(B) inductively linked. Thermal overload 50/27. Vintage Variac Type 200B Variable Autotransformer 115V 50-60CPS 1A Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name. It's an autotransformer designed for 50 Ohms on one end and taps from 5. Aprobación sujeta a análisis de Riesgo por Tuya S. Due to the long lead time for repair of and replacement of transformers, a major goal of transformer protection is limiting the damage to a faulted transformer. 38% from full-load to light-load (20% of full-load), but even with this configuration, the THD of ac mains current at light load is 6. Autotransformer Theory In an auto transformer, one single winding is used as primary winding as well as secondary winding. This is a unun ( unbalanced to unbalanced ) transmission line transformer designed to match 2450Ω to 50Ω. Order today, ships today. Quizlet Learn. A 5 kva autotransformer which bucks 10% will be able to buck 5 kva/0. Brand: Autotransformer Model: Unknown 1000 Watts M. 1 Product Overview and Scope of Auto-transformers 1. You will oft. 24 Volt C-wire Power Adapter/transformer Ecobee Nest Honeywell 2day Ship. Installation of 220/110 kV 63 MVA autotransformer and arrangement of 110 kV bays in Lajanuri HPP; Construction of new 220/110 kV 250 MVA substation Lajanuri; Construction of 220 kV OHL SS Lajanuri-Lajanuri HPP, length 1 km; Construction of 2-circuit 220 kV OHL Oni-Lajanuri, length 55 km; Construction of 500 kV OHL Lajanuri-Tskaltubo, length 49 km;. High current supervision 50/51N. Large Power Transformers within the SGB-SMIT Group are manufactured in Nijmegen, the Netherlands. Although nominally rated at 100 watts, the AT100 is capable of op-eration at peak levels with low distortion far in excess of 100 watts due to its massive core and hefty construction. 500VA Auto Transformers at element14. B&K PRECISION 1604A Isolation Transformer, 5 out of 5 stars. Autotransformers are available at Mouser Electronics. After performing a repair on a piece of electronic equipment, it is best to slowly power up the device to avoid burning up the replaced parts. Design-build Contract for Sampson Substation Autotransformer No. Auto Transformer, Class I, 115 VAC, 200 VA, 1. Same popular "Low-Profile" shape with overall dimensions 7. The motor is supplied directly from the three-phase network. More than 550,000 products for professionals. Sekundary: alternatively a voltage between 5V – 750V: Auto. Order Now! Transformers ship same day. Wiring diagram Technical specifications 2/12/2014 2:04:49 PM. autotransformers, or LED drivers, the calculated load shall be based on the total ampere ratings of such units and not on the total watts of the lamps. Here, a mid-tapped auto-transformer or reactor is used. Phase directional 81. Example: 1 phase autotransformer / Input voltage 440 V / Output voltage 400 V / „Rated power“ needed for application 5 kVA. e 55 km from the generator station, the problem is that this system has refused to work, it trips after every 3 hours, What could be the problem with this arrangement,The voltage is too high at the receiving going upto 255V for single phase, attempts to transpose the line has. The OutBack PSX-240 (6kVA) auto-transformer can be used for step-up, step-down, generator and split-phase output balancing or as a series stacked inverter to load balancing auto-former. 10, or 50 kva maximum. Fully UL Listed for Canada and the U. A variety of configurations, case types & output watts are available. An autotransformer is an electrical transformer with only one winding. PHILIPS ADVANCE CW Auto Transformer Ballast 1000 W 71A8743 Brand: Philips ADVANCE MPN: 71A8793 Model: 71A8793 Wattage:1000 PLEASE contact us via eBay messages prior to resorting to leaving negative feedback. Start by wrapping the wire around the toroid. Identical equation works with 3 phase transformers. WCML, ECML, WAML, GE & LTS are all Return Conductor (RC) with no Earth Wire. 1-16 of 76 results for "variac transformer" $49. Review 5565 TACIMA SC Watt Autotransformer Step Converter 2000 Bought it when I lived in Italy so I could plug in American electronics but I never used it. when the motor start the auto transformer automatically adjust the taping points to. 2, applies to all liquid-filled transformers, autotransformers, booster transformers, load-tap-changing transformers, grounding transformers, phase-shifting transformers, series-voltage regulators, and shunt reactors. Use an ohmmeter to make a "map" of all the windings. Sekundary: alternatively a voltage between 5V – 750V: Auto transformer, three phase: DLsp: 0,3 kVA – 12,5 kVA: Primary: alternatively a voltage between 100V bis 750V. Right auto transformer. Circuit breaker failure 67P. Mouser offers inventory, pricing, & datasheets for Autotransformers. But in two windings transformer two different…. Taps on the windings of an autotransformer may be used to select. The transformers are provided with either ventilated or non-ventilated enclosures and are rated for a primary or secondary voltage from 601 to 35000 V. Compared with the ordinary transformer, the autotransformer of the same capacity is not only smaller in size but also more efficient, especially when the ratio of variation is close to 1, it is especially economical. 2 Auto-transformers Segment by Type 1. The winding has at least 3 taps where electrical connections are made. For voltage ratios not exceeding about 3:1, auto transformer is cheaper, lighter, smaller and more efficient than a true (two-winding) transformer of the same rating. 5 amps, 195v at 0. Steam featured items sales page. The " auto " (Greek for "self") prefix refers to the single coil acting alone, not to any kind of automatic mechanism. 1 Phase Buck & Boost Step-Down Transformer - 277V Primary - 240V Secondary - 12. This post details my construction of the end-fed half-wave autotransformer and antenna for the 10m, 20m and 40m bands. Introduction. Phase directional 81. Start by wrapping the wire around the toroid. 49 #8 In reply to #7. The auto-transformer can be mounted horizontally using a steel washer or our Poly-Mount, a plastic insert, or an epoxy potted center with a 1/4" mounting hole. WideLite 1000-FS-480-TDB Autotransformer Lamp: 1000W Lamp Type: S-52 480V 60Hz £184. In this method, the starting current is limited by using a three-phase auto transformer to reduce the initial stator applied voltage. 138 kV Grd. Re: Auto transformer Vs Star Delta 04/28/2010 1:18 PM I would only take issue with the use of "smooth" as a descriptor for RVAT (Reduced Voltage Auto Transformer) starting. So, if you connect a length of wire that presents an impedance of about 450 Ω to the input, you’ll get an impedance of about 50 Ω on the output. 424896 Std Dev: 0. Philips Advance 199687 - 71A9843-600 - Step-down Transformer / Auto-Transformer - 347V/480V Input Volts to 190V/270V Output Volts 71A9843-600 Specification Sheet 71A9843-600 Product Leaflet AUTO-TRANSFOR. The autotransformer is no longer required and is de-energized by opening switch 1. 6 A, Block AIM Series + Check Stock & Lead Times 2 available for 4 - 6 business days delivery: (UK stock) Order before 18:30 Mon-Fri (excluding National Holidays). Autotransformers have the benefit of being small, light and cheap compared to dual-winding transformers. when the motor start the auto transformer automatically adjust the taping points to. Industrial Buck-Boost Transformers at Automation Direct. An autotransformer uses common winding and offers no interference or disturbance isolation. Shop brands like Atlas Sound, Quam, Bogen & more. This lesson deals the different realization of Auto transformers from two windings transformer. The ratio of impedance is proportional to turns squared so 1/0. Volume 12—Aftermarket, Renewal Parts and Life Extension Solutions CA08100014E—October 2016 www. In an autotransformer portions of the same winding act as both the primary and secondary. 11/12/2015 NFPA 70: National Electrical Code (NEC), 2014 ­ MADCAD. 1) Effect of higher PA voltages. An autotransformer, also known as a step-down transformer, is an electrical transformer with only one winding. Therefore, the portion of the winding which carries the difference between the two currents. simulate this circuit – Schematic created using CircuitLab. Start studying Transformers. The motor is supplied directly from the three-phase network. 707 squared = 2. 53 428 to 440 1. A variety of configurations, case types & output watts are available. 4 Internal fault L1-L2 on 34,5 kV side (outside the delta connection). It will take U. Autotransformer Calorimeter # 1 427 to 438 1. Design-build Contract for Sampson Substation Autotransformer No. Parfitt’s expired 1980 Patent #4238799 on end feeding a “thru-the-glass” 1/2 wave mobile antenna. 5x12: 5: Single-phase autotransformer: 4: About 9. Veľkosť robota cca 29 cm. Hence it is confusing for it to be called a transformer. 1 This Standard, except as noted in Clause 1. Media in category "Variable autotransformers" The following 28 files are in this category, out of 28 total. In an autotransformer portions of the same winding act as both the primary and secondary. Total Ratings 12, 100% agree - Would recommend. Mouser Part No 530-1100-0F. 38%, which is also not within IEEE Standard 519 limits. Find ABB, Marini, and AEC for sale on Machinio. The autotransformer can be used to. If it's an autoformer, then there is only one winding---no primary and secondary. 232 17:50, 18 February 2009 (UTC) Er, don't think so. Sekundary: alternatively a voltage between 5V – 750V: Auto transformer, three phase: DLsp: 0,3 kVA – 12,5 kVA: Primary: alternatively a voltage between 100V bis 750V. 49 - Factory Stock Available: 10 $810. Product Description. About Chassis Mount Transformers. Y w/LTC Sold to: Center Point Utility. I bought a Class C on a consignment from camping world and it came with a 50 amp autotransformer. kr 1 831,49. 2%), polygon (B) autotransformer (49. Five secondaries 390v C. Experienced supplier Global Shipping Business ordering with a PayPal or CreditCard. 53 430 to 439 1. 50 cr123c196a 6 14. Shop brands like Atlas Sound, Quam, Bogen & more. This is done using a 49:1 autotransformer, built on a small toroid. Order Now! Transformers ship same day. 2 These requirements do not cover liquid-immersed transformers, variable voltage autotransformers, transformers having a nominal primary rating of more than 600 volts, transformers having overvoltage taps rated over 660 volts, cord and plug connected transformers, garden light transformers, voltage regulators, swimming pool and spa. THIS TITLE. Under / over frequency 86. Sir - The article on catenary upgrading on the West Coast Main Line (RG 11. com tells you more about people, businesses & places in the UK than any other directory. Mouser Part No 530-1100-0F. DU-1/4: Signal Transformer: Autotransformer (Non-Isolated) 115V, 230V 115V, 230V 01:14:49 5/4/2020. IEC 61558-2-13:2009 deals with the safety of auto transformers for general applications and power supply units incorporating auto transformers for general applications. Your source for power transformers, auto-transformers, isolation transformers & more at discount prices. This may make it unsafe or illegal in some applications. City of Jacksonville Beach, Beaches Energy Services Invitation to Bid#: 1819-01 Date: 10/12/18 230/138 kV, 150/200/250 MVA, Autotransformer Page 5 of 51. Make sure the first wire is wrapped evenly around the whole toroid. The ratio of impedance is proportional to turns squared so 1/0. 5kva 220V Variac Autotransformer Voltage Regulator Powerstat APS-500W YAMABISHI -- 3 phase VARIAC -- VOLT SLIDER 0. The current in the high-voltage circuit flows through the series and common winding. This means I can operate the u. This lesson deals the different realization of Auto transformers from two windings transformer. In-stock Attenuators & Auto-Transformers at Parts Express perfect for Commercial Speaker Installation needs. The integrated overload protection ANSI 49 is adapted to the load and protects the transformer from overheating and premature aging. 9%), T (A) autotransformer (36. The autotransformer is used to produce two sets of three-phase voltages with 30 o phase-shift. Review 5565 TACIMA SC Watt Autotransformer Step Converter 2000 Bought it when I lived in Italy so I could plug in American electronics but I never used it. Autotransformers have the benefit of being small, light and cheap compared to dual-winding transformers. 11/12/2015 NFPA 70: National Electrical Code (NEC), 2014 ­ MADCAD. Below are Total 1541 words made out of this word. Discover over 8478 of our best selection of Autotransformer on AliExpress. This review is about item#08523015. An inductive coil can act itself as an inductive load which leads to the lagging power factor on the secondary and reduces the efficiency. 0a Tramag Autotransformer 300w (40% similar) Tramag transformer 1600va autotransformer 300w 0a 300va t6. REFERENCES [1]. Right auto transformer. 37 GROUP I SINGLE PHASE Line Voltage (Available) Load Voltage (Output) CAT. 11/12/2015 NFPA 70: National Electrical Code (NEC), 2014 ­ MADCAD. 707 squared = 2. Autotransformer is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. The autotransformer is a power transformer in which one winding, known as the common or parallel winding, is shared between the high voltage (HV) and the low voltage (LV) circuit. An autotransformer, also known as a step-down transformer, is an electrical transformer with only one winding. The transformers without galvanic isolation also feature inverse operation. 9%), T (A) autotransformer (36. 95 years of experience in electronics, information technology, mea. Ground Wire Terminal Lugs. Mouser Part No 530-112-0F. The current in the high-voltage circuit flows through the series and common winding. 58 kVA (may also be expressed as 9,580 VA). 49 - Factory Stock Available: 10 $810. Make sure the first wire is wrapped evenly around the whole toroid. 2 (Part -1) Auto Transformers (in Hindi) 13:49 mins. Auto Transformer, Class II, 240 VAC, 390 VA, 1. Sometime in the mid-1960s Railway Gazette published an article, based on Japanese sources, reporting on the development of a 'new'. EEVblog Electronics Community Forum. 1 phase pre-circuit transformer according to IEC/EN61558-2-13 (autotransformer) for general applications without the need of a galvanic isolation, e. Power Transformer Manufacturer, Export and Supplier in Coimbatore, India. Single and three phase auto transformers are offered. For safety reasons, the auto-transformer should be used in conjunction with a 1:1 isolation transformer. Same popular "Low-Profile" shape with overall dimensions 7. Since the volts-per-turn is the same in both windings, each develops a voltage in proportion to its number of turns. This is the rating to be used for determining the full load input amps and the. An autotransformer, also known as a step-down transformer, is an electrical transformer with only one winding. Standard switching matrix: Yan0 (typical star load approx. (Hindi) Part -3 Crash Course on Transformer: GATE 6 lessons • 1 h 16 m. TENMA 72-110 Variable Auto Transformer Output 0-130V, 10 Amps VTG Rare Heavy. 1 Site Search - Quick Index | 2 The Realities of Purchasing On-Line | 3 Why Do Business With Us? | 4 Distributor of IOTA Engineering, Quick Cable and Thin-Lite products | 5 Photovoltaics,Batteries, Cable and Wire | 6 Lumen Outputs of Compact Fluorescent and Incandescent Lights | 7 48 volt D. (Image credit: Steve Leibson) As a hobby project, this weeks-long effort provided ample diversion. katayamarie50p. 889641 1655. The autotransformer is a power transformer in which one winding, known as the common or parallel winding, is shared between the high voltage (HV) and the low voltage (LV) circuit. 60 Hz includes two pole 25 amp OBAC breakerThe OutBack X-240 auto-transformer is used for step-up, step-down or for generator and split phase output balancing applications. The auto transformer voltage taps provide a choice of three or four different starting current and torques, depending on the load requirements. 9 : 1 UNUN Matching Transformer. It is used. I have found 1:1 and 4:1 balluns wound on ferite rod however nobody seem to be making these 49:1 autotransformers on ferite rod. Total Ratings 21, 100% agree - Would recommend. An autotransformer is an electrical transformer with only one winding. 57%)-based 30-pulse AC-DC converters, the total ratings of magnetics of. Aprobación sujeta a análisis de Riesgo por Tuya S. An autotransformer, also known as a step-down transformer, is an electrical transformer with only one winding. Warner Electric engineers utilize the latest materials and manufacturing technologies to design long life, easy-to-use clutches and brakes that provide improved accuracy and repeatability. Windings are inserted into Teflon tubes increasing total breakdown to 10,000 volts. Buy RS PRO 1kVA Enclosed Autotransformer, 220 V ac, 230 V ac, 240 V ac Primary, 115V ac Secondary or other Autotransformers online from RS for next day delivery on your order plus great service and a great price from the largest electronics components. Identical equation works with 3 phase transformers. 52 Keysight AC 6802A Power Controller Calorimeter # 1 426 to 440 1. What is an Autotransformer? A couple people here on the JOF have mentioned Autotransformers for their shore power. Conrad - your technology specialist. 1 phase pre-circuit transformer according to IEC/EN61558-2-13 (autotransformer) for general applications without the need of a galvanic isolation, e. 5 out of 5 stars, based on 2 reviews 2 ratings Current Price $17. Autotransformer is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. Order today, ships today. Transformers - Isolation Transformers and Autotransformers, Step Up, Step Down are in stock at DigiKey. The winding has at least 3 taps where electrical connections are made. Includes: Foot and Single Threaded Hub Mount. Model 49131 - 49:1 80-10m EFHW - Up to 1kW. e, saving will be about 83%. A universal isolation or autotransformer or voltage control model is available with up to a 4,000 output watts rating when operated as an autotransformer. cfm?fa=Main. Auto Transformer, Class II, 240 VAC, 390 VA, 1. 1: Starter Characteristics Characteristic Full Voltage Autotransformer Class 8606 Wye-Delta Class 8630 Part Winding Class 8640 Solid State ATS46 Voltage at Motor 100% 50% / 65% / 80% (tap setting) 100% 100% Ramped Up. Universal M1000MLTAC5M Autotransformer CWA Metal Halide Ballast. Freedom Unitrol 49 Type 11-300 12 Neco Hammond B52911-026-60 1000HP 4160V 767 LRA Motor Starting Auto Transformer (PM2196-1) Neco Hammond $3,175. 2 Starter Type (MCU1. Pricing and Availability on millions of electronic components from Digi-Key Electronics. So, with a 1:7 or 1:8 voltage transformation ratio ( = ratio of the number of turns), an impedance transformation ratio of 1:7 2 = 1:49, or 1:8 2 = 1:64, is obtained. It has a constant impedance transformation ratio of 49:1 from 3. 1"DIA x 3"H, 14 lbs. City of Jacksonville Beach, Beaches Energy Services Invitation to Bid#: 1819-01 Date: 10/12/18 230/138 kV, 150/200/250 MVA, Autotransformer Page 5 of 51. At MACOM we offer multiple industry standard transformers used in wireless, aerospace and defense and communications applications. Matthew McCarty LaBella Associates, D. All conductors shall be copper and no larger than 500 kcmil. It will take U. Due to the long lead time for repair of and replacement of transformers, a major goal of transformer protection is limiting the damage to a faulted transformer. Block Autotransformer, , kapslet, Primær: 115 V ac, 230 V ac, Sekundær: 115 V ac, 220 V ac, 230 V ac, 240 V ac RS-varenummer 293-2656 Producentens varenummer AIM 1. 707 squared = 2. Total Ratings 12, 100% agree - Would recommend. 5 (Part -2) MCQs on Auto Transformers. Product Description. : 2) At the same time, the 1:1 current balun shown above doesn't quite balance the line. Incorporating a transformer with 120V / 30A primary and secondary side, a temperature activated cooling fan and a 25 amp dual pole breaker in a steel enclosure. Y to 69 kV Grd. 5MHz to 50MHz. 13 69 W SCD 14 9 Y009QTCF3L0U NQT4 15. Perris, California 92571. Available in a variety of surface mount, flat pack, and connectorized packages, our transformers and baluns are available in balanced and unbalanced versions and are characterized as 50 and 75 ohm impedance devices. Mouser Part No 530-1100-0F. 37 GROUP I SINGLE PHASE Line Voltage (Available) Load Voltage (Output) CAT. 424896 Std Dev: 0. amateurs) it uses an FT240-43 as an autotransformer with two bifilar turns followed by 14 turns of the "secondary" to give an impedance step-down of 7 squared or 49:1. 3050-5110 Technipower. An autotransformer is an electrical transformer with only one winding. include a power cord whit europe plug + adapter plug yo. My rv is 30 amps. Phase shifter is used for regulating power flow through a line element or occasionally through a set of lines and also in the area interchange control. So basically it’s a one winding transformer. Perris, California 92571. Experienced supplier Global Shipping Business ordering with a PayPal or CreditCard. Stay Connected! INFORMATION About Digi-Key Careers Site Map API Solutions Newsroom. One of the major difference between them is that the autotransformer has only one winding whereas the conventional transformer has two separate windings. 35amps -- 0. An autotransformer is a kind of electrical transformer where primary and secondary shares same common single winding. Get it as soon as Fri, May 15. 0 cr123f327b 100 64. 74 A + Check Stock & Lead Times 17 available for 4 - 5 business days delivery: (UK stock) Order before 23:35 Mon-Fri (excluding National Holidays). Bel Signal Transformer: Autotransformers Step Down Auto. Unfortunately, a closed form formula is not known to exist, since a closed form formula would imply. Pricing and Availability on millions of electronic components from Digi-Key Electronics. 15 and overall efficiency of 92%, their loaded power consumption is: 100 hp * 1. The autotransformer is a power transformer in which one winding, known as the common or parallel winding, is shared between the high voltage (HV) and the low voltage (LV) circuit. Title 46— Shipping is composed of nine volumes. Enter the motor sizes in the order that they will be started and select “Staggered start = Yes” below. Three-phase open-type variable autotransformer (variac). Rex 45 kVA 600Y - 440Y R45JH/SF 3 Phase Dry Type Auto Transformer 45kVA 600 440 (PM1924-1). 52 Calorimeter # 2 426 to 438 1. A (SEE FOOTNOTE) 95 114 0. Original: PDF. Order Now! Transformers ship same day. Used in voltage step down or step up applications. (b) Purposes The purposes of this Act are— (1) to reduce the growth of energy use in the United States significantly, with cumulative energy savings through 2025 of 50,000,000,000,000,000 to 80,000,000,000,000,000 Btus; and (2) to limit the impacts of growing energy use on the economy, environment, and national security of the United States. Autotransformer is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. 0a300 watts 50 60hz converts 220v to 110v european male plug to american. I will pack and ship your item the best I can to assure safe delivery and will insure for at least the value of the item. To get turns ratio, energize one winding from a variac, while monitoring the voltage on the others. 2 mm: Autotransformers Step Down Auto Transformer Enlarge Mfr. One of the major difference between them is that the autotransformer has only one winding whereas the conventional transformer has two separate windings. In fact Kirchoff's current law says the 1:1 voltage balun shown above (unreferenced to ground) does just that but it is still a voltage balun. Autotransformers feature lower losses compared with isolating transformers with the same power rating. A179-152P -110-127-225-235 480 106x153x98 4,1 4-058-144152 Encapsulated autotransformer, IP44 Autotransformers www. Mouser offers inventory, pricing, & datasheets for Autotransformers. manufacturers and suppliers of auto transformer from around the world. Find your auto-transformer easily amongst the 71 products from the leading brands (RS Components, Kjellberg, CG, ) on DirectIndustry, the industry specialist for your professional purchases. MCI Transformer Corporation specializes in magnetic component manufacturing of catalog and custom transformers. (800) 338-0531. China Autotransformer Manufacture, China Autotransformer Manufacture Suppliers and Manufacturers Directory - Source a Large Selection of Autotransformer Manufacture Products at car battery manufacturers in usa ,grocery bag manufacturer ,rock stone manufactures from China Alibaba. The current in the high-voltage circuit flows through the series and common winding. Block Autotransformer, , kapslet, Primær: 115 V ac, 230 V ac, Sekundær: 115 V ac, 220 V ac, 230 V ac, 240 V ac RS-varenummer 293-2656 Producentens varenummer AIM 1. 37/49/62/70 MVA Power Transformers. 732 times so starting current also reduced. Description: ). 125829143 35. MCI Transformer Corporation specializes in magnetic component manufacturing of catalog and custom transformers. We offer The Following Products • Chokes • Auto Transformers • Power Transformers • Voltage Transformers • Furnace Transformers • Rectifier Transformers • Dry-Type Transformers (Single Phase and Three Phase) • Air-Cooled Transformers • Oil-Cooled Transformers • Constant Voltage Transformers. Mouser offers inventory, pricing, & datasheets for Autotransformers. An autotransformer uses common winding and offers no interference or disturbance isolation. The autotransformer is scheduled to resume its journey around 9 a. This can be a very complicated subject,as there are many possible. for transforming typical mains voltage to other voltages needed by tools, machinery or other devices. Commandez des Block 3. And K= √- (L L / L O). 866 for PST operating mode After multiplication with 3 and division of the equations (5) and (6) the following equation is obtained:. Mouser Part No 530-1100-0F. Order Now! Transformers ship same day. 52 429 to 440 1. FREE Shipping by Amazon. The winding has at least 3 taps where electrical connections are made. In comparison with the total magnetics ratings of conventional polygon (A) autotransformer-based 30-pulse (38%) and star autotransformer (58. MCI Transformer Corporation specializes in magnetic component manufacturing of catalog and custom transformers. Fully UL Listed for Canada and the U. The autotransformer is a power transformer in which one winding, known as the common or parallel winding, is shared between the high voltage (HV) and the low voltage (LV) circuit. I bought a Class C on a consignment from camping world and it came with a 50 amp autotransformer. Check our stock now!. Same popular "Low-Profile" shape with overall dimensions 7. In an autotransformer portions of the same winding act as both the primary and secondary. Autotransformers feature lower losses compared with isolating transformers with the same power rating. This fact, means that only the transitions in your square wave actually carry any power, so you're losing much of the power due to DC blocking. Autotransformer is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. because primary and secondary winding in auto transformer is not separated. One end, say a of this transformer is connected to a series of switches across the odd tappings and the other end b is connected to switches across even tappings. Available in power ratings ranging from 1 VA to 75 kVA. Mouser offers inventory, pricing, & datasheets for Autotransformers. OutBack FWX-240, 4 kVA 120/240 Auto Transformer. It has just arrived here from an army deployment in the middle east. Sekundary: alternatively a voltage between 5V – 750V: Auto. 07 to EUR 252. 53 430 to 439 1. Y to 69 kV Grd. Application RET670 provides fast and selective protection, monitoring and control for two- and three-winding transformers, autotransformers, step-up transformers and generator-transformer block units, phase shifting transformers, special railway transformers and shunt reactors. These two windings are magnetically coupled and electrically isolated. because primary and secondary winding in auto transformer is not separated. 35 cr123c184a 3 11. Compare the appearance of the modified Philmore autotransformer with the stock image on the box in Figure 1 to see the external modifications I made. Auto Transformer for End Fed Half Waves; Auto Transformer for End Fed Half Waves. If you want to buy cheap auto transformer, choose auto transformer from banggood. 75 kva Your two idlers require at least 10 kva for a 10% buck mode autotransformer. Vo viacerých farebných prevedeniach. Fully UL Listed for Canada and the U. Click To View Details. Therefore, the portion of the winding which carries the difference between the two currents. 438 e AL Bus Bar. *TH = Autotransformers Height Alone Termination Type Table Type Material Thick (in) Width (in) Dia (in) a AL Bus Bar. manufacturers and suppliers of auto transformer from around the world. An autotransformer uses common winding and offers no interference or disturbance isolation. Auto transformer Controller INLET 60 58 50 49 39 36 30 25 28 OUTLET 59 61 52 49 42 37 34 27 30 BREAKOUT 20 Step 1 Auto transformer Controller INLET 53 51 43 42 31 28 22 17 21 OUTLET 52 54 45 42 34 30 27 19 22 BREAKOUT 13 NOTE: Performance & sound levels on Steps 4 to 1, can only be achieved when wired to a 5-Step Auto Transformer speed controller. One of the major difference between them is that the autotransformer has only one winding whereas the conventional transformer has two separate windings. Quizlet Live. Container Refrigeration T−340PL Rev G SERVICE PARTS LIST for 69NT40−561−001 to 199 Container Refrigeration Units 8 9 4 6 7 5 3 10 11 12 1 17 16 15 14 8 7 6 5 9 10. PDF | On Mar 1, 2014, Dalibor Filipović-Grčić and others published Modeling of three-phase autotransformer for short-circuit studies | Find, read and cite all the research you need on ResearchGate. I looked up the autotransformer from hughes and it's $500 so i figure i should use. 3) PA efficiency measurement comparisons between standard U3S, bifilar and trifilar transformer output cases. Stacked cores with winding configured as 49:1 auto transformer Downward impedance transformation by factor of 49. 13 49 W SCD 14 6 Y006QTCB3L0U NQT3 12. 8 kV Y w/LTC. Large Power Transformers within the SGB-SMIT Group are manufactured in Nijmegen, the Netherlands. 31 Oct 2018 at 20:49 #1 R. Quick view Choose Options. The BK Precision 1655A Analog Isolated Autotransformer, 150V/3A is a variable isolated AC power supply that is great for testing AC line voltage variations or any given product requiring AC power. Autotransformer is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. 7 3 Starter configuration. The current in the high-voltage circuit flows through the series and common winding. e, saving will be about 83%. 732 times so starting current also reduced. 8 or other Autotransformers online from RS for next day delivery on your order plus great service and a great price from the largest electronics components. Autotransformer TUA 1 / Autotransformer TUA 2 is designed and tested in accordance with the international and European standards IEC/EN 60974--1 and EN 60974--10. Main function 1 differential protection function (standard or auto transformer) with additional stabilization; up to 2 restrict-ed ground-fault protection functions Usable measuring points 2 x 3-phase current measuring points, 2 x 1-phase current measuring points Inputs and outputs 1 predefined standard variant with. 9 cr123c151b 45 27. This is a unun (unbalanced to unbalanced) transmission line transformer designed to match 2450Ω to 50Ω. A 9:1 unun is a transformer that reduces the impedance at the input by a factor of 9. When this 1 kVA unit is connected as an autotransformer for this voltage combination, its kVA rating is increased to 9. A 2 KVA Variac also known as an Auto Transformer is designed for Industrial/ Laboratory use. Autotransformer for Lighting Ballasts KEY FEATURES Step-down 480 VAC, 60 Hz. In-stock Attenuators & Auto-Transformers at Parts Express perfect for Commercial Speaker Installation needs. Main function 1 differential protection function (standard or auto transformer) with additional stabilization; up to 2 restrict-ed ground-fault protection functions Usable measuring points 2 x 3-phase current measuring points, 2 x 1-phase current measuring points Inputs and outputs 1 predefined standard variant with. Search for used autotransformers. Shop brands like Atlas Sound, Quam, Bogen & more. In contrast, an ordinary transformer has separate primary and secondary. Mouser Part No 530-1100-0F. Autotransformers are used to step up or step down voltages. Quick view Choose Options. when the motor start the auto transformer automatically adjust the taping points to. Side 2 is the second of the autotransformer. Mouser Part # 530-1100-0F. Additional Information Variac Adjustable Autotransformers New Old Stock M Series 400Hz In Box with Original Instructions The variac autotransformer is an efficient, trouble free device for controlling ac voltage and any other quan tities that derive from ac voltage: heat output, light in tensity, motor speed, and the outputs of various power supplies. 2, applies to all liquid-filled transformers, autotransformers, booster transformers, load-tap-changing transformers, grounding transformers, phase-shifting transformers, series-voltage regulators, and shunt reactors. 5K: 1PC: 1: SO21-1500: 08523085: 199. Unit is a direct coupled food grade stainless steel centrifugal pump driven by a 15kw @ 2900 rpm, 415V electric motor. A very nice feature is the non-isolating common point to help make the coax part of the counterpoise. Same popular "Low-Profile" shape with overall dimensions 7. 6 A, Block AIM Series + Check Stock & Lead Times 2 available for 3 - 4 business days delivery: (UK stock) Order before 19:35 Mon-Fri (excluding National Holidays). Suited for IP66 applications. I transform 3-phase 220 volts to 100 volts and use it. Y to 69 kV Grd. The BK Precision 1655A Analog Isolated Autotransformer, 150V/3A is a variable isolated AC power supply that is great for testing AC line voltage variations or any given product requiring AC power. Buy Block Enclosed Autotransformer, 115 V ac, 230 V ac Primary, 115 V ac, 220 V ac, 230 V ac, 240 V ac Secondary AIM 1. This may make it unsafe or illegal in some applications. By leaving the neutral of the split phase supply unused, and connecting an autotransformer to create a new neutral, as shown in figure 1, any load unbalance is “absorbed” by the autotransformer. Description Acme Auto Transformer. Tortran vacuum tube amplifier transformer. 138 kV Grd. 1 - User Manual. Check out more Autotransformer items in Home Improvement, Consumer Electronics, Tools! And don't miss out on limited deals on Autotransformer!. Founded in 1927, Warner Electric has grown to become a global leader in the development of innovative electromagnetic clutch & brake solutions. Order today, ships today. Same popular "Low-Profile" shape with overall dimensions 7. The winding has at least 3 taps where electrical connections are made. A179-152P -110-127-225-235 480 106x153x98 4,1 4-058-144152 Encapsulated autotransformer, IP44 Autotransformers www. Phase shifter is used for regulating power flow through a line element or occasionally through a set of lines and also in the area interchange control. The exploitation of high electrical power transformers and autotransformers. This transforms 50 ↔ 2450 and 50 ↔ 3200, respectively. Used in voltage step down or step up applications. 138 kV ∆ to 13. Linslade is known as Leighton Buzzard Auto-Transformer. 62 west to Arkansas 59 at Summers, then north to Arkansas 244 and east to the. Bifilar modification by Kelly Keeton. A 5 kva autotransformer which bucks 10% will be able to buck 5 kva/0. Autotransformers are available at Mouser Electronics. Same popular "Low-Profile" shape with overall dimensions 7. Vintage Variac Type 200B Variable Autotransformer 115V 50-60CPS 1A Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name. Transformers and auto-transformers, over 1 kVA Taiwan +886 2 2225 49 82. 49 Calorimeter # 2 428 to 440 1. Note: An auto-transformer does not provide isolation from the ac line. 3 cr123c163b 50 30. A point forecast is unavailable for the requested location : National Weather Service, NOAA 1325 East-West Highway Silver Spring, MD 20910. Also see peak and peak-to-peak. AutotransformerAutotransformer Presented By: DUSHAMANTA SAHU 2. Mouser Part No 530-1100-0F. Buy CyberPower Intelligent LCD CP1500AVRLCD Uninterrupted Power Supply featuring Output: 900 Watts / 1500 VA, Input: 120V, 6 x Battery & Surge Protected Outlets, 6 x Surge Protected Outlets, Recharge Time: 8 Hours, Line-Interactive Topology, AVR and GreenPower UPS, Integrated Multi-Function LCD Display, RJ11 / RJ45 and Coax Protection, USB & Serial Ports, EMI/RFI Filters. manufacturers and suppliers of auto transformer from around the world. The autotransformer is a power transformer in which one winding, known as the common or parallel winding, is shared between the high voltage (HV) and the low voltage (LV) circuit. Regarding input/ output "upper" or „lower voltage" is independant, voltage related only for 3 phase autotransformers value of phase voltage is important. 110: 92: 76: 6. But the transformer in which a part of windings is common to both primary and secondary is called Auto Transformer. 2019-08-09 N’Ostalgiemuseum Leipzig 73. 46° 6 26 18 32 32 32 32 −0. Y to 69 kV Grd. And at higher frequencies the gain lobes become skinny so the odds of one. T30e Tramag 1600 Watt Autotransformer Military Deployment Electricity (49% similar) This auction is for a used and in working order Tramag t30e 1600 watt autotransformer. Volume 12—Aftermarket, Renewal Parts and Life Extension Solutions CA08100014E—October 2016 www. Flashcards. 9%), T (A) autotransformer (36. An autotransformer, also known as a step-down transformer, is an electrical transformer with only one winding. TABLE 1 Possible Turns for Auto-transformer and Resulting Characteristics Amplitude Phase deviation angle N1 N2 N3 N4 N5 N6 N7 from deviation turns turns turns turns turns turns turns ideal. Autotransformer is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. 08 220 242 0. This lesson deals the different realization of Auto transformers from two windings transformer. and Canadian manufacturers and brands listed below are published service data from vintage sources*. Although nominally rated at 100 watts, the AT100 is capable of op-eration at peak levels with low distortion far in excess of 100 watts due to its massive core and hefty construction. 2 Auto-transformers Segment by Type 1. They are mainly used to switch motors ON/OFF manually and to provide fuseless protection against short-circuit, overload and phase failures. And K= √- (L L / L O). 889641 1655. Rotation of the brush arm by either manual or motor drive, delivers an output voltage from zero or above line voltage. e 55 km from the generator station, the problem is that this system has refused to work, it trips after every 3 hours, What could be the problem with this arrangement,The voltage is too high at the receiving going upto 255V for single phase, attempts to transpose the line has. Track Page Views WithAuctiva's FREE Counter 312837968939. My rv is 30 amps. In an autotransformer portions of the same winding act as both the primary and secondary. 3V 4-SMD, No Lead from Abracon LLC. 690418794 49. Autotransformers are available at Mouser Electronics. I'm needing an Auto-Transformer to go between a single 120V Sunny Island 6048 and a 220V Sunny Boy 6000US. A universal isolation or autotransformer or voltage control model is available with up to a 4,000 output watts rating when operated as an autotransformer. Note: An auto-transformer does not provide isolation from the ac line. Autotransformer is an electrical transformer in which there is one winding, a portion of which is common to both the primary and the secondary circuits. HELP Help and Support Order. In ordinary double wound power transformers, the primary and secondary are isolated and all the power is transferred by induction. 62569 Mean: 1. Start by wrapping the wire around the toroid. + 49 9421-706 0 Fax: + 49 9421-706 265 Other Internatonal locations. In case of a 30A supply, the load can be increased to 7,2kVA, and a 20A load unbalance. 5 cr123f357b 110 68. Product Title Transformers Studio Series 52 Deluxe Arcee Chromia Elita-1 3-Pack Average rating: 3. A single winding can be act as a primary winding and the secondary winding. 24 Volt C-wire Power Adapter/transformer Ecobee Nest Honeywell 2day Ship. A point forecast is unavailable for the requested location : National Weather Service, NOAA 1325 East-West Highway Silver Spring, MD 20910. Normally a 2:1 / 1:2 autotransformer has two windings of equal resistance with one terminal commoned, so taking the three terminals in pairs, you get two pairs with resistance X between them and one pair with 2X. Transformers incorporating electronic circuits are also covered by this standard. In comparison with the total magnetics ratings of conventional polygon (A) autotransformer-based 30-pulse (38%) and star autotransformer (58. I have a 500kVA generator supplying 33kV line with a distance of 55km, The line has 7 transformers at the receiving i. The autotransformer is a power transformer in which one winding, known as the common or parallel winding, is shared between the high voltage (HV) and the low voltage (LV) circuit. Aprobación sujeta a análisis de Riesgo por Tuya S. Order Now! Transformers ship same day. Sometime in the mid-1960s Railway Gazette published an article, based on Japanese sources, reporting on the development of a 'new'. Make sure the first wire is wrapped evenly around the whole toroid. The critical element in the design is to obtain the highest current transfer ratio between the primary to secondary l 1 / l 2. 20 turns for the high impedance and 5 turns for the low impedance works well and maintains the desired 4:1 ratio. Under / over frequency 86. Diaľkový ovládač s frekvenciu 2,4 GHz. 3 b =ej00 =1+j ∗0 for Autotransformer operating mode b =ej1200 =−0. It is a very simple antenna that is easy to use. Bel Signal Transformer: Autotransformers Step Down Auto Transformer Autotransformers Step Down Auto Transformer Enlarge Mfr. Generally winding of an autotransformer is an inductive coil. isolation transformer 04-12-2016, 01:49 PM The nice thing about an autotransformer, if you have any leaking to ground this can be detected by a GFCI breaker in your main panel. Case ground, system neutral and ground rods (or wire) must be bonded together. 4%), T (B) autotransformer (52. Use an ohmmeter to make a "map" of all the windings. LCA50S-12 – AC DC Converters Output Input from Cosel USA, Inc. Re: Auto transformer Vs Star Delta 04/28/2010 1:18 PM I would only take issue with the use of "smooth" as a descriptor for RVAT (Reduced Voltage Auto Transformer) starting. 1-Phase, Primary/Secondary: 120/208/240/277/480V - 24V, 50 VA, Signaling Transformer with Circuit Breaker. In our project circuit we have taken design of low power (10 KVA) single phase 50 hertz power transformer as per our. 138 kV Grd. 52 Keysight AC 6802A Power Controller Calorimeter # 1 426 to 440 1. Autotransformers have the benefit of being small, light and cheap compared to dual-winding transformers. This 1:49 transformer is used with wires any multiple of 1/2 wavelength. 424896 Std Dev: 0. 49 #8 In reply to #7. 1 of 1 February 5, 1991 July 10, 2001 ORIGINATOR STANDARDS COORDINATOR STANDARDS SUPERVISOR UNIT DIRECTOR GROUNDING of PADMOUNT SPECIALTY & AUTOTRANSFORMERS. Typically I would look to. Volume 12—Aftermarket, Renewal Parts and Life Extension Solutions CA08100014E—October 2016 www. See our Mounting and Hardware page for more information. The current in the high-voltage circuit flows through the series and common winding. T30e Tramag 1600 Watt Autotransformer Military Deployment Electricity (49% similar) This auction is for a used and in working order Tramag t30e 1600 watt autotransformer. Transformers – Isolation Transformers and Autotransformers, Step Up, Step Down are in stock at DigiKey. Honeywell VS820A1047 PowerPile Millivotage Combination Natural Gas Control. 15 * 750 watts/hp / 0. com with top-selling Autotransformer brands. 21 cr123c163a 3 11. 5x12: 5: Single-phase autotransformer: 4: About 9. 0 cr123f719b 225 1. In an autotransformer portions of the same winding act as both the primary and secondary. Order today, ships today. Mouser Part No 530-115-0F. This post details my construction of the end-fed half-wave autotransformer and antenna for the 10m, 20m and 40m bands. Difference Between Autotransformer & Conventional Transformer There are several differences between the autotransformer and the conventional transformer. The autotransformer is no longer required and is de-energized by opening switch 1. Regardless of the winding ratio, there's another important factor for the auto transformer to work efficiently and that is the primary inductance which is dependent on the frequency you want to use. The current in the high-voltage circuit flows through the series and common winding. It is an economical solution but. Buy Block 500VA Enclosed Autotransformer, 230V ac Primary, 110 V ac Secondary EJET500 or other Autotransformers online from RS for next day delivery on your order plus great service and a great price from the largest electronics components. Code: AE10 ELECTRICAL ENGINEERING Code: AE10 Subject: ELECTRICAL ENGINEERING PART - I TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Q. Some have called this a current balun, probably because it has a 1:1 voltage transformation but it is nothing more than an autotransformer. Autotransformers have the benefit of being small, light and cheap compared to dual-winding transformers. Shop brands like Atlas Sound, Quam, Bogen & more. 11/12/2015 NFPA 70: National Electrical Code (NEC), 2014 ­ MADCAD. SINGLE PHASE AUTOTRANSFORMER CONNECTIONS 250 227 0. 3 Three-Phase 1. Here's what a simulation looks like with and without tuning capacitor using an auto-transformer with 1uH end-to-end. For example if a = 1. 740 or higher 680 - 740 Less than 680. Winding MHz 1:4 transformer: Mike Kendall: 4/11/08 1:49 AM: I am having trouble finding specific information on how to wind RF step-up coils. P O W E R T R A N S F O R M E R C HASSIS M OUNT : Autotransformer D Web: www. Tokyo Kei Denki Corp Taiwan. 74 A + Check Stock & Lead Times 17 available for 4 - 5 business days delivery: (UK stock) Order before 23:35 Mon-Fri (excluding National Holidays). An autotransformer uses common winding and offers no interference or disturbance isolation. In comparison with the total magnetics ratings of conventional polygon (A) autotransformer-based 30-pulse (38%) and star autotransformer (58. Aprobación sujeta a análisis de Riesgo por Tuya S. Pricing and Availability on millions of electronic components from Digi-Key Electronics. Transformers Indoor / Outdoor Instructions for the Selection, Safe Handling, Installation and Operation of Buck and Boost Dry-Type Transformers How to Select the Proper Transformer To select the proper transformer for Buck-Boost applications, determine: 1. An auto transformer has one winding with the output being tapped at some point and therefore has no isolation between primary and secondary. Metal Halide Ballast Kits. The current in the high-voltage circuit flows through the series and common winding. High current ground fault (tank protection) 50/51P. 8 cr123f848b 250 1. Auto-Transformer and Phase-Shifter in Tandem: Now let us make a model for a phase-shifting transformer connected in series with an auto-transformer, as shown in Fig. Sekundary: alternatively a voltage between 5V – 750V: Auto. Starter to Motor Wiring (Remote-mounted Starters Only) 49. Fuses, Circuit Breakers & Safety Switches. Electric Power Transformers, Substation, Pad Mount, Step-Up, Three & Single Phase, Used, New Surplus, Rebuilt Transformers, 70,000 listings by 1,200 suppliers. Directed by Michael Bay. Lock-out 87T. It is used. Transformer Protection Principles 45 1. 2000va Tramag Autotransformer (49% similar) new condition(posted on May 31st, 2017) Transformer 220v Volts 300va 110v 6. Bel Signal Transformer: Autotransformers Step Down Auto Transformer Autotransformers Step Down Auto Transformer Enlarge Mfr. His idea was to generate AC power of any convenient voltage, step up the voltage for transmission (higher voltage implies lower current and, thus, lower losses), transmit AC power with small losses, and. 3 One (1) Oil Temperature Indicator & Relay type AKM OTI series 34 for alarm. 79 List Price $19. 109° 11 49 31 60 60 60 60 0. RC terénne auta Land Rover Defender v mierke 1:14 s možnosťou transformácie na robota. Three-phase to 2-phase Transformation (ต่อ) (1) Use a single-phase autotransformer having taps at 50 percent and 86. A variety of configurations, case types & output watts are available. We offer Current type BALUNs for antennas operating from 1. ENCLOSED external mount sep-down autotransformers, Models 210043EB (shown), 210098EB & 210083EB. Bel Signal Transformer: Autotransformers Step Down Auto. What is Transformer ??What is Transformer ?? A transformer is aA transformer is a static device which isstatic device which is use to convert highuse to convert high alternatic voltage toalternatic voltage to a low alternatica low alternatic voltage and vicevoltage and vice versa, keeping theversa, keeping the. Buy CyberPower Intelligent LCD CP1500AVRLCD Uninterrupted Power Supply featuring Output: 900 Watts / 1500 VA, Input: 120V, 6 x Battery & Surge Protected Outlets, 6 x Surge Protected Outlets, Recharge Time: 8 Hours, Line-Interactive Topology, AVR and GreenPower UPS, Integrated Multi-Function LCD Display, RJ11 / RJ45 and Coax Protection, USB & Serial Ports, EMI/RFI Filters. Vijai Electricals Ltd's. Also on top of the first wire, wrap a third. Autotransformers feature lower losses compared with isolating transformers with the same power rating. This fact, means that only the transitions in your square wave actually carry any power, so you're losing much of the power due to DC blocking. Auto transformer, three phase: DSsp: 0,1 kVA – 15,0 kVA: Primary:alternatively a voltage between 100V bis 750V. An autotransformer is single winding device. And at higher frequencies the gain lobes become skinny so the odds of one. This is one nib ADVANCE d auto TRANSFORMER postline ballast model 74P3033011P for 175W and 277 vac. 0a300 watts 50 60hz converts 220v to 110v european male plug to american. It is not a good choice for working lower bands from a too short wire, that is, if you have cut your wire to a 20m halfwave, it ain't much punkin' for 40m, 80m, or 160m. fluorescent lights | 8 Low Voltage DC Lights | 9 Why buy Thin-Lite lights?. 5x12: 5: Single-phase autotransformer: 4: About 9. THIS TITLE. Mouser Part # 530-130-0F. Matthew McCarty LaBella Associates, D. line compensation. auto transformers 30 April, 2020, 03:43 PM IST. Pricing and Availability on millions of electronic components from Digi-Key Electronics. 13 69 W SCD 14 9 Y009QTCF3L0U NQT4 15. Bel Signal Transformer: Autotransformers Step Down Auto Transformer Autotransformers Step Down Auto Transformer Enlarge Mfr. Now depending upon the input fluctuation, the servo motors adjusts the output of the Auto-transformer to provide a stabilized output. Get it as soon as Thu, May 14. Compact designs can be provided depending on the voltage difference. By leaving the neutral of the split phase supply unused, and connecting an autotransformer to create a new neutral, as shown in figure 1, any load unbalance is “absorbed” by the autotransformer. _____ There is no primary to secondary isolation. 2) Effect of having more BS170 transistors in parallel. Yonntech Auto Transformer 500W 5Amp AC Variable Voltage Regulator 500VA 0-130V Output. All conductors shall be copper and no larger than 500 kcmil. Shop brands like Atlas Sound, Quam, Bogen & more. The Korndorfer starter limits significantly the inrush current. Generally winding of an autotransformer is an inductive coil.
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