75 kva step down transformer
[DOC File]PS202002EN - Eaton
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This specification covers the electrical and mechanical characteristics of Eaton’s Cooper Power series 45-10,000 kVA Three-Phase Step-Down Pad-Mounted Distribution Transformers. KVA ratings for transformers with secondary voltages not exceeding 700V are 45-3,750 kVA, while kVA ratings for transformers with secondary voltages greater than 700V ...
[DOC File]Functional Specification for Single-Phase Pad-Mounted Type ...
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The transformer shall be designed in accordance with this specification and shall have one of the following kVA ratings: 5, 10, 15, 25, 37.5, 50, 75, 100, 167. The applicable kVA rating shall be specified on the inquiry. Table 1. Transformer and Connector High-Voltage Ratings and Electrical Characteristics for dead-front transformers
Schneider Electric
Section includes transformers with a nominal primary and secondary rating of 600 V and less, with capacities 0.050 to 75 kVA. ... Nonventilated transformer Core and Coil completely imbedded in Sand- Resin preventing external air circulation through the coils of the transformer while operating at zero gauge pressure (Except from NRCAN and DOE ...
[DOC File]Home | US Forest Service
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Jun 17, 2002 · Also good for minimizing voltage drops on long runs. Disadvantages are that a step down transformer is required to get 120/208 or 120/240 volt power for lights and outlets. Motors should be started directly from the generator buss, not from a step down transformer to minimize voltage drop.
[DOC File]RollaNet
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The lighting transformer is the larger KVA transformer and will supply the 120/240 voltages. Lighting transformer supplies 2/3 the load. 3 phase load is shared equally . Impedances should be near same (within 10 percent) 311 – Ungrounded Wye, Corner Grounded Delta. Is a 3 wire service. Float H2's to avoid backfeed just as was the case in the ...
[DOCX File]DNM 400 - Home - Prime Machine
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75 kVA step down transformer, 480V primary to 220V (multi tap) $3,800. MTBB004. 75 kVA autotransformer - from 208/216/230 for voltage correction. $2,050. Optional transformers are rated for specific models and may not have . sufficient. kVA capacity for additional options.
[DOC File]SECTION 16276 - Government of New York
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TRANSFORMER RATING RECOMMENDED MINIMUM DISTANCE FROM BUILDING 75 kVA or less 10 ft 76-333 kVA 20 ft. More than 333 kVA 30 ft. b. M Loss Prevention Data 5-4/14-8 Tables 2A and 2B: Table 2A Factory Mutual Required Separation Distance Between Outdoor Liquid Insulated Transformers and Building. HORIZONTAL DISTANCE
[DOC File]Module 5 - SNAMeLearning
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A single phase 2.5KVA, 60hz, step-down transformer is rated at 440V/120V. If it is providing rated KVA at .8 lagging pf, find: V1 , V2 , the turns ration, I1 , I2 , P1 , P2 , and Zload . Solution: Because it is a step-down device . V1 > V2 So: V1 = 440V. V2 = 120V. Turns ratio = If N1 = 370 turns then N2 = 100 turns. I2 =
[DOC File]Design of a Power Distribution System - Jim Richardson
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Size of Transformer Minimum. Pole Class 15 KVA 6 25 KVA 6 37.5KVA 5 50 KVA 5 75 KVA 4 100 KVA 4 3.e. Guying. The laws of physics (specifically statics) require that you guy some of your poles. Any time a pole marks the end of an electric line, it must have a down guy to balance the forces on the pole.
[DOC File]UNIT – I
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A 5-kVA transformer has iron loss & copper loss of 100 & 200W respectively. Determine the efficiency at half F.L & 0.8 power factor lagging. The maximum flux density in the core of 250 / 3000V, 50 Hz 1-Φ transformer is 1.2 Wb /m2 if the emf /turn is 8V, determine the number of primary & secondary turns.
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