what is the difference between star connected and delta connected motors

3 Answers   Welspun,

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

0 Answers  

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If the secondary winding will be open in current transformer, how to damage the insulators

2 Answers   TPDDL,

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What is the main purpose of c.f.b.c.boiler

0 Answers  

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i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

0 Answers   May Baker,

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We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

0 Answers  

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

4 Answers   Gannon Dunkerley,

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If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.

5 Answers  

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What meant by XLPE cable

3 Answers  

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can we install HT panel & LT panel side by side or how much clearance is required ?

0 Answers  

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If u take a kWh reading in 11 kV HT and 440 LV side at same time in yesterday today , then why LT consumed units 3-4℅ high as compared to HT units

1 Answers   Brigade,

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Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing

0 Answers  

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