Answer / himanshu kumar singh

transformer will work at 60 hz without being
overheated...but the core losses will be more.

Answer / rohan

induced voltage is dependent on frequency. so if x'mer designed 4 60 hz runs on 50 hz then o/p is a little less than 3.3kV

what is called star connection and delta connection also purpose of this connections?

3 Answers   Siemens,

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how we select the mva rating of the circuit breakers?

1 Answers  

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How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

0 Answers  

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we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?

4 Answers   MAHINDRA,

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Why we use less dia. fuse and conductors at H.T. side, although we use higher dia. cables on L.t. side?

4 Answers   RRB,

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what is impedence of transformer? its formula

1 Answers  

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my project load is 6 MW so please suggest the size of cable.. ALU 3c 400 aqmm cable can be sufficient.. is there any thumb rule for calculation of cable size please help me

1 Answers  

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Why are tertiary windings used in transformers?

2 Answers  

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What is power factof?

21 Answers   RRB,

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considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?

5 Answers  

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what is use of mccb.

1 Answers   Simplex,

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When Neutral exceeds or equals the phase current in both single phase * three phase system?

1 Answers  

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