Answer / alimohmad khatri

For coupling you have to lower down the BUS of R,Y,B phases
to connect them in Bus coupler breaker. this need space and
adopter panel is for the same.

Answer / dhiren

I really dont know the answer,please answer it

should %impedance be high or low in a power transformer? if so why?

0 Answers  

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How to test and satisfy the conditions of the vector group YNd1 for power transformer?

1 Answers   Areva,

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Why is remote backup preferred to local backup?

0 Answers  

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what is the meaning of 1250 KVA Trasformer

2 Answers  

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1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?

2 Answers  

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what is the stear deltaprinceple?

0 Answers  

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1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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what is the difference between metalhalide and mercury vapour lamp

1 Answers  

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how to avoid Saturation in C.T?

0 Answers  

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How power cable & control cable can be differentiate from each other ?explain?

14 Answers   Aster, Finolex, TCE,

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How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

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Dear All, Can anybody please tell me which value(saturated or unsaturated) of sub-transient reactance(Xd") we take for the calculation of fault current of the system?

2 Answers  

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