How can calculate thermal overload in relay?

1 Answers   ABB,

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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I have 11KV/415V power distribution transformer. I have found unbalance current in LT (415V) side. Also observed that unbalance voltage (3V) at LV side due to HV side unbalance voltage. What should I check for this? Also, the same LV side load can run in balance on captive power.

1 Answers  

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Can I use RCCB in moisture control device in a submersible pump.

2 Answers   TATA,

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what is inverter and converter

7 Answers   Shrishti Power Technologies,

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Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

0 Answers  

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what is surge suppressor?

5 Answers   Essar,

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what is the difference between electrical choke and electronic choke?

0 Answers  

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What is ht lt switchgear.

3 Answers   Bhel, HBL Power Systems,

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why is the vector group analysis done in transformer tests

28 Answers   K K Rao, Lloyds, Nicco Engineering Services Limited, Qatar Petroleums,

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How to calculate multiplying factor of dc energy meter

0 Answers  

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What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

0 Answers  

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