if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

2 Answers   BSL,

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what is the meaning of insulation level?

2 Answers  

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How to convert KW to KVA or KVAR OR kvar/kva to kw?

8 Answers  

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reason behind why the reverse power relay of incoming machine was not acted even when no load was shifted on incoming machine after synchronising the machines ?

2 Answers  

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What is a thermocouple, and it working principle?

2 Answers  

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How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

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1 ton aircondition(AC)consume how much watt?

6 Answers   Indus Towers,

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what is the use of breather in transformer?

4 Answers  

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Why PT burnts?

2 Answers  

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what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

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Can without battery on line UPS,off line UPS or Invertor works please brief.

5 Answers  

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Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

0 Answers  

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