What is the difference between circuit breaker and isolator

0 Answers  

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HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 Answers  

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what is the difference between ac motor and dc generator

0 Answers   ETA,

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What is P.F? Formula for calculating PF in HT side?

1 Answers  

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What is the technical reason for adopting color coding of three phase system as RYB.

11 Answers   ABB, ERDA,

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How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

2 Answers  

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why gravels is used in transformer yard?

6 Answers  

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what is the diffrence between voltage and current?

11 Answers  

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why earth hole size is biggest in socket point.

5 Answers  

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can you give me some names of projects which can be used in our daily life & which is having medium cost?

1 Answers  

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we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

0 Answers   ABB,

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Which supply is using for train AC or DC & what is the voltage????????

16 Answers  

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