How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

0 Answers   ADS Spirits,

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why we use 3 phase in our country?..why no 4,5 or 2??

2 Answers   Siemens,

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how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

0 Answers  

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How to calculate the TR (AC's)

4 Answers  

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Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

0 Answers  

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Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

0 Answers  

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how can we connect a distance relay to CT core that is for backup protection or metering?

1 Answers  

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an electric bulb is connected on a holder. one end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. the bulb will glow or not? if yes then what is the need of neutral?

7 Answers  

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Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

0 Answers  

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Is the theorem applicable to ac sources?

0 Answers  

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why neutral wire don't shock?

9 Answers  

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How to select cable rating for HT/LT Panels

1 Answers   Alstom,

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