Answer / guest

Generally when we consider a power system we need to
consider all the components trs gens and tr.lines.The
safety factor is defined as the ratio of min.fault current
to excite the relay/ desired value when the desired value
exceeds the relay operates, It is >1

ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

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why we don't use air circuit breaker on H T line in place of vacuum circuit breaker ?

2 Answers   Jindal,

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what is the first step of dg shycroning ?

2 Answers   ABB,

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What is the value of 3 phase voltage?

8 Answers   RECPDCL,

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working function importance of mdc meter

0 Answers  

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What are your future plans for the company if permanently employed?

0 Answers  

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wat are the transmission losses.... how can it be compensated....... wat s power system.......

1 Answers   NPC, NTPC, TCS,

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installation of subsatation of33kv

0 Answers  

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what is a starter ??

2 Answers   NPTC,

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We have given to 3phase supply to ups system & how can coming netural

0 Answers  

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what is cathodic protection and why it use in industries?

0 Answers  

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the total iron closs in a transformer core at normal flux density was measured at 25hz and 5ohz and was found to be 250w and 800w respectively.the hysteresis loss at 50hz would be................?????

1 Answers   ABB,

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