What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

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what is reactive power ? what its role in transmission lines?

3 Answers   Thermax,

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What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?

3 Answers  

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An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

0 Answers   UOG,

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Does the dg syncronization sucessful in practical.

2 Answers  

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What are the protections required in the main lt panel which is connected to the transformer.

1 Answers   Ispat,

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how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

0 Answers  

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What is a unit of gravity (Battery)

9 Answers  

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How power factor of electric system improved?

6 Answers   Nalco,

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how many units will 100 kvar capacitor consume for one day?

2 Answers   Philips,

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how does circuit breaker works

1 Answers  

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TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

0 Answers   Bhel, NTPC,

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