Advantage of LT panel vs HT panel ?

1 Answers   HCL,

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what is servo motor and how it works?

0 Answers   Godrej,

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One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?

1 Answers  

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What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

0 Answers  

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What is difference between earth leakage relay and restricted earth fault relay ?

22 Answers  

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what is meant by fuzzy logic? what is fuzzification and defuzzification?

5 Answers   MEIL, Power Grid,

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what is brushless generator.How does work it..??

3 Answers   NTPC,

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I want to know what is the short circuit level when 8 NOS 2000 kVA, 415v, 50hZ generator connected in paraller

1 Answers  

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what is the significance of per unit impedance ?

7 Answers   HP,

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what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

0 Answers  

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how do you reduce the skin effect

2 Answers  

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What is the difference between isolators and electrical circuit breakers? What is bus-bar?

0 Answers  

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