Answer / guest

over current-a)instantaneous, idld,thermal earth fault,
under votage.

Answer / romeo

in addition, differential relays for current and voltage
are necessities also to monitor considerable leakage of
current and difference in voltage (in case of two leg
switchgear for a make and break design) to a magnitude that
will activate tripping action or prevent closing of the bus
tie.

flush point of transformer?

2 Answers  

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Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

0 Answers  

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how c-curve of mcb's actually looks alike?

0 Answers  

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Explain RYB?

21 Answers  

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will a bulb glow connected to two phases of a delta connection?

6 Answers  

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What is ZCT? it operating principle and how is work with RCCB (residual current circuit breaker)?

4 Answers  

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what the purpose of protection signaling equipment in substation?

2 Answers  

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What is ill conditioned power system?

1 Answers  

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WHAT IS A BASIC DIFFERENCE BETWEEN THYRISTOR,TRIAC AND A DIAC.AND WHAT R THERE APPLICATIONS?

5 Answers   Petronas, TCS,

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How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?

0 Answers  

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PLC Based Process Automoation Panels?

2 Answers  

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Draw the equivalent circuit of crystal oscillator?

0 Answers  

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