Answer / mohit parmar

residual current circuit breaker

Answer / guest

Residual current circuit breaker, Which is a protective
device.

Answer / ds01151

Residual Current Circuit Breaker, we are using this in
PDB's and LTG DB's, UPS DB's,rating of 30mA, 100mA, 300mA ,
instead of ELCB's

Can a generator rated 400 V, 60 Hz be used in a 50 Hz System? Yes or No ? Why ?

1 Answers   VECL,

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What are the essential characteristics of signal flow graphs?

0 Answers  

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Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

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Define newton's law of viscosity.

0 Answers   Godrej,

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the need of star to delta anddelta to star

2 Answers  

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We are using 4 MVA transformer and we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral, can we connect separate body earthing pit to other earthing pit (Equipment earthing)?

1 Answers  

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What is the difference between bundled conductors and double circuit?

1 Answers   Power Grid,

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What are high pass filter and low pass filter? and What are the flowmeter ?

0 Answers  

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how solar power plant energy meter multiplication factor

0 Answers  

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what is the difference between on line & off line UPS

3 Answers  

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presently I am working in private sector.In powergrid interview recruiter asked me why you join this organization.

0 Answers   Power Grid,

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Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.

1 Answers   Electrical Tech,

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