What is the tolerence limit between neutral and earth in 230 V AC System?

7 Answers   NTPC,

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directional relay is typically used to respond in fault condition who it can be used just as reverse power protection which purely senes direction reversal to operate a circuit breaker?

1 Answers  

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what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

0 Answers  

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HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?

0 Answers   ANZ,

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what is the use of vcb & isolator in substation?

4 Answers  

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The unit of quantity of electricity is the:(a) volt(b) coulomb(c) ohm(d) joule

1 Answers  

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what is meant by negative conductor?

2 Answers  

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What is RTCC in a transfomer and specify its function.

11 Answers   MCB, Vodafone,

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What are applications of Shunt release?

2 Answers   Techno Electric and Engineering,

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Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

0 Answers  

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How you give clearance to a spare feeder.

0 Answers   KSEB, L&T, Siemens,

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Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers  

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