Answer Posted / shivam

field means inside the plane of paper or outside

how many single tension hardware are required on a double circuit transmission tower?

1940

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can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

5023

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list the advantages of RCCB over other circuit breakers?

1708

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2104

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In what condition the HT fuse breakes?

2023

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What is the difference between vector surge relay (78) and Pole slip relay (98G)

1211

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what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

3046

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What is Instantaneous Earth fault relay,how will work

2232

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what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

2091

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what is the difference between RMS & TRUE RMS VOLTAGE

2953

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what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

2289

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in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

2234

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what is the differance between HT motors And LT MOTORS.

1982

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Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing

1925

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Why we use auxillary relay ? what is function of differential relay, directional o/c relay?

2199

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