what is back trip and re-trip in protection schemes? why these two? define me the exact function of these two?

1 Answers   Siemens,

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why phase & neutral is use in tv? why earthing not use ?

2 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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What is the harm if we install primary side 11 KV VCB at a distance of one Km from the 11/3.3KV 12.5 MVA transformer through 11 KV cable.

4 Answers  

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1.4 What is meant by CT knee point voltage and how would you determine it

0 Answers  

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What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

0 Answers   Honeywell,

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What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

0 Answers   Anglo Platinum, Narnarayan Electrical,

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

0 Answers  

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what is the capital of india

13 Answers   eInfochips, Reliance,

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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 Answers  

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what will be happened when a single phase motor is supplied by the dc supply

3 Answers  

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In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

0 Answers  

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