What is meant by vector group

0 Answers   GPSC Gujarat Public Service Commission, VA Tech Wabag,

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Why 5kv megger used to megger 6.6kv motor or 33kv transformer why not 500v?

2 Answers  

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give me the details of anti pumping relay

2 Answers  

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What do you mean by Transformer?

9 Answers   Hyundai, NTPC, wbsedcl,

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single phase 230v three phase voltage 415volt why we aren't used line voltage 690v?

7 Answers   Citec,

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what is the relationship between horse power and watts

9 Answers  

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Grid fault level [KA]?

0 Answers  

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what is frequency? and its importance

3 Answers  

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A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

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wht is this amps in power consuption and how can we convert that into consuption hours ? i am a sales executive of a energy saving lamps .

5 Answers   KSEB,

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if field current decreases how can the speed increase in the unloaded dc series motor

1 Answers  

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how much importance of power factor in single phase. is it,s importance is quiet same as like three phase power system.

1 Answers  

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