Answer / naresh

Dc series motor

Answer / ravi

d.c. series motor

Answer / ashok mishra

dc series motor are used but now a day ac series motor are using in nwe loco

IN 1000kva transformer where the oil and winding temperature sensors is connected

0 Answers   Cushman Wakefield,

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Can we parallel two grid with different incoming voltage. Ex.let say one grid is 132kv and another is 220kv.

2 Answers  

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What are the advantages of DOL starter?

7 Answers  

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One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?

1 Answers  

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how does a submersible pump work..?

0 Answers  

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when running 2 nos 450kva dg sets in parallel operation ,in one Dg set power factor and Kvar going to lagging and ampere suddenly going high,please give me suggestion to correct the same.

2 Answers  

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What is knee point voltage?

0 Answers  

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what is full form of google

5 Answers   IBM,

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What is Load sharing of Transformer ?

0 Answers  

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Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

0 Answers  

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on which power factor synchronous motor run

2 Answers   Bhel,

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Dear All, Can anybody please tell me which value(saturated or unsaturated) of sub-transient reactance(Xd") we take for the calculation of fault current of the system?

2 Answers  

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