HARMONICS ARE ALWAYS IN INTEGER LIKE 2ND OR 3RD HARMONICS,NOT IN FRACTION LIKE 0.5 HARMONICS.....????????

2 Answers  

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WHICH IS BETTER( FOR POWER SAVING)- ON LINE OR OFF LINE UPS ?

3 Answers   Punjab National Bank,

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63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

0 Answers   GSECL, L&T,

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what is ALF and ISF in current transformer?

1 Answers  

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Is it any dc fuses availbale in market? can we use one fuse for both AC & DC ?

6 Answers  

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which type of oil is used as a transformer oil?

3 Answers   JSW,

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voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

2 Answers   GATE,

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What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

0 Answers  

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can we synchronize star system generators with delta system generators?

2 Answers  

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what is the purpose of measuring % impedence?

1 Answers  

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What is ht lt switchgear.

3 Answers   Bhel, HBL Power Systems,

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what is the different between DC & AC load Line.

1 Answers   Emarat,

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