Answer / amolkarne

class of accurecy means the percentage of error while
measuring.
Diff. Accurecy classes are
0.5
1
5
10 etc

Answer / bhupendra bolya

metering CT
0.1, 0.2s, 0.2,0.5s, 0.5,1,3,5
Protection class CT :
5P10,5P15,10P15 etc.

Which motor connection is preferable star-delta or delta-star?

0 Answers   IOCL,

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please send me the L&T Emb. sys. placement papers and entire details of pattren

0 Answers   HMM, L&T,

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In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

0 Answers  

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Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.

0 Answers  

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What is power factor?

3 Answers   L&T,

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Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

0 Answers  

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how many by pass system in online UPS.

4 Answers  

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The neutral to earth connection in my industry is showing a zero reading (shorted). I have a machine which has to be installed where neutral to earth is not shorted and shows a leak voltage <3 Volts. Please suggest me how it is possible.

6 Answers  

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what is mean by single phasing used for electrification in rural area of maharashtra ?

1 Answers  

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which is more dangerous AC\DC supply

3 Answers  

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what must be the mf for a meter with the following conditions. line ct ratio-100/1 line pt ratio- 220kv/110v meter pt ratio- 3X63.5V meter CT ratio- -/1 A

1 Answers  

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How to test Power Transfomer vector group in the field?

3 Answers   Al-Yamama,

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