Answer / malleshwari

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what is over frequency protection

1 Answers  

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What are pre paid energy meters ? How it works ?

1 Answers   Siemens,

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What is the difference between PT for metering and PT for protection ?

3 Answers   Dewan Cement,

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in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?

0 Answers  

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can v rotate single phase induction motor in both the direction...?

1 Answers  

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differnce between single acting and double acting solenoid valves

0 Answers  

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What happens instead of using 3 phase, if we give loop of single phase to all three phases ??

1 Answers  

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what is the power factor of choke coil used in tubelight

12 Answers   Bajaj,

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What type of DC Generator is used for Arc Welding purposes?

7 Answers   CPCL, Rubicon,

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how 650 volts creates? where is use?

0 Answers   DCL,

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I have a 5KVA UPS. Total load to be connected almost 3KW. Ordering a battery pack with capacity of 1920VAh. How long will the backup time be?

1 Answers  

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How to find earthfault location in long cable layed underground or outside.

3 Answers  

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