Answer / ravi sekhar

its used for the high ratin of mcb its not tripped

what is transient enclosure vltage , very fast transients, very fast transient over voltages

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

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State the types of distortions in amplifier?

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how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

0 Answers   Sandhar,

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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what is the function of turbo in dg sets

1 Answers  

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If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

0 Answers   TATA,

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why semiconductor fuse used in drive ,not ordinary?

4 Answers   EAP, Essar,

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why electric shock due to dc is dangerous than that of ac

8 Answers  

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how electrical energy is converted into mechanical energy in dc motor

3 Answers  

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How to decide the fuse ratings for potential transformer

2 Answers   Eskom,

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What is Difference Between Induction Motor & Servo Motor

31 Answers   Jindal, Kirloskar, KTTM, Star Technocrates, Toyota,

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