Answer / syed azam shareef

If the cable is earthed or shorted with other cable ...in
that case diff relay acts.

What is auto reclose system in Circuit breakers??

4 Answers  

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Briefly describe your ideal job?

0 Answers   L&T, LPGCL, ONGC,

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Does the electricity supply authority send its customers power (kW) or voltape (V)? Asked by Ivan Muliro

2 Answers  

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when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?

2 Answers  

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what is the principle of operation of domestic fan?? what is the role of capacitor in it??

5 Answers  

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If you touch power transformer........ Then , in your body current will flow or not...?

7 Answers  

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Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

0 Answers  

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what is the difference between rectifier and converter and commudator?

0 Answers  

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If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.

0 Answers  

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what is spadar bar .why I use in DC generator.

0 Answers   BSL,

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10Hp, 3-phase, 415v, 50Hz induction motor. The above motor is to run on Star-Delta connection, so how do i make following hardware selection 1) MCB, 2) Contactor, 3) Wire Gage (Depending on P-P current or Line Current), 4) OLR, Please tell in detail how to do the above, so as to get the ans. of it even if the Hp rating changes.

1 Answers   Engro,

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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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