What is meant by operating sequence of VCB : 0–0.3sec.–CO– 3min.-CO

2 Answers  

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why HV test for cables?.why 0.7times?

1 Answers   Bosch, Prince Food Products,

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I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

0 Answers  

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how to improve power factor correction?

3 Answers  

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What is Single Phasing fault???(not single-phase fault)

6 Answers   ABB,

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how do using transformer 30 deg lag or 30 deg lead

1 Answers  

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What are the questions asked in PRDC pool campus test?(bangalore)

1 Answers   PRDC,

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Normally the starter used to reduce the starting current.but the dol starter do not it,so why we use it?

4 Answers  

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What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?

0 Answers  

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Is it possible to interlock between ACB & MCCB?

2 Answers   Areva,

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how we can calculate power factor without knowing current in 230v 100w load ?

10 Answers  

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How to test IR testing & magnetic balance test

0 Answers  

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