how is working the APFC when varying the load?

1 Answers  

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Differentiate between power relay and reverse power relay?

2 Answers   ABB, TVS,

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what is mean by marshalling box in transformer?

8 Answers   Reliance,

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Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

0 Answers   HPCL,

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Sir, how to calculate the voltage drop and short circuit current of cable. please give me example and formulas.

1 Answers  

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WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

0 Answers  

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We are having a 2000KVA DG set. It trips with Over speed and Engne Hot when the mahine is stopped in full speed. How shall I analyse the block load and reverse power.Is the problem related to power factor. The machine which runs on this DG is having all Synchronous motors with incividual Drives.

1 Answers  

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

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What is voltage

5 Answers   TATA,

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How to calculate MCB Breaking capacity.

0 Answers  

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If o/p power is doubled by how much does the sound increase

0 Answers   Flipkart,

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How to do stting of vl250 siemens MCCB

0 Answers   Qatar Steel,

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