Answer / sivakumar

phase difference at load, over heat of ups, leakages in batteries, failure of input supply,

if the syncronous machine run at leading pf and as its field curret increased its armature current decreased is machine operate as generator or motor?

1 Answers  

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What is the difference between an insulator and a dielectric?

2 Answers  

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WHAT IS MODULATION AND NEED FOR MODULATION ?

1 Answers  

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How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

0 Answers  

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How to reduce power factor correction capacitors failure in an industrial environment with vsd and computers usage in the system

2 Answers   ABB,

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Why we use the D-curve MCBs in critical power distrubution.

4 Answers   Sodexo,

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what is the method to calculate the voltage drop for number of meters Example 250volts I/p at one end if the cable length is 50 meters what could be the drop?, after 100 meters how much? needs formulae.

1 Answers  

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Explain why machinery used on a.c supply is usually rated in KVA instead of KW?

10 Answers   EEE, Mtandt,

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What is the fullform of NS fuse

2 Answers   Google, JAL International,

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why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?

1 Answers   HPCL,

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I need the proper answer on :- What is the Earthing Value as per the standard for Raw power and UPS Pit and in panel /DB N-E value ???

2 Answers  

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The screw thread commonly used for transmission of motion is one of the following types of threads

0 Answers   Caterpillar,

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