why the capacitors works on ac only

5 Answers  

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Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

0 Answers   Power Plant,

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?

1 Answers   Siemens,

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What is EHT(Abrebiation,Function,Voltage Regulation & how it works?

2 Answers   Adhunik,

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How to calculate Battery back up time for a 400 AH Battery bank having a load of 20 Amps and charging time required to fully charge this battery bank?

2 Answers  

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Moving Iron instruments are applicable with a) DC only b) AC only c) DC & AC

14 Answers   Bhel, Engineers India, Engineers India Limited,

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What size cable is used for HT cable to the transformer of 630kVA, and the supply voltage is 11kV

2 Answers  

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explain all the classes with example

0 Answers  

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How DC earth leakage currents can be reduced ?

0 Answers  

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What is the different types of cable & current capacity of cable

0 Answers  

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how to calculate current carrying capacity in power cable?

1 Answers  

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