What is cp system and why is it required.?

1 Answers   Essar,

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How to know of any cable size if there are not written on cabl?

0 Answers   APGenco, El Seif,

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if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

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What is IGBT?Where it is used? What is the difference between IGBT and Thyristor?

5 Answers   AC, Formo Plastic, HBL Power Systems, SECL,

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1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

0 Answers  

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what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?

0 Answers  

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how does capacitor oppose sudden chane in voltage? how does inductor oppose sudden change in current?

4 Answers   AAA, Iqra University,

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what is exiter winding,stator winding,avr?how it will work?

1 Answers   Siemens,

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what is difference between ac1 and ac3 contactor and why it is needed to be selected?

1 Answers  

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How to calculate energy stored in a capacitance

0 Answers  

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can transformer develop three phase poer from a single phase source?

2 Answers  

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how to find three phase complex power in per unit and MVA?

0 Answers  

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