What is the basic difference among IPS,UPS,EPS?

2 Answers   ABB, Navana,

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How does a battary stores charge in it? please explain in simple manner and in detail.thanks

0 Answers  

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What is the main uses of VCB & ACB?

2 Answers  

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If the characteristic Impedance is equal to load Impedance then…… a) voltage will be increased b) power transmission is zero c) …… d) max. power is transmission to load

2 Answers  

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Define protection core in CTs Ex. 5P10, 5P20 etc.

1 Answers   HPL,

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what is the different between counterpoise earthing and pipe earthing?

1 Answers  

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is tree is a good conductor and it may be used for conductor?

3 Answers  

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While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x

0 Answers  

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what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

1 Answers   KSEB,

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How to calculate the size of earth cable to earth the neutral of UPS ?

0 Answers   N Johnson,

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Why we are use dol starter up to 10 hp

0 Answers  

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HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....

0 Answers   Jindal,

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