why back up fuse used in vacuum magnetic contactor?

1 Answers   KNPC,

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What is the arc. I saw word arc in between sf6 & vcb brakers

1 Answers   Cap Gemini,

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type of transformer

3 Answers  

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what is transient stability analysis means?

0 Answers  

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Explain Creepage Distance of Insulator

0 Answers   ABB,

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How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

0 Answers   IBM,

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I have 12MW gas engine based power plant its running parallel with grid. my problem is When cpp run in island mode(without geb) that time geb transformer power factor is 0.2 lagging. When cpp run with parallel that time power factor is 0.94 lagging So how can i maintain power factor ofgeb transformer in island mode 0.9 lagging?

1 Answers   SPCL,

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What do you mean by boost voltage in case of battery charger?

3 Answers   MahaGenco,

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can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

0 Answers  

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I try to check the three phase voltage in multimeter, in 125A isolator switch incommer. first i touch R phase, and then i touch Y phase using multimeter, the moment i touched, it blasts and that moment i got blindness. multimeter selector position is correct(750V AC MODE AND RED PROBE WASS IN v AND BLACK PROBE WASS IN COM. MODE. COULD ANYBODY GIVE ANSWER FOR THIS TO AVOID FURTHER ACCIDENTS PLEASE?

2 Answers  

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To transmit the Power which must be present…? a) Reactance b) Resistance c) Capacitance d) none of above

9 Answers   ABC,

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Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

0 Answers   PCSB,

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