What is GIS (Gas Insulated Switchgear)

3 Answers   Power Grid,

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what happan when ac power transmitted in unity power factor

12 Answers   JE, Maihar Cement,

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i have one ground earth for my shop but now he showing 11v how ever my machine engineer said that he require less than 3v how can we reduce it, i have put 8 bucket salty water in it

1 Answers  

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which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

0 Answers   Siemens,

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why we use capacitor in Fans not resistor?

4 Answers   Vardhman,

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How to calculate impedance volt in Transformer?

0 Answers  

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what happends when an isolater is operated on on-load

1 Answers  

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In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

0 Answers  

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What is function of Diesel Generator?

2 Answers   Bhel,

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what is looping circuit in electrical lighting circuits?

5 Answers   L&T,

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1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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wich types of current?

2 Answers  

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