What value of resistance required between Saftey earth and instrunment earth , maximum and minimum values required

1 Answers  

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how to calculate the knee point voltage of current transformer?

2 Answers  

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primery try cell?

0 Answers  

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whats is MARX CIRCUIT?

1 Answers  

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What does the temperature (30 deg or 35 deg celcius) mark on conservator of transformer indicates?

2 Answers   MahaGenco,

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what do you mean by every IC 74 first digit.why are you using this no.why not using another no.

0 Answers   Jaypee,

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can anybody find out the result. I am lil bit confused about my equation.

1 Answers   Student,

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HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

0 Answers   Areva,

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For DG set,if the loading is increased,does flue gas temperature increases or not?

2 Answers   NTPC,

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In Single Phase AC Supply,If Voltage between Phase and Neutral is 230V means what will be the Voltage between Phase and Earth?

2 Answers  

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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 Answers  

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why generator is star connected ?

3 Answers   Voltech,

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