Answer / devendrapandey

yes we connect all earth pits in ring system.IS3043 is the
standerd international rule of earth pit.Acording this we
have follow some rules in meaking earth pit like the earth
resistance should be between the 0 to 3 ohms & some more u
will know as well for making a perfect earthpit.

where transformer is installed? a)generating station b)substation c)voltage regulating area

6 Answers  

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What is the operating range(tolerance) of voltage and frequency of grid supply in india?

10 Answers   BARC,

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Working of furnace in detail...?

0 Answers  

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if one potential missing in energy meter , how much % slow the energy meter?

1 Answers   NTPC, SK,

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If OLTC is in manual position there is chance to variation of voltage(Low or High)?

1 Answers   Juniper Networks,

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How to do the meggering for a cable.

6 Answers  

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I have 200 KVA Isolation Transformer for UPS input side. & ups was having 48% load, suddenly got short what will be the reason.

1 Answers   Mukand,

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What is the name of the winding to which supply is given?

0 Answers  

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sir What is the different bet'n "Active & passive" sensors

3 Answers   Kirloskar,

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

0 Answers  

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When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

0 Answers   UOM,

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Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

0 Answers  

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