Answer Posted / bs rana

Purpose of capavitor in a ceiling fan is to split the
phase, because with single phase rotory motion is not
possible.

Rules and standards of electrical control wiring ?

1216

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i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

2029

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My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I -    is the value of AC fault current. t -    is the operating time of disconnecting device in seconds. K –  is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.

1929

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how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

1653

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Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1558

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how does a submersible pump work..?

1932

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what kelvin's law ?

2160

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what will happen when the dc supply is given to the capacitor?

1581

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2161

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What are the advantages of a three-phase system over a single-phase system?

1166

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whether fibre optic cable in high voltage earth conductor is used for protection circuits

1667

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What are the weight of 800KV DA,DB and DC type tower ?

3196

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how much allowable resistance that can be difference in motor all coils?

2411

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How Calculet The UPS AH In Load

1952

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hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

2200

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