what is the highest transmission voltage in India till now?

36 Answers   Bhel, Electrical,

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How a Universal motor works in Both A.C and D.C? What is the constructional difference with other single phase motors?

1 Answers  

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LT cable fault checking instrument is available? where and how to get it.

2 Answers  

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in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

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What is duty cycle for HT motors? How many start permitted if mentioned as 01 for hot and 02 for cold per duty cycle?

1 Answers   GVK,

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what is MC 61 relay

2 Answers  

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how meger function

0 Answers  

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how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

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how to calculate the bus bar current rating

2 Answers  

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WHY DISEL GENRATOR SET SHUT DOWN IN OVER LOAD CONDITIONS

5 Answers   HMT,

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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.

0 Answers   Premier,

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6.6Kv feeder feeding tow step down transformers-415V-,what the possible consideration for parrellel operation?

1 Answers  

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