Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

4 Answers   Essar,

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What are objectives of energy managements ?

1 Answers   Kirloskar, RR,

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what condition there autotransformer will fail?

2 Answers  

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How to calculate loses in transformer of 160 KVA ?

0 Answers   IDV,

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If the primary side current of 33/11 transformer is 64 amps then what will be secondary side current?

2 Answers  

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what are the preventive maintanance actions taken for air circuit breaker? please answer me

0 Answers   MAHINDRA,

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IN MY INDUSTRIES 125 HP MOTOR USED FOR THAT ONLOAD AMPS UP TO 280 SO CAN I USE ONE LOWER KVA DG SET WITH STEP UP TRANSFORMERS THAT MEANS WITH LOW POWER INPUT TO GET CONSTANT HIGH POWER OUTPUT EG:125KVA DG SET = 250 KVA STEP UP TRANSFORMERS

1 Answers  

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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.

0 Answers   HAL,

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plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in

0 Answers   HPCL,

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Compare salient pole and cylindrical rotor machines.

0 Answers  

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how to calculate the transformer losses.

4 Answers   Cipla,

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There are 2 motors without name plate and terminal but one is DC motor and another is induction motor.How one can identify which one is DC and which one is AC motor?

6 Answers  

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