what is the main difference between power devices and signal devices

0 Answers   Wipro,

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I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

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what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

0 Answers  

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why to use 50hz only in tansmisson and as well as in distribution why not60hz?

2 Answers  

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What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

0 Answers   ABB,

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WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK

1 Answers  

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How many different speeds can be obtained in cascade control of two induction motors?

1 Answers  

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What is the need for checking knee point voltage for CT's?

1 Answers  

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slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

0 Answers   Ramco,

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WHY WE USE CABLE JUNCTION AFTER BETWEEN TANSMISSION LINE AND TRANSFORMER

1 Answers   L&T,

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Describe the test procedure to determine the vector group

0 Answers   MPSEB,

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circuit breaker is ...............connected with circuit

2 Answers   Rancho,

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