What are the different auxiliary protections of a transformer?

1 Answers   CESC,

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

4 Answers   Gannon Dunkerley,

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why we used.c source in the field of the alternator , why not a.c source.

1 Answers  

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why doesnt the back emf hold the speed of unloaded series motor?

1 Answers  

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WHAT IS ELECTRICAL MAINTAINTENCE ?

0 Answers  

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How the electric train gets the supply of electricity? What is the return path of the current?

8 Answers   Siemens,

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IN MCCB AND MCB TERMINATIONS ARE IN-COMING ON TOP AND OUT GOING ON BOTTOM,IF WE TERMINATED INTERCHANGED TOP AND BOTTOM ITS WORKS?

2 Answers  

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you have an automatic voltage regulator at home for your appliances,if the voltage in your area drops from 220v to 190v,does the output of the automatic voltage regulator drops?or does it retains the 220v output?

4 Answers  

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why conductors of low tensile strength 1)produce greater sag and 2)can not be used for larger spans

1 Answers  

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. Is there a simple method to measure the horsepower of a small motor (1-3 hp) for a non-technical person

2 Answers  

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Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

0 Answers  

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What is the make of breakers, transformers, generators? What are their capacities and ratings?

1 Answers  

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