Answer / maruth sk

Earth fault,
Short circuit,
Over current,
Over voltage

Name two types of electrical analogous for mechanical system.

0 Answers  

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what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

0 Answers  

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what is difference between megger & Contact resistance meter & its Application?

2 Answers  

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how can motor both beasrings insulation resistance can be check?

0 Answers   GE,

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Can i use the B-curve MCB instead of C-curve MCB

0 Answers  

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how we check vector group dyn7

1 Answers  

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Why we use Delta connection in the secondary side of a High Voltage transformer?

1 Answers  

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WHEN TWO ALTERNATORS ARE OPERATING IN PARALLEL, EXPLAIN WHY IT IS OBJECTIONABLE TO OPERATE ONE AT A LEADING POWER FACTOR AND ONE AT THE Lagging power factor?

1 Answers  

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sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

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CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND TAKING OUTPUT FROM PRIMARY?

22 Answers   L&T,

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What is the method of Tan delta test for power Transformes and why it is required.

1 Answers  

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generator(Deutz 550kv)is runing for 2 hours with load of 900 amp and then it goes in shutdown with alarm fault messege of speed fault although heirtz reading fixed at 50,what does that mean

1 Answers  

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