In D O l starter motor starts as a star connected ,then in star delta starter also motor initially starts as star how come star delta is preferred from dol

2 Answers  

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Can we use Ccapacitive voltage transformer directly for metering purpose?

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For a 50MVA (138/69/13.8 KV) transformer, what would be the maximum demand in order not to exceed 80% of its operating capacity.

2 Answers  

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can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

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What are all the problems occured while ac generator running in leading power factor at full load condition?

1 Answers  

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length of 4 core cable 95mm from substation LV VFD panel to Motor at field approximately 150 meter. Motor stop and power has been isolated from LV MCC ( Substation )to disconnect Motor for services. After Motor completed service propose to reinstall and reconnect Motor Cable, found earth cable sparkling during touching at metal / motor body. Inspect by clamp meter found earth cable have current flow AC 1-2amps and all earth cable at MCC LV also have current flow as same value. why it is happen?

2 Answers  

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What is a fuse? How does it work? What are materials used?

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what's the thickness of 1.5sqmm wire

1 Answers   Bhel,

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Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

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What are differences between Voltage, EMF & Potential difference ?

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what is the function and use of oil filled cables specify its advantages and disadvantages

7 Answers   Alstom,

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neutral,ground & earth different b/w

2 Answers  

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