Answer Posted / k.prakashchandra

Loss of excitation relay (LOE)

What are the two segments of nyquist contour.

1163

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what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

2300

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

2093

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How many types oil using in transformer ? How many letars using in transformer..?

2150

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does buccholz in a transformer use batteries

4971

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if sf6 gas low in gis what will happen

889

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PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

2323

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How do I calculate/select Droop CT ratio for various capacity of generators?

3708

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what is difference between cpp electrical system and refinery electrical system

2356

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Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

2035

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what is the function of impulse relay

2579

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please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula

2346

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Discribe type of fault in DOL and stardelta startor.

2289

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why moisture formation found in XLPE Armoured cable outer sheath

1884

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2177

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