Answer Posted / ramarpandi

neutral of 3 phase transformer potential 0

What is stacking factor? What is its approximate value?

1546

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WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

2319

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what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group

2135

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We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

2270

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A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

2659

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what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

2414

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How many types of faults are there in 3 phase power system?

1137

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What is star-delta transformer?

1251

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How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

4781

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Can anyone tell the proper diagram of star delta starter????

1981

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what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

1570

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What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

3057

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

2958

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Please explain me about Relay curves and their sources to read ?

1860

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how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1986

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