Answer Posted / sangeetha

CAPACITOR START AND RUN single phase induction motors r
used.
for small n compact ceiling fans, v go for SHADED POLE
motors

If increased the frequency up to 1000 then what changes shows in voltage?

2365

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what is the difference between earth leakage and earth fault?

2243

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1967

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I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

1971

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What is different bewteen low or high impedance busbar protection scheme

4068

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An automatic water heater is an example of which type of control system?

1125

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In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1918

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What is the use of lag compensator?

1167

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I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

1782

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WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

3110

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for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

1100

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How to do fabrication , busbar and wiring cost for : 1. LT Panels 2. C& R Panel

1854

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ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

6260

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WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

2118

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Why auxiliary transformers are not connected in parallel in primary stations?

1377

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