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 Categories >> Engineering >> Electrical Engineering
 
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Question Asked @ Answers Views     Select
WHY VOLTAGE REGULATION OF AN ALTERNATOR IS NEGATIVE FOR A LEADING POWER FACTOR?    1  826
explain how hunting can be reduced in an alternators?    3  1620
A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?    0  154
i wasted one year for the job after completed my btech what can i say about 1year time in interview infotech   0  216
which one is rotating transformer-single phase induction motor or 3 phase squirrel cage motor?    1  504
describe the phenomena of vacuum interruption in C.B    0  128
CAn any one can tell me what is the operation of ceiling fan and how it will start    2  490
what is the reactive power what is the use of it in system    0  162
what is the function of LBB relay    7  5301
What Factors should we consider while synchronizing two DG Sets?    5  1393
Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?    0  310
Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?    1  334
why dc is not given to transformer    4  806
Where to use pt and where to use CVT    2  569
why generator is design for lagging P.F(power factor)?    3  1321
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Un-Answered Questions
 
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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases voltage A does not alter B decreases C increases D none of above 110
1.how many types of relays? 2.difference between ATS& STS? 166
What is partial discharge in power cable? 161
If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference? 151
what about SAP/MRP regarding manufacturing of electric motors and all drives? 210
PLease anyone can tell me CTUM-15 specification? 907
what is interference 86
How you will determine the volume of oil in a particular Distribution transformer. 146
I have 150/1A Rating CT Suppose if i inject 15A in CT " Secondary" means what will happen ?????? 140
i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula 223
Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP. 2423
what is broken conductor indication 13
I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field 188
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason? 70
why ct ,cvt should be stored in a vertical position? 155
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