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why there is a fault occurs, if a phase wire touches ground.. and the fault not occurs when we connect a bulb between phase and ground..??
1 3580In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?
TATA,
3200what effect on electrical equipment if PF is gone over 0.996 in leading when provider say that its keep in minimum 0.996lagging
ABB,
3 7287Post New Electrical Engineering Questions
why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?
SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS
Vaccum circuit breaker
Why AC & DC capacitor are use in UPS ??????????????????
explain all the classes with example
A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?
which is the best institute for PLC,SCADA,DCS in hyderabad
Dry type transformers
what should be correct gas pressures to be a 1.5 ac unite
what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?
Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.
what happens when series resonance occurs?
why we used dc supply for field in dg set
In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring
pls,send the previous year written test questions.
