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what is the use of megger? and types
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why we change the direction of winding in rotor ?how we make the north and south pole?
Pls mail me utility & Dg related question with answer
What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?
What is the difference between isolators and electrical circuit breakers?
why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.
how many types of motor can be used in washing machine
WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?
is it necessary to earth the rmu before cutting off the transformer winding?if yes why?
Explain cos(theta) and Sin(theta)
How will polarity test of Dy5 Transformer ?
WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >
What is negative sequence over voltage element?
can we use trip light with bus coupler?
single phase power supply give to separate one steel coup with water, what reaction create
1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?
