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why 15 kw motor winding resistance is low then 5 kw motor winding resistance?
What is reactive power and where it is used.
IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.
How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.
Why do power lines not short out when they fall into water?
why to use freewheeling diode ( diode in revers bias mode) across dc coil
Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.
Starting current of a 10 HP induction Motor is ______ time’s full load current.
what are the factors to be considered while design the breaker either HT or LT??
what is the voltages using in movie theaters??? why ??why not other??
what happened when we supply a dc current in dc motor?? can it worked properly?
can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?
Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?
how power is generated,and transmitted to our home..pls explain briefly in simple words.
What is the dc grounding system and what is diff between AC/DC grounding system?
