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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
what r the safety measures in UPS ? explain all?
What is gain margin?
difference between high and low impedance BUS BAR relay??
do we use neutral grounding for resistive balanced load? if we use what happen?
what is control supply rating of a machine
What is mean by hot and cold loop testing?
advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor
how are reversing the direction of dc motor
how to electrically make connection to ferroli GN2N?
Explain using drawings what is reverse PID action w.r.t PID controllers.
If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?
how to discharge 3 phase power factor correction capacitors
what are factors to be consider to design a HT & LT motor?
