Why is starter necessary for a three-phase induction motor?
Answer Posted / r.siddharth
At the instant of starting, the rotor is stationary, thus
slip being unity, the frequency of the rotor emf equals the
supply frequency and the rotor emf induced per phase is
quite large.
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y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..
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