Answer / suresh l

it is used to disconnect the auxilary winding while the
motor in running position.It is so called because it works
on centrifugal forces

Answer / veeresh kumar.m.

it is used for disconnecting the auxilary(starting)winding
of motor when its speed is reach 75%,that means the
auxilary winding is open in circuit when motor is in
running condition.
it is working on centrifugal force system.

i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

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