An induction motor 1, which further comprises a control device for effecting {HEAD ~ the ON/OFF controlling} of {TAIL ~ said first and second connection changing switches} 
of
An induction motor 1 , which further comprises a control device for effecting { HEAD ~ the ON / OFF controlling } of { TAIL ~ said first and second connection changing switches }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL