Two types of three-phase induction motor parameter symmetry has been adapted from a single phase induction motor Capacitor-run type for use in speed control single phase induction motor because this type of problem with speed control motor is located in the low-frequency will heat up. Torque is reduced and results in a high rise and fall [1] Achieved by removing the capacitor and coil provides application per cycle to two three-phase induction motor (TPIM) Supply voltage to both coils, different phase angles are 90 degrees using the inverter 3 branches.
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