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"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
A synchronous motor requires a field connection. Do you see some kind of field control? The rated speed on the nameplate may also be an indicator; for example a synchronous motor might have a rated speed of 3600, 1800, 1200 rpm, as compared to an induction motor were the same speeds will be a little smaller, say 3450, 1740, 1120 rpm.
When the motor runs, does the speed ever vary with changing load? Yes? - Then induction.
Unless your motor is very large, it is likely an induction motor.
water pump
Re: water pump
