If you live in a cold climate, Motor heater engine block heater can be very useful. It can help to warm the oil, making it easier to start the car in freezing temperatures. This will also help to prevent wear and tear on the engine in extreme temperatures. There are a few things you should know before purchasing one, however.
Motor Heater
Moisture condensation in electric motors can lead to early failure of the motors. The condensation is caused when moisture comes in contact with the cold metal surface and over a long period of time it deteriorates the electric windings. Motor space heaters control the condensation by providing heat to the electrical windings preventing them from contacting with the cold surface. Motor space heaters provide many benefits including warm start-ups, extended bearing life and freeze protection to electric motors.
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The invention provides a motor winding heater that can be integrated into the motor controller to eliminate the need for other separate devices used to heat the motor windings. The heaters are laced into the end turns of the motor windings and are powered by a low voltage that is applied to the terminal blocks of the motor. This is called trickle voltage heating and only causes the motor to rise to a higher temperature, but does not cause the motor to rotate. The motor windings can be heated in a number of ways, such as using a predetermined slow speed pattern available within the SMC or using an adjustable current level input from the user to set a heating level for the heaters.