Examlex
____________________ systems use a spark igniter (direct spark ignition) or a silicon carbide igniter (hot surface ignition) to light the main gas burner directly.
Induction Motors
A type of electric motor that operates on the principle of electromagnetic induction, where the rotation of the motor is caused without direct electrical connection to the rotor.
Variable-frequency Drive
A system used to control the speed of an electric motor by varying the frequency and voltage supplied to the electric device.
Motor Controller
A device that regulates the performance of an electric motor by varying parameters such as voltage and current.
PWM
Pulse Width Modulation, a technique used to control the amount of power delivered to an electrical device by varying the duty cycle of a pulse signal.
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