Method and apparatus for controlling magnetically actuated power switching device
A switching device, a technology for controlling power supply, applied in measurement devices, electromagnetic relays, circuits, etc., can solve problems such as the inability to control the speed of the starter to open or close, waste of energy, etc.
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[0020] The invention provides a power switch control device and a method thereof, so as to control a magnetic actuator in the power switch device. Accordingly, the power switch control device of the present invention is suitable for providing a series of modulated current pulses to control (eg open and close) a magnetic actuator in a power switch device. Magnetic actuators in power switching gear are controlled by using a series of modulated current pulses. In one embodiment of the present invention, the power switch control device is an automatic switch controller, and the power switch device is an automatic switch.
[0021] Additionally, in one embodiment of the invention, the operating characteristics of the magnetic starter in the power switching device are determined by observing the impedance of the magnetic starter coil. From this, the armature position of the magnetic starter can be determined. Alternatively, the physical state of the magnetic starter coil can be det...
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