High-speed and safe AC overvoltage protector
An overvoltage protector and safe technology, applied in the protection of overvoltage response, automatic disconnection emergency protection device, emergency protection circuit device, etc., can solve the problems of poor reliability, complex circuit, slow action, etc.
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[0012] exist figure 1 In the embodiment, we take the implementation of a high-speed and safe AC overvoltage protector as an example to further illustrate the present invention:
[0013] figure 1 It is a circuit schematic diagram of a high-speed and safe AC overvoltage protector of the present invention. Let us take the production of an overvoltage protector with a rectified output of 300 watts as an example to describe in detail. The electric input terminal, the switch 3 is a load switch, the load 4 is an ordinary electrical equipment, which can be a lamp, a motor, an electric furnace and other electrical appliances, the load terminal 5 is connected to one end of the load, and the detection rectifier bridge 6 is a 600V, 0.5A patch rectifier The bridge is composed of four rectifier diodes inside, a total of four terminals, two are AC terminals, one is connected to the live wire, one is connected to the neutral wire, and the other two terminals are positive output terminals and...
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