| 摘要 |
A circuit is for providing the industrial equipment with the constant power supply by preventing the instantaneous interruption. The circuit comprises a rectifier for rectifying the voltage from a transformer, a triangular wave generator, a constant voltage controller for producing the constant voltage signal by means of comparing the triangular wave signal with the output of a reference voltage provider, and an instantaneous interruption preventor including a converter, an inverter and a multiplexer.
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