Load sparking protection circuit of solid-state modulator

• Main Authors: DU HUI, ZHOU YINGHUAI, CHANG SHUANGQUAN, DENG CHANGCHUN
• Format: Patent
• Language: Chinese; English
• Published: 19.06.2020
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The embodiment of the utility model provides a load sparking protection circuit of a solid-state modulator, and relates to the technical field of solid-state modulators. The load sparking protection circuit comprises a load sparking protection circuit, the circuit is connected in parallel between a driving pulse signal of a controllable switch and a trigger end of the controllable switch, and comprises a current detection unit, a switch unit, an energy storage capacitor and a voltage-regulator tube, one output end of the current detection unit is connected with the voltage-regulator tube in series and then connected to the trigger end or output end of the switch unit, and the other output end of the current detection unit is connected to the output end or trigger end of the switch unit; the input end and the output end of the switch unit are connected to the trigger end of the controllable switch in parallel, and the energy storage capacitor is connected to the trigger end and the output end of the switch uni