Miniature circuit breaker reclosing controller in low-voltage distributed photovoltaic power supply, and control method thereof

• Main Authors: YANG GEYU, WANG BAOZHU, YUAN JINLI, LIU CUIXIANG, GUO ZHITAO
• Format: Patent
• Language: Chinese; English
• Published: 26.09.2017
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention relates to a miniature circuit breaker reclosing controller in low-voltage distributed photovoltaic power supply, and a control method thereof. the controller comprises a switching power circuit, a 5-V linear voltage-stabilizing circuit, a circuit breaker switching position detection circuit, a system bus voltage detection circuit, a motor driving circuit and a microprocessor, wherein the 5-V linear voltage-stabilizing circuit, the circuit breaker switching position detection circuit, the system bus voltage detection circuit, the motor driving circuit and the microprocessor are connected; the switching power circuit, the 5-V linear voltage-stabilizing circuit and the circuit breaker switching position detection circuit are connected sequentially; the switching power circuit is directly connected with the motor driving circuit. Manual closing operation is omitted; when the voltage of the power supply is abnormal, the circuit breaker is positioned in an opening position, the position does not supp