A power supply system of a direct-current bidirectional energy storage elevator relates to the technical field of elevator power supplies. Comprising a full-wave rectification unit, a first bus arranged at the output end of the full-wave rectification unit, a unidirectional DC-DC unit arranged at the output end of the first bus, a second bus and an energy storage unit which are connected with the output end of the unidirectional DC-DC unit, and a bidirectional DC-DC unit and a third bus which are connected with the output end of the second bus, the frequency conversion PWM unit and the traction machine are arranged on the third bus; the device is high in practicability, convenient to use, wide in power supply application range, free of influence of external power supply fluctuation on normal operation of the elevator, seamless in power supply switching during power failure, capable of recycling, storing and reusing potential energy, low-carbon and environment-friendly, and has a peak load shifting function.
一种直流双向储能电梯的电源系统,涉及电梯电源技术领域,包括全波整流单元、设于所述全波整流单元输出端的第一母线、设于所述第一母线输出端的单向DC‑DC单元、与所述单向DC‑DC单元输出端相连的第二母线和储能单元、与所述第二母线的输出端相连的双向DC‑DC单元、第三母线、设于第三母线上的变频PWM单元和曳引机;本发明实用性强,使用起来方便,不但电源适用范围广,外界电源波动不影响电梯正常运行,停电时电源无缝切换,而且可以势能回收存储再利用,具有削峰填谷功能,低碳环保。
Power supply system of direct-current bidirectional energy storage elevator
一种直流双向储能电梯的电源系统
15.04.2022
Patent
Elektronische Ressource
Chinesisch
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