The invention relates to the technical field of electronics, and discloses a power factor adjustment method and device, vehicle charging equipment and a storage medium, and the method comprises the steps: obtaining the input voltage of an alternating current inputted to a vehicle charger, the charger being used for carrying out the rectification processing of the alternating current, and outputting a direct current; outputting a target sine wave according to the phase and frequency of the input voltage; at least two current components are determined according to the input voltage, the target sine wave and feedback voltage determined based on the direct current, and each current component is obtained through calculation based on at least two data of the input voltage, the target sine wave and the feedback voltage; and determining a reference current based on the at least two current components, and adjusting a power factor of the charger according to the reference current. According to the invention, the stability of the input current is maintained, the input voltage is quickly and dynamically responded, and the self-adaptive adjustment of the power factor is further realized.
本申请涉及电子技术领域,公开了一种功率因素调整方法、装置、车辆充电设备及存储介质,包括:获取输入至车辆充电机的交流电的输入电压,充电机用于对交流电进行整流处理,输出直流电;根据输入电压的相位和频率输出目标正弦波;根据输入电压、目标正弦波和基于直流电确定的反馈电压,确定至少两个电流分量,每一电流分量基于输入电压、目标正弦波和反馈电压三个数据中的至少两个数据计算得到;基于至少两个电流分量确定基准电流,根据基准电流对充电机的功率因素进行调整。本申请实现了在维持输入电流的稳定性的同时,对输入电压的快速动态响应,进一步实现了对功率因素的自适应调节。
Power factor adjustment method and device, vehicle charging equipment and storage medium
功率因素调整方法、装置、车辆充电设备及存储介质
2024-10-22
Patent
Electronic Resource
Chinese
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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