The invention discloses a bidirectional multifunctional vehicle-mounted charger technology which comprises a main topological structure, a control circuit module, action modes of a switch tube and the like. The technology can be used for converting alternating-current electric energy on the power grid side into direct-current electric energy, converting direct-current electric energy into alternating-current electric energy and transmitting the alternating-current electric energy to the power grid or independently inverting the alternating-current electric energy to a special load for use, so that bidirectional flow of power is realized; in the power transmission process, the input or output current and the power grid voltage are the same in frequency and phase, the THD of the output or input current can be less than 3%, and the interference of a power converter module on the power grid is effectively reduced; and through intelligent control of double closed loops of a current loop and a voltage loop, the technology can be applied to the field of products such as an energy storage type power supply system or a charger of a high-performance new energy automobile.
本发明公开了一种双向多功能车载式充电机技术,包含主拓扑结构、控制电路模块、开关管的动作方式等;本发明可用于把电网侧的交流电能转换为直流电能,还能够把直流侧电能转换为交流电能输送至电网或独立逆变给专用负载使用,从而实现功率的双向流动;在功率传输过程中输入或输出电流与电网电压同频同相,并能够实现输出或输入电流的THD小于3%,有效了减小了功率变换器模块对电网的干扰;通过电流环和电压环的双闭环的智能控制,可应用在储能型供电系统或高性能新能源汽车的充电机等产品领域中。
Bidirectional multifunctional vehicle-mounted charger technology
一种双向多功能车载式充电机技术
2021-11-16
Patent
Elektronische Ressource
Chinesisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
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