The invention provides a bidirectional DCDC power supply and a charging pile. In a topological structure of a main circuit of the bidirectional DCDC power supply, an alternating current side of a first circuit is connected with a primary winding of a transformer, and an alternating current side of a second circuit is connected with a secondary winding of the transformer; and the topological structures of the first circuit and the second circuit are symmetrical relative to the transformer, and the topological structures of the first circuit and the second circuit can be controlled to be equivalent to an inversion circuit or a rectification circuit. Therefore, the equivalent topologies of the two circuits in the main circuit can be controlled according to the specific direction of the main circuit during energy transmission, so that the two circuits are equivalent to an inverter circuit and a rectifying circuit in the corresponding direction respectively, and the main circuit is equivalent to the main circuit of the one-way DCDC power supply in the corresponding direction; and only software control of the main circuit of the one-way DCDC power supply needs to be carried out subsequently, so that the control complexity of the two-way DCDC power supply is reduced.
本申请提供了一种双向DCDC电源和充电桩。在该双向DCDC电源的主电路的拓扑结构中,第一电路的交流侧与变压器的原边绕组相连,第二电路的交流侧与变压器的副边绕组相连;第一电路与第二电路的拓扑结构相对于变压器对称,并且,第一电路和第二电路的拓扑结构均可被控制为等效于逆变电路或整流电路。因此,可以根据该主电路进行能量传输时的具体方向,对其内部两个电路的等效拓扑进行控制,使两者分别等效为相应方向下的逆变电路和整流电路,进而将该主电路等效为相应方向下的单向DCDC电源的主电路,后续仅需要对其进行单向DCDC电源的主电路的软件控制即可,所以该双向DCDC电源的控制复杂程度得以降低。
Bidirectional DCDC power supply and charging pile
一种双向DCDC电源和充电桩
2021-05-28
Patent
Elektronische Ressource
Chinesisch
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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