High -power direct current charging circuit

• Main Authors: QIN JIANGHUA, WANG JIANHUI
• Format: Patent
• Language: Chinese; English
• Published: 17.07.2018
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING; VEHICLES IN GENERAL

The utility model provides a high -power direct current charging circuit, includes: an input unit and the 2nd input unit, the voltage -sharing reactor, an input unit and the 2nd input unit are connected with the voltage -sharing reactor, the BUCK unit, the BUCK unit is connected with the voltage -sharing reactor, the output, output and BUCK unit connection. The utility model discloses high -powerdirect current charging circuit is through two way input unit input electric energy and rectification respectively, including battery charging unit in advance in order to carry out the soft start, input high -power BUCK unit transfer circuit after rethread sharing reactor is parallelly connected and carry out DC conversion, can realize the powerful direct current function of charging. 种大功率直流充电电路，包括：第输入单元及第二输入单元；均压电抗器，第输入单元及第二输入单元与均压电抗器连接；BUCK单元，BUCK单元与均压电抗器连接；输出端，输出端与BUCK单元连接。本实用新型大功率直流充电电路通过两路输入单元输入电能和分别整流，包括预充电单元以进行软启动，再通过均流电抗器并联后输入到大功率BUCK单元变换电路进行直流变换，可以实现大功率的直流充电功能。