Patent ID: 11894782
Assignee: SANTAK ELECTRONIC (SHENZHEN) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 12:
13. A Cascaded H-bridge (CHB) converter for connection to a three-phase AC power supply, each phase of the CHB converter being provided with n Cascaded H-bridge rectifier circuits, and DC/DC converter circuits and DC/AC inverters corresponding to outputs of each H-bridge rectifier circuit, wherein each H-bridge rectifier circuit is provided with a first AC input terminal, a second AC input terminal, a positive DC output terminal and a negative DC output terminal, four power transistors connected to form a H-bridge structure, and a DC bus capacitor, and
wherein the CHB converter further comprises a control module which controls the power transistors of at least one of the H-bridge rectifier circuits to switch on and off by the PWM method according to claim 1.