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

Claim 1:
2. The PWM method according to claim 1, wherein each H-bridge rectifier circuit comprises a first leg formed by connecting the power transistors T1 and T2 in series, and a second leg formed by connecting the power transistors T3 and T4 in series, wherein a node formed between the power transistors T1 and T2 is connected to the first AC input terminal of the H-bridge rectifier circuit, and a node formed between the power transistors T3 and T4 is connected to the second AC input terminal of the H-bridge rectifier circuit, and the first leg, the second leg and the DC bus capacitor are connected in parallel between the positive DC output terminal and the negative DC output terminal of the H-bridge rectifier circuit.