Personal Homepage

Personal Information

MORE+

Degree:Doctoral Degree in Engineering
School/Department:College of Automation Engineering

谢少军

+

Education Level:南京航空航天大学

Paper Publications

Submodule with Shoot-Through Ability for Modular Multilevel Converters Adopting Clamping and Energy Transfer Circuits
Date of Publication:2019-04-25 Hits:

Affiliation of Author(s):自动化学院
Journal:Diangong Jishu Xuebao
Abstract:To improve the reliability of the modular multilevel converters (MMC), a new submodule (SM) topology with shoot-through ability is proposed, which is composed of the clamping circuit, energy transfer circuit and half-bridge circuit. The clamping circuit ensures the stability of the SM voltage, and the energy transfer circuit guarantees the energy balance flowing into and out the SM. The new topology not only has the shoot-through ability and the self-balancing ability, but also does not require a capacitor voltage balance control strategy. It greatly improves the reliability, simplifies the system structure, and reduces the calculation. The circuit topology, operation principle and control method of the novel SM are presented. Based on a five-level single-phase MMC prototype, the feasibility of the proposed SM topology is verified. It has been demonstrated that some SMs are shoot-through and the AC circulate current is small without suppression strategy. © 2019, Electrical Technology Press Co. Ltd. All right reserved.
ISSN No.:1000-6753
Translation or Not:no
Date of Publication:2019-04-25
Co-author:Xu, Kunshan
Correspondence Author:xsj
Date of Publication:2019-04-25