Abstract
Conventional Modular Multilevel Converter (MMC) with Half-Bridge Sub-Modules (HB-SMs) can be used effectively as a solid-state high-voltage pulse generator to chop a high-voltage dc input into a bipolar pulsed output voltage without employing neither high-voltage semiconductor switches nor series-connected switches. Nonetheless, its boosting capability is constrained. In this paper, a hybrid boost MMC-based bipolar high-voltage pulse generator is proposed where each arm contains a combination of Full-Bridge SMs (FB-SMs) and HB-SMs. The HB-SMs and FB-SMs have the same rated voltage. The proposed approach is able to generate bipolar pulses, and operates with a wide range of boosting capability. Detailed illustration of the proposed configuration and its operational concept are presented. Simulation models for the proposed approach are built, for different FB-SMs to HB-SMs ratios, using Matlab/Simulink platform. Experimental results for a scaled-down prototype are presented to validate the concept.
| Original language | English (US) |
|---|---|
| Article number | 8120343 |
| Pages (from-to) | 2873-2880 |
| Number of pages | 8 |
| Journal | IEEE Transactions on Dielectrics and Electrical Insulation |
| Volume | 24 |
| Issue number | 5 |
| DOIs | |
| State | Published - Oct 2017 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 1994-2012 IEEE.
Keywords
- Pulsed power system
- pulse generator
ASJC Scopus subject areas
- Electrical and Electronic Engineering