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Zero-Voltage Ride-Through Capability of a Transformerless Back-To-Back System Using Modular Multilevel Cascade Converters for Power Distribution Systems
- Source :
- IEEE Transactions on Power Electronics. 31(No. 4):2730-2741
- Publication Year :
- 2016
- Publisher :
- IEEE, 2016.
-
Abstract
- This paper focuses on the zero-voltage ride-through (ZVRT) capability of a transformerless back-to-back (BTB) system intended for installation on a power distribution system with many distributed power generators. The BTB system consists of two modular multilevel cascade converters based on double-star chopper cells (MMCC-DSCC) and their ac sides are connected to a common ac mains via ac-link inductors. This paper provides an experimental discussion on the DSCC-based BTB system under voltage sags by using a three-phase 200-V 10-kW downscaled system. Experimental results show that the BTB system is equipped with ZVRT capability without causing any overvoltage and/or overcurrent even under the most severe voltage sags.
- Subjects :
- Engineering
Switched-mode power supply
business.industry
020209 energy
020208 electrical & electronic engineering
Electrical engineering
Distributed power
02 engineering and technology
Power factor
Voltage optimisation
Converters
Overcurrent
Chopper
Overvoltage
0202 electrical engineering, electronic engineering, information engineering
Electronic engineering
Electrical and Electronic Engineering
business
Subjects
Details
- Language :
- English
- Volume :
- 31
- Issue :
- No. 4
- Database :
- OpenAIRE
- Journal :
- IEEE Transactions on Power Electronics
- Accession number :
- edsair.doi.dedup.....9405df487c069ca2066422693fd8e121