A robust load-sharing control scheme for parallel-connected multisystems
SCIE
SCOPUS
- Title
- A robust load-sharing control scheme for parallel-connected multisystems
- Authors
- Hur, N; Nam, K
- Date Issued
- 2000-08
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGI
- Abstract
- Parallel connection of inverters or converters is one useful method for solving the high power requirements. However, a load-sharing problem among parallel-connected systems is not an easy task, since crosstalk may take place among the subsystems. We develop a general methodology for solving the load sharing problem using the master-slave concept. In synthesizing the input to the slave system, we utilize system-dynamics-dependent filters. With the proposed method, we can equally distribute the load, or can give a certain offset (in load) to a specific subsystem. To show the usefulness of the proposed control scheme, we perform a simulation study with two practical systems: a current-balancing control in parallel-connected pulsewidth modulation converters and a speed and tension control for a bridle roll system in a steel mill.
- Keywords
- master-slave concept; parallel-connected multisystems; robust load sharing; system-dynamics-dependent filters
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19893
- DOI
- 10.1109/41.857967
- ISSN
- 0278-0046
- Article Type
- Article
- Citation
- IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, vol. 47, no. 4, page. 871 - 879, 2000-08
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