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A robust load-sharing control scheme for parallel-connected multisystems | IEEE Journals & Magazine | IEEE Xplore

A robust load-sharing control scheme for parallel-connected multisystems


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 syst...Show More

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.
Published in: IEEE Transactions on Industrial Electronics ( Volume: 47, Issue: 4, August 2000)
Page(s): 871 - 879
Date of Publication: 31 August 2000

ISSN Information:


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