Some recent results on the design of power quality control center

Some results obtained on the design of power quality control center (PQCC) are described. The Center, consisting of two back-to-back power converters, a DC-bus and a solid-oxide fuel cell (SOFC) distributed generator, provides varied levels of power quality services to meet the load requirements. Ba...

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Bibliographic Details
Main Authors: Zhan, Y.Q., Li, Y.H., Choi, S.S., Rajakaruna, S., Vilathgamuwa, D.M.
Format: Conference Proceeding
Language:English
Subjects:
distributed generator
Distributed power generation
fuel cell
Fuel cells
Load flow
Power electronics
Power generation
Power quality
Power Quality Control Center
Power system stability
series compensator
unbundled power quality
Voltage control
Voltage fluctuations
voltage sag
Wind energy generation
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Description
Summary:Some results obtained on the design of power quality control center (PQCC) are described. The Center, consisting of two back-to-back power converters, a DC-bus and a solid-oxide fuel cell (SOFC) distributed generator, provides varied levels of power quality services to meet the load requirements. Based on the concept of feasible operating area of the SOFC, it is shown that the ability of the PQCC to accommodate instantaneous power demand change is constrained. A feasible PQCC operating scheme is then proposed. It exploits fully the ability of the converters and the SOFC to respond to external disturbances. Furthermore, by incorporating a series compensator into the PQCC, it is shown that load ride-through capability under voltage disturbance conditions can be extended considerably. Two possible PQCC-SC structures have been considered and simulation results are used to illustrate the efficacy of the proposed schemes
ISSN:1947-1262
1947-1270
DOI:10.1109/IPEC.2005.206922