On the design of power buffer and its applications
Choi, S.S., Wang, X.Y., & Vilathgamuwa, D.M. (2008) On the design of power buffer and its applications. In Proceedings of the Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies (DRPT 2008), IEEE, Nanjuing, China, pp. 2820-2826.
A power electronics-based buffer is examined in which through control of its PWM converters, the buffer-load combination is driven to operate under either constant power or constant impedance modes. A battery, incorporated within the buffer, provides the energy storage facility to facilitate the necessary power flow control. Real power demand from upstream supply is regulated under fault condition, and the possibility of voltage or network instability is reduced. The proposed buffer is also applied to a wind farm. It is shown that the buffer stabilizes the power contribution from the farm. Based on a battery cost-benefit analysis, a method is developed to determine the optimal level of the power supplied from the wind farm and the corresponding capacity of the battery storage system.
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|Item Type:||Conference Paper|
|Keywords:||Battery energy storage system, Power buffer, Power quality , Voltage stability, Wind energy|
|Divisions:||Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2008 by IEEE|
|Deposited On:||28 Aug 2014 00:49|
|Last Modified:||29 Aug 2014 00:59|
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