Design and Implementation of an Active Power Conditioner with Optimal Power Flow Control Strategy
Date Issued
2014
Date
2014
Author(s)
Chen, Yen-Fu
Abstract
This thesis proposes an optimal power flow control strategy to regulate the power flow of a three-phase back-to-back (BTB) converter. The proposed optimal power flow control consists of the optimal ac-line current regulation strategy and the dynamic dc-bus voltage regulation strategy. With the optimal ac-line current regulation strategy, the appropriate input current can be determined quickly to stabilize the dc-bus voltage of the BTB converter. The dynamic dc-bus voltage regulation strategy can alter the reference of the dc-bus voltage to prevent triggering of the DC voltage protection mechanism when an abrupt power change of the BTB converter occurs. The proposed BTB converter can be adopted as an active power conditioner to improve the power quality of the AC micro-grids. The active power conditioner with the proposed optimal power flow control strategy can regulate the power flow between different AC micro-grids accurately. Finally, experimental results measured from a prototype circuit are presented to demonstrate the performances of the optimal power flow control strategy.
Subjects
微電網
背靠背轉換器
主動式電力調節器
功率潮流
Type
thesis
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