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The active power filter (APF) has already established itself as a prominent means of addressing harmonic pollution and other power quality issues. Current control of an APF is a key in achieving a good compensation performance. Generally, PI control is used owing to its simplicity and ease of implementation. However, using a proportional resonant (PR) controller can give an added advantage in tracking...
Due to rapid deployments of power electronics in renewable energy sources and new loads, high levels of harmonics causes problems in current distribution systems. This paper presents an advanced harmonic extraction technique for detecting and extracting selected harmonics in a medium-voltage high-power system. A time-transformation technique is developed which can accurately extract the desired harmonics...
This paper analyzes the impact of using a series capacitor (SC) on voltage stability issues caused by the high penetration of wind energy in a transmission network. Voltage stability during normal operation, voltage sag characteristics, and low voltage ride through (LVRT) capability, harmonics and flickers produced by fixed-speed wind turbine (FSWT) and doubly-fed induction generator (DFIG) wind farms...
In this paper, the voltage profile and power quality issues of a distribution network with distributed generator (DG) and series compensation are investigated. A doubly-fed induction generator (DFIG)-based DG unit and a series capacitor (SC) and a thyristor-controlled series capacitor (TCSC) are considered for the analysis. Series compensation is implemented to reduce voltage drops in the line and...
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