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Reactive Power Compensation and Harmonic Suppression of Distribution Network

Author: WangLianFu
Tutor: XiaoJun
School: Tianjin University
Course: Proceedings of the
Keywords: Distribution network Harmonic suppression Reactive power compensation Distribution static synchronous compensator Accuracy Reliability Parameter selection
CLC: TM761
Type: Master's thesis
Year: 2007
Downloads: 623
Quote: 6
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Abstract


Harmonic suppression and reactive power compensation of distribution network is a relatively new research and practice areas, with the increasing demands for power quality , this area is increasingly attracted the attention of the electricity staff . Since the static synchronous compensator ( STATCOM ) Static Var Compensator ( SVC ) has a fast response, improve the effect of voltage transient stability and low harmonic content STATCOM applications has rapidly extended from the transmission grid to the distribution network distribution static synchronous compensator (DSTATCOM), DSTATCOM represents the distribution network harmonic suppression and reactive power compensation technology development . This paper focuses on the design and application of the direct current control DSTATCOM study , the main contents are as follows : 1 , DSTATCOM design , aspects converter topology , using two different types of routing phase bridge power electronic devices combination of new structure, while using the time-sharing processing technology-driven devices in parallel , such a design to improve the accuracy and reliability of the basic unit of the converter output . To improve the real-time detection accuracy of the reactive current park transform voltage and current detection method (ie id - iq method ) to replace the the required PLL ip - iq method . Application of power electronic simulation software PSIM6.0 based on the new topology DSTATCOM run the simulation , the simulation results proved the correctness and effectiveness of the new topology and the corresponding measurement and control methods . DSTATCOM applications DSTATCOM parallel with the capacitor applications that the capacitive mixed DSTATCOM DSTATCOM parameter selection method and serial reactor capacitor parameter selection method , and gives the corresponding instance .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Automatically adjusts
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