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논문 기본 정보

자료유형
학술저널
저자정보
Jia-qiang Yang (Zhejiang University) Lei Yang (Zhejiang University) Zi-peng Su (Zhejiang University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.17 No.3
발행연도
2017.5
수록면
798 - 810 (13page)

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This paper presents a combined system of a small-capacity inverter and multigroup delta-connected thyristor switched capacitors (TSCs). The system is referred to as a hybrid static compensator (HSC) and has the functions of dynamic reactive power compensation and harmonic suppression. In the proposed topology, the load reactive power is mainly compensated by the TSCs. Meanwhile the inverter is meant to cooperate with TSCs to achieve continuous reactive power compensation, and to filter the harmonics generated by nonlinear loads and the TSCs. First, the structure and mathematical model of the HSC are discussed Then the control method of the HSC is presented. An improved reduced order generalized integrator (ROGI)-based selective current control method is adopted in the inverter to achieve high-performance reactive and harmonic current compensation. Meanwhile, a switch control strategy is proposed to implement precise and fast switching of the TSCs and to avoid changing the time delay needed by the conventional switch strategy. Experiments are implemented on a 20 KVA HSC prototype and the obtained results verify the validity of the proposed HSC system.

목차

Abstract
I. INTRODUCTION
II. HSC CONTROL SYSTEM AND MATHEMATICAL MODEL
III. CURRENT CONTROL METHOD
IV. SWITCH CONTROL STRATEGY
V. EXPERIMENTAL RESULTS AND ANALYSIS
VI. CONCLUSIONS
REFERENCES

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