Harmonic resonance phenomena in STATCOM and relationship to parameters selection of passive components

As an important element of the STATCOM, the passive component plays an indispensable role in the process of active and reactive energy storage and exchange. However the coupling of the AC inductance and DC capacitance may lead to harmonic resonance. In order to investigate its influence on STATCOM p...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2001-01, Vol.16 (1), p.46-52
Main Authors: Shen Dong, Wang Zhonghong, Chen, J.Y., Song, Y.H.
Format: Article
Language:English
Subjects:
Alternating current
Automatic voltage control
Direct current
Electric potential
Harmonics
Inductance
Inverters
Mathematical models
Passive components
Power system analysis computing
Power system harmonics
Power system modeling
Power systems
Power transformers
Resonance
Static VAr compensators
Voltage
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Summary:As an important element of the STATCOM, the passive component plays an indispensable role in the process of active and reactive energy storage and exchange. However the coupling of the AC inductance and DC capacitance may lead to harmonic resonance. In order to investigate its influence on STATCOM performance, a simplified per unit model of STATCOM is developed in this paper. The relationship of the resonant frequency and the magnitudes of resonant AC current and DC voltage to the parameters of passive elements are derived. The good agreements between the analysis and the experimental results show that the model proposed here can be used in the selection of the passive parameters in the design of an actual STATCOM.
ISSN:0885-8977
1937-4208
DOI:10.1109/61.905585