Steady state frequency response of STATCOM

The paper develops analytical expressions for the admittances and impedances of a static synchronous compensator (STATCOM) as a function of frequency. The expressions include the conventional positive and negative sequence admittance as well as transfer admittances where a positive sequence current...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2001-01, Vol.16 (1), p.18-23
Main Authors: Mohaddes, M., Gole, A.M., Elez, S.
Format: Article
Language:English
Subjects:
Admittance
Automatic voltage control
Capacitors
Electrical impedance
Exact solutions
Frequency response
Impedance
Mathematical analysis
Reactive power
Static VAr compensators
Steady state
Switches
Synchronous
Thyristors
Voltage
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Summary:The paper develops analytical expressions for the admittances and impedances of a static synchronous compensator (STATCOM) as a function of frequency. The expressions include the conventional positive and negative sequence admittance as well as transfer admittances where a positive sequence current generates a negative sequence voltage at another frequency. These results are then corroborated using the tool of electromagnetic transients simulation. The expressions are shown to be valid for six-pulse as well as higher pulse number configurations. The impact of the STATCOM's control system on the admittance is also investigated.
ISSN:0885-8977
1937-4208
DOI:10.1109/61.905574