Conference proceeding
A new type of STATCOM based on cascading voltage source inverters with phase-shifted unipolar SPWM
Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242), v 2, pp 1447-1453 vol.2
1998
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Abstract
In this paper, a new type of STATCOM is proposed. This new STATCOM is constructed by cascading several identical full bridge (H bridge) voltage source inverters (VSI). A so called phase-shifted SPWM unipolar voltage switching scheme is applied to control the switching devices of each VSI. The harmonics in STATCOM current caused by the DC voltage ripple are rejected by a new method developed in this paper. As a result, the size of inductor and DC capacitors can be further reduced. A very effective startup procedure is proposed to start up the STATCOM. The proposed STATCOM has the advantages of a reduced number of VSIs; the VSIs being identical and extremely fast in response to reactive power change.
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Details
- Title
- A new type of STATCOM based on cascading voltage source inverters with phase-shifted unipolar SPWM
- Creators
- Yiqiao Liang - CEGELEC Autom., Pittsburgh, PA, USAC.O NwankpaIEEE
- Publication Details
- Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242), v 2, pp 1447-1453 vol.2
- Publisher
- IEEE
- Resource Type
- Conference proceeding
- Language
- English
- Web of Science ID
- WOS:000077337200199
- Other Identifier
- 991019318924804721
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- Web of Science research areas
- Engineering, Electrical & Electronic