Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM
This paper examines the application of a diodeclamped multilevel inverter (DCMLI)-based distribution static compensator (DSTATCOM) connected to a three-phase, four-wire (3p4w) distribution system. The DCMLI has an inherent unbalancing problem among its dc capacitor voltages. Additionally, when the l...
| Main Authors: | , , |
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| Format: | Journal Article |
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IEEE Power Engineering Society
2008
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| Online Access: | http://hdl.handle.net/20.500.11937/10183 |
| _version_ | 1848746162072322048 |
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| author | Shukla, A. Ghosh, Arindam joshi, A. |
| author_facet | Shukla, A. Ghosh, Arindam joshi, A. |
| author_sort | Shukla, A. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | This paper examines the application of a diodeclamped multilevel inverter (DCMLI)-based distribution static compensator (DSTATCOM) connected to a three-phase, four-wire (3p4w) distribution system. The DCMLI has an inherent unbalancing problem among its dc capacitor voltages. Additionally, when the load contains a dc part, the neutral point of the compensator also becomes unbalanced. In this paper, the effects of different loading conditions on the dc capacitor voltages of the inverter are studied. Two new control circuits are proposed for equalizing the capacitor voltages. Different control techniques are presented for the equalizing circuits. Equations of the proposed equalizing controllers are developed corresponding to the control of the switching devices. Comparative studies of different controltechniques and the performances of the two controllers are performed. Simulation studies are performed using PSCAD/EMTDC to validate the efficacy of the proposed equalizing controller circuits. |
| first_indexed | 2025-11-14T06:28:52Z |
| format | Journal Article |
| id | curtin-20.500.11937-10183 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T06:28:52Z |
| publishDate | 2008 |
| publisher | IEEE Power Engineering Society |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-101832017-02-28T01:31:59Z Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM Shukla, A. Ghosh, Arindam joshi, A. This paper examines the application of a diodeclamped multilevel inverter (DCMLI)-based distribution static compensator (DSTATCOM) connected to a three-phase, four-wire (3p4w) distribution system. The DCMLI has an inherent unbalancing problem among its dc capacitor voltages. Additionally, when the load contains a dc part, the neutral point of the compensator also becomes unbalanced. In this paper, the effects of different loading conditions on the dc capacitor voltages of the inverter are studied. Two new control circuits are proposed for equalizing the capacitor voltages. Different control techniques are presented for the equalizing circuits. Equations of the proposed equalizing controllers are developed corresponding to the control of the switching devices. Comparative studies of different controltechniques and the performances of the two controllers are performed. Simulation studies are performed using PSCAD/EMTDC to validate the efficacy of the proposed equalizing controller circuits. 2008 Journal Article http://hdl.handle.net/20.500.11937/10183 IEEE Power Engineering Society restricted |
| spellingShingle | Shukla, A. Ghosh, Arindam joshi, A. Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM |
| title | Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM |
| title_full | Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM |
| title_fullStr | Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM |
| title_full_unstemmed | Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM |
| title_short | Control schemes for DC capacitor voltages equalization in diode-clamped multilevel inverter-based DSTATCOM |
| title_sort | control schemes for dc capacitor voltages equalization in diode-clamped multilevel inverter-based dstatcom |
| url | http://hdl.handle.net/20.500.11937/10183 |