New triple-action controller for inverter power quality improvement
Harmonic distortion is a crucial power quality (PQ) issue especially in microgrids. Distributed energy resources employ either synchronous generator or voltage source inverter to interface microsource with loads. This paper presents the analysis of the proportional resonant (PR) controller along wit...
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| Veröffentlicht in: | Computers & electrical engineering 2020-01, Vol.81, p.106543, Article 106543 |
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| container_title | Computers & electrical engineering |
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| creator | Salem, Amgad El-Sayed Salim, Omar M. Arafa, Shawky I. |
| description | Harmonic distortion is a crucial power quality (PQ) issue especially in microgrids. Distributed energy resources employ either synchronous generator or voltage source inverter to interface microsource with loads. This paper presents the analysis of the proportional resonant (PR) controller along with a selective harmonic compensator (SHC) for a stand-alone distributed generation inverter. Furthermore, a new improved triple-action controller (TAC) design is proposed and implemented. The proposed TAC consists of a conventional PR along with SHC, in addition to, a feed-forward current controller to achieve seamless sinusoidal voltage. This mitigate not only the total harmonic distortion (THD) but also individual harmonics to a level below the stated in IEEE/IEC standards. Moreover, optimize the TAC parameters to ensure its best performance. A comparative study of harmonic effects for various load-types are introduced. The voltage regulation and THD mitigation improved the power factor and efficiency, hence, it improved the PQ of the system. |
| doi_str_mv | 10.1016/j.compeleceng.2019.106543 |
| format | Article |
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Distributed energy resources employ either synchronous generator or voltage source inverter to interface microsource with loads. This paper presents the analysis of the proportional resonant (PR) controller along with a selective harmonic compensator (SHC) for a stand-alone distributed generation inverter. Furthermore, a new improved triple-action controller (TAC) design is proposed and implemented. The proposed TAC consists of a conventional PR along with SHC, in addition to, a feed-forward current controller to achieve seamless sinusoidal voltage. This mitigate not only the total harmonic distortion (THD) but also individual harmonics to a level below the stated in IEEE/IEC standards. Moreover, optimize the TAC parameters to ensure its best performance. A comparative study of harmonic effects for various load-types are introduced. 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| ispartof | Computers & electrical engineering, 2020-01, Vol.81, p.106543, Article 106543 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Comparative studies Control systems design Control theory Controllers Distributed energy resources (DER) Distributed generation Electric potential Energy sources Feedforward control Harmonic distortion Inverters Power efficiency Power factor Power quality (PQ) Proportional resonant (PR) Selective harmonic compensator (SHC) Total harmonic distortion (THD) Voltage |
| title | New triple-action controller for inverter power quality improvement |
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