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Power Quality Improvement in Solar Energy Conversion System Integrated to Weak AC Grid
https://orcid.org/http://orcid.org/0000-0002-7535-3949
Solar energy conversion system (SECS) operation becomes strenuous when it is integrated into a weak distribution AC grid and feeds local nonlinear loads. Distorted/unbalanced point of common coupling (PCC) voltages create challenges in SECS, such as loss of synchronism and inferior power quality. These power quality issues are intensified if power drawn by local loads from SECS contains harmonics components. This work confronts these issues in SECS and introduces a control algorithm to revamp its performance. Presented SECS adjusts its generated currents to maintain power quality in AC network. A variable step-size (VSS)-least mean square (LMS) adaptive algorithm is presented to deal with challenges confronted in SECS due to distorted AC voltages and load currents. It filters distorted PCC voltages and load currents and evaluates their fundamental components. Then, obtained fundamental voltages and generalized integrator are utilized to resolve synchronization issues. This arrangement eliminates phase-locked loop (PLL) requisite to synchronize SECS with AC grid, simplifying designed control structure. A thorough analysis of developed control algorithm is done here on designed simulation model and experimental setup for SECS.
Power Quality Improvement in Solar Energy Conversion System Integrated to Weak AC Grid
https://orcid.org/http://orcid.org/0000-0002-7535-3949
Solar energy conversion system (SECS) operation becomes strenuous when it is integrated into a weak distribution AC grid and feeds local nonlinear loads. Distorted/unbalanced point of common coupling (PCC) voltages create challenges in SECS, such as loss of synchronism and inferior power quality. These power quality issues are intensified if power drawn by local loads from SECS contains harmonics components. This work confronts these issues in SECS and introduces a control algorithm to revamp its performance. Presented SECS adjusts its generated currents to maintain power quality in AC network. A variable step-size (VSS)-least mean square (LMS) adaptive algorithm is presented to deal with challenges confronted in SECS due to distorted AC voltages and load currents. It filters distorted PCC voltages and load currents and evaluates their fundamental components. Then, obtained fundamental voltages and generalized integrator are utilized to resolve synchronization issues. This arrangement eliminates phase-locked loop (PLL) requisite to synchronize SECS with AC grid, simplifying designed control structure. A thorough analysis of developed control algorithm is done here on designed simulation model and experimental setup for SECS.
Power Quality Improvement in Solar Energy Conversion System Integrated to Weak AC Grid
https://orcid.org/http://orcid.org/0000-0002-7535-3949
Solar energy conversion system (SECS) operation becomes strenuous when it is integrated into a weak distribution AC grid and feeds local nonlinear loads. Distorted/unbalanced point of common coupling (PCC) voltages create challenges in SECS, such as loss of synchronism and inferior power quality. These power quality issues are intensified if power drawn by local loads from SECS contains harmonics components. This work confronts these issues in SECS and introduces a control algorithm to revamp its performance. Presented SECS adjusts its generated currents to maintain power quality in AC network. A variable step-size (VSS)-least mean square (LMS) adaptive algorithm is presented to deal with challenges confronted in SECS due to distorted AC voltages and load currents. It filters distorted PCC voltages and load currents and evaluates their fundamental components. Then, obtained fundamental voltages and generalized integrator are utilized to resolve synchronization issues. This arrangement eliminates phase-locked loop (PLL) requisite to synchronize SECS with AC grid, simplifying designed control structure. A thorough analysis of developed control algorithm is done here on designed simulation model and experimental setup for SECS.
Power Quality Improvement in Solar Energy Conversion System Integrated to Weak AC Grid
J. Inst. Eng. India Ser. B
Modi, Gaurav (Autor:in) / Singh, Bhim (Autor:in)
Journal of The Institution of Engineers (India): Series B ; 105 ; 1511-1526
01.12.2024
16 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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