Energy Management Strategy of Stand-alone Photovoltaic System in Cathodic Protection Pipeline
作者： J. Javidan
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摘要: In this paper, the stand-alone photovoltaic system for cathodic protection of underground pipelines is presented. The proposed offers continuous and automatic adjustment applied voltage so that buried receive exact current. A modified perturb observe (P&O) algorithm maximum power point tracking (MPPT) used to improve dynamic steady state performance. battery stores excess energy generated by PV array supplies load when there a shortage of photo voltaic (PV) power. To extend lifetime efficiency, connected DC link a ZVS bidirectional Buck-Boost converter. classic PI controller regulates output controlling duty cycle supervisor controls converter operate in suitable modes based on charge (SOC) voltage. simulation verified obtains constant under any climatic conditions.
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