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一种用于两级并网光伏系统的无传感器功率储备控制策略

A Sensorless Power Reserve Control Strategy for Two-Stage Grid-Connected PV Systems

语言:

中文摘要

随着光伏并网渗透率提升,电网对有功功率控制提出了更高要求。本文提出了一种低成本的两级并网光伏系统功率储备控制策略,无需额外传感器即可实现光伏阵列的有功功率预留,以满足电网调峰调频等辅助服务需求。

English Abstract

Due to the still increasing penetration of grid-connected photovoltaic (PV) systems, advanced active power control functionalities have been introduced in grid regulations. A power reserve control, where namely the active power from the PV panels is reserved during operation, is required for grid support. In this paper, a cost-effective solution to realize the power reserve for two-stage grid-conn...
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SunView 深度解读

该技术对阳光电源的组串式逆变器(SG系列)具有极高应用价值。在当前全球电网对光伏电站提出调峰调频及功率预留要求的背景下,该无传感器控制策略无需增加硬件成本,即可提升逆变器在iSolarCloud平台下的智能化调度能力。建议研发团队将其集成至新一代组串式逆变器控制算法中,以增强产品在弱电网环境下的电网支撑能力,并进一步优化光伏电站的经济效益。