Wide-Area Distributed Photovoltaic Power Generation Monitoring and Output Estimation

doi:10.11930/j.issn.1004-9649.201912164

Abstract

Abstract: In order to accurately evaluate the impact of photovoltaic output on the operation of power system, get the real-time data of distributed generation, and provide the real-time operation status of power grid for dispatching decision-making, the wide area distributed photovoltaic power generation monitoring and output estimation are studied in this paper. Firstly, a distributed photovoltaic integrated information modeling method for global power estimation is proposed, and a wired and wireless panoramic monitoring for wide area distributed photovoltaic power generation is realized; Secondly, the research on distributed photovoltaic output characteristics under different scenarios is carried out. With insight on the impact of scenarios including component types, installation methods, geographical locations, light resource distribution and terrain conditions on distributed photovoltaic output, the aggregation analysis on distributed photovoltaic output is carried out and the global output estimation method is proposed; Thirdly, a system for aggregation analysis on wide area distributed photovoltaic power generation and estimation of photovoltaic global output is developed and applied as demonstration in the provincial dispatching center.

Key words: wide-area, distributed photovoltaic, power generation monitoring, output estimation, system research and development

PEI Zheyi, LIANG Zhifeng, LU Weihua, LI Xintong, WANG Zhenhao. Wide-Area Distributed Photovoltaic Power Generation Monitoring and Output Estimation[J]. Electric Power, 2020, 53(6): 87-96.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201912164

https://www.electricpower.com.cn/EN/Y2020/V53/I6/87

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