Equivalent Modeling Research and Application of Typical Grid Connected Photovoltaic Power Station

doi:10.3969/j.issn.1000-7229.2015.08.019

Abstract

Abstract:

Due to different disturbance conditions, the transient control strategy of photovoltaic power generation system is different, even for the same fault disturbance, because there are many types of inverters in photovoltaic power station and there control parameters are also different. In order to study the transient characteristics of large-scale photovoltaic power station, and avoid constructing detailed model for every kind of inverter, the equivalent model of photovoltaic power station needed to be established under disturbance. The equivalent models of photovoltaic phalanx group and photovoltaic inverter group were set up by using multiplier method. Through using the test data of photovoltaic power station simulation in Qinghai Haixi, the simulation validation and error analysis show that the proposed equivalent modeling method and mathematical model for photovoltaic inverter group are valid.

Key words: grid connected photovoltaic power station, inverter, equivalent modeling, simulation

CLC Number:

TM 615

LI Chunlai，WANG Jing，YANG Libin. Equivalent Modeling Research and Application of Typical Grid Connected Photovoltaic Power Station[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(8): 114-121.

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