Modeling and simulation of a single-stage grid-connected photovoltaic system in PSCAD/EMTDC

Pei Qing-lei,Wang Li-guo,Liu Li-Li,Zhang Yi-gong,Haijun Liu

Power Engineering and Automation Conference（2012）

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摘要

This paper makes a detailed analysis of the modeling method for photovoltaic (PV) arrays, maximum power point tracking (MPPT) controller and the power controller in Singlestage grid-connected PV system (SSGCPS). The detailed model of PV arrays is established, the MPPT controller and the power controller are designed under PSCAD/EMTDC environment. At last, the electromagnetic transient model of a 100kW SSGCPS is completed. The simulation results show that the simulation models can reflect characteristics and functions of the actual physical device accurately and can be used to the design and research of big-power PV system.

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关键词

control engineering computing,maximum power point trackers,photovoltaic power systems,power control,power engineering computing,power generation control,power grids,MPPT controller,PSCAD-EMTDC environment,SSGCPS,electromagnetic transient model,maximum power point tracking controller,modeling method,photovoltaic arrays,power 100 kW,power controller,single-stage grid-connected photovoltaic system,MPPT,SSGCPS,detailed model of PV arrays,power control

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