文章摘要
黄鑫,易映萍,范丽君.大功率光伏并网发电系统RTDS的建模与仿真[J].电力系统自动化,2014,38(22):32-37. DOI: 10.7500/AEPS20140330010.
HUANG Xin,YI Yingping,FAN Lijun.RTDS Modeling and Simulation of High-power Grid-connected Photovoltaic Power Generation System[J].Automation of Electric Power Systems,2014,38(22):32-37. DOI: 10.7500/AEPS20140330010.
大功率光伏并网发电系统RTDS的建模与仿真
RTDS Modeling and Simulation of High-power Grid-connected Photovoltaic Power Generation System
DOI:10.7500/AEPS20140330010
关键词: 光伏发电  实时数字仿真器  电流控制器  模拟
KeyWords: photovoltaic power generation  real-time digital simulator (RTDS)  current controller  simulation
上网日期:2014-11-13
基金项目:国家863高技术基金项目(2012AA050206)
作者单位E-mail
黄鑫 上海理工大学光电信息与计算机工程学院上海市 200093 huangx917@sina.com 
易映萍 上海理工大学光电信息与计算机工程学院上海市 200093  
范丽君 上海理工大学光电信息与计算机工程学院上海市 200093  
摘要:
      首先,通过实时数字仿真器(RTDS)的小步长模型和大步长模型构建了100 kW光伏并网发电系统仿真测试平台,包括光伏逆变器、控制器及外接电力系统等。然后,着重介绍了电流控制器的工作原理和RTDS建模方法。最后,基于该平台设计并完成了验证电流控制器控制性能的稳态、暂态仿真实验;同时,对一台实际大功率光伏并网逆变器进行了相同的现场检测试验。通过两种实验结果的对比分析,证明了基于RTDS的大功率光伏并网发电系统测试平台的有效性,说明了其具备在模拟实际工况下对控制器进行研究、分析的能力且可行性较强,具有一定借鉴意义。
Abstract:
      Firstly, a 100 kW grid-connected photovoltaic (PV) power generation system simulation platform including PV inverter, controller and external power system is established by real-time digital simulator (RTDS) big-step models and small-step models. Then, the current controller’s working principle and its RTDS modeling method are described at length. Finally, steady state and transient simulation experiments are designed based on the platform to verify the performance of the current controller, and the same field experiment is carried out for an actual high-power PV grid connected inverter. By the contrast analysis, it is shown that the platform accustomed to the real situation is suitable for analyzing the controllers’ performance.
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