【摘要】 随着分布式光伏渗透率不断提高，配电网面临电压波动与越限等问题，亟需构建含光伏配电网电压变化特性及调节机制的模拟分析与仿真系统，为供配电及新能源等相关试验提供支撑。首先，在分析有源配电网电压变化及其调节机理的基础上，设计了光伏逆变器电压调节模型、网络拓扑分析模型；其次，设计了10节点及33节点有源配电网动态调压算例模型；最后，开展了分布式电源接入对配电网节点电压的影响分析试验，不同的调压方式对配电网节点电压的影响分析试验，分布式电源接入33节点配电系统中对电压的影响分析试验。试验结果验证了所提模型与系统的可行性和有效性，可为有源配电系统的电压调节分析、模拟及方法验证提供有效的仿真工具。更多还原

【Abstract】 As the penetration rate of distributed photovoltaics continues to increase rapidly, the distribution network is confronted with problems such as voltage fluctuations and over-limit.There is an urgent need to build a simulation analysis and simulation system that includes the voltage variation characteristics and regulation mechanism of photovoltaic distribution networks, to provide support for related experiments in power supply and distribution and new energy.Firstly, based on the analysis of the voltage variation and regulation mechanism of the active distribution network, it designs the voltage regulation model of the photovoltaic inverter and the network topology analysis model.Secondly, it designs dynamic voltage regulation case models of 10-node and 33-node active distribution networks.Finally, it carries out an analysis test on the impact of distributed power source access on the node voltage of the distribution network.Analysis and test on the impact of different voltage regulation methods on the node voltage of distribution networks, and analysis and test on the impact of distributed power sources connected to a 33-node distribution system on voltage.The test results verify the feasibility and effectiveness of the proposed model and system, which can provide an effective simulation tool for the voltage regulation analysis, simulation and method verification of active power distribution systems.更多还原