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光伏发电并网系统的仿真建模及对配电网电压稳定性影响

, PP. 241-247

Keywords: 配电网,光伏发电,广义负载,电路模型,电压稳定性

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Abstract:

为掌握光伏发电并网对电压稳定性的影响,首先基于广义负载概念建立光伏发电并网系统(PVGS)统一电路模型,并利用该模型研究了电压稳定性。研究表明广义负载功率波动、功率因数、接入配电网电压等级对电压波动影响较大,提高并稳定并网点功率因数是提高电压稳定性的根本方法。最后对某公司500kWp光伏发电并网系统测试分析,证明了上述结论。

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