作　　者： (陆鼎堃）;

机构地区： 北京博鼎诚工程设计有限公司广州分公司,广东广州510000 广东寰球广业工程有限公司,广东广州510665

出　　处： 《电器与能效管理技术》 2017年第16期39-43,共5页

摘　　要： 为了提高逆变型分布式电源对本地负载电压调整的效果,分析了逆变型分布式电源的并网控制策略。考虑到逆变器主要通过发出或吸收无功功率来调整本地负载的电压,结合逆变器功率控制与可变电感来调整本地负载电压,提出了一种可变电感控制策略。建立模型并进行仿真试验,对比多种情况下的本地负载电压调整效果,验证了所提策略的有效性。 In order to improve the local load voltage regulation effect of inverter interfaced distributed generator,the grid-connected control strategy of inverter interfaced distributed generator was analyzed.Considering the inverter regulated local load voltage mainly by sending or absorbing reactive power,and this strategy will be affected by line impedance.Variable inductance can be added to the line to improve the effect of voltage regulation.Combining the power control of inverter and variable inductor to regulate the voltage of local load,a variable inductor control strategy was proposed.It built the model and simulated the case.The simulation result verifies the effectiveness of this voltage regulation strategy and variable inductor control strategy.

关 键 词： 分布式电源 本地负载 电压调整 可变电感 功率控制