Experimental studies of the effect of a hybrid inverter on power quality
- 作者: Shklyarskiy Y.E.1, Skam'in A.N.1, Vasil'kov O.S.1
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隶属关系:
- Saint Petersburg Mining University
- 期: 卷 15, 编号 3 (2021)
- 页面: 2-9
- 栏目: Articles
- URL: https://ogarev-online.ru/2074-0530/article/view/105541
- DOI: https://doi.org/10.31992/2074-0530-2021-49-3-2-9
- ID: 105541
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The integration of alternative energy sources and various technologies of distributed generation with power electronic converters in electrical networks leads to an increase in the diversity of the network, but at the same time to the tightening of the requirements of various standards, for example, a limited harmonic composition of the generated current, continuous operation of the device with voltage distortion, etc. Taking this fact into account, the paper presents the results of experimental studies of the effect of a hybrid inverter on power quality indicators at the point of common connection. A laboratory bench was developed. It consists of a three-phase hybrid inverter, a storage battery, a linear load in the form of an active resistance and a capacitor unit. The inverter has been connected to the power supply for parallel operation to supply the load in the form of active resistance. The modes of battery charging and power delivery to the network with two variations of the system resistance were investigated. The power output from the inverter varied from 500 W to 2 kW in the mode of generating electricity to the grid, and in the range from 50 to 300 W in the battery charging mode. As a result of laboratory studies, the dependences of the total harmonic current distortion (THDI) were obtained for various operating modes of the inverter and system resistances. On the basis of the obtained results, an algorithm for the selection of methods and means to ensure electromagnetic compatibility during operation of the load and a hybrid inverter with energy storage was developed. It makes it possible to reduce the effect of hybrid inverters on the voltage distortion of the supply network.
作者简介
Ya. Shklyarskiy
Saint Petersburg Mining University
编辑信件的主要联系方式.
Email: s175070@stud.spmi.ru
DSc in Engineering
俄罗斯联邦, Saint PetersburgA. Skam'in
Saint Petersburg Mining University
Email: s175070@stud.spmi.ru
PhD in Engineering
俄罗斯联邦, Saint PetersburgO. Vasil'kov
Saint Petersburg Mining University
Email: s175070@stud.spmi.ru
俄罗斯联邦, Saint Petersburg
参考
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