E3S Web Conf.
Volume 107, 20192019 4th International Conference on Sustainable and Renewable Energy Engineering (ICSREE 2019)
|Number of page(s)||4|
|Section||Power Electronic System|
|Published online||05 July 2019|
Analysis of harmonic resonance mechanism of PV power plant
Qinghai Electric Research Technology Co. Ltd., Xining, China
* Corresponding author: email@example.com
Great amount of PV inverters connected with the PV power plant causes the power system to become electronically power and affects the operation mode of the traditional power system. High-frequency switching characteristics of PV inverters carry a large number of harmonic components, even lead to the harmonic resonance of a multi-machine parallel system. In the paper, based on physical mechanism of power electronics, a high-order model of harmonic impedance of a typical PV power plant is established, and harmonic resonance mechanism in parallel operation of PV power plant is analyzed, as well as key factors.
© The Authors, published by EDP Sciences, 2019
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