Research on Key Technologies of Connecting Various Distributed Power Sources to Smart Grid

Author:

Guo Xuejian,Liu Yong,Yu Ronghua,Zhang Yintie,Zhang Wei

Abstract

Abstract In order to solve the impact of distributed power supply (DG) access on the fault location and voltage quality of distribution network, the paper combines the characteristics of random fluctuating DG grid connection, and studies a way to use SVG dynamic reactive power compensation to maintain randomness The control strategy of the voltage stability of the fluctuating distributed power supply node, based on the detailed analysis of the determination method of the SVG capacity, a new optimization strategy for the distribution system containing different types of DG is proposed, that is, using the static reactive power generator VG and output-adjustable DG’s own reactive power capacity for fine-tuning control, the use of traditional static compensation device comprehensive adjustment optimization strategy. At the same time, the economic optimization operation model of the distributed energy system is analysed to verify the feasibility of the optimization strategy.

Publisher

IOP Publishing

Subject

General Engineering

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