Influence of Microgrid Containing Wind Photovoltaic and Storage on Power Grid Security and Stability Using DIgSILENT
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摘要: [目的] 风力发电、太阳能发电等可再生能源由于其随机性和间歇性等特点严重影响电力系统的稳定性。为此,文章从系统侧角度研究风光储微电网系统对电网的安全稳定影响分析。 [方法] 首先,在DIgSILENT软件下搭建风机、光伏、储能装置及微电网的电网仿真模型,然后对其进行稳态及机电暂态计算,提出相应的稳控策略。 [结果] 通过对采取的稳定控制策略进行归纳总结,提出分布式电源、储能装置控制策略及整个微电网系统控制策略制定的一般性原则。 [结论] 研究成果可为微电网工程的控制策略制定提供借鉴和参考。Abstract: [Introduction] Considering randomness and intermittency of wind power generation, solar power generation and other renewable energy seriously affect the stability of power system, influence of micro grid containing wind, photovoltaic and storage on power grid security and stability is researched in this paper. [Method] First, wind system, photovoltaic system and the concrete microgrid network simulation model were established using DIgSILENT, and then steady-state and electromechanical transient calculations were carried out and corresponding control strategies were proposed. [Result] In the end, the general principles of control strategies about distributed generation, storage device and overall micro-grid system were proposed. [Conclusion] This research result provides some guidance for control strategies for micro-grid.
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Key words:
- wind power generation /
- solar power generation /
- micro-grid /
- stability
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