浙江电力

2022, v.41;No.319(11) 9-16

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高比例光伏发电对浙江电网电力平衡的影响及应对策略
The impact of high-proportion photovoltaic power generation on the power balance of Zhejiang power grid and its countermeasures

张思,杨晓雷,阙凌燕,梁梓杨,郭超
ZHANG Si,YANG Xiaolei,QUE Lingyan,LIANG Ziyang,GUO Chao

摘要(Abstract):

为支撑“双碳”目标的实现,以化石能源为主体的传统电力系统将向以新能源为主体的新型电力系统转变。在此背景下,近年来浙江省光伏发电装机容量快速增长。由于光伏发电具有随机性和波动性的特点,高比例光伏的接入对电力系统的调度运行产生了新的影响及挑战。为此在已有针对光伏发电接入对电力系统影响研究的基础上,总结分析了高比例光伏发电对浙江电网发用电平衡的影响及应对策略。首先,基于浙江电网的特点,从典型负荷曲线、电力供应及光伏发电支撑三方面分析了高比例光伏接入对浙江电网的影响。然后,在已知影响的基础上,从短期和中长期两个时间尺度上阐述了浙江电网面临的相关挑战。最后,给出可适应未来高比例光伏接入环境下光伏有效消纳及保证电力平衡的应对策略。
To help to bring about “carbon peaking and carbon neutrality”,the traditional power system with fossil energy as its mainstay will be transformed into a new power system dominated by new energy. Zhejiang province,against such a background,has seen rapid growth in the installed capacity of photovoltaic power generation. Due to the randomness and fluctuation of photovoltaic power generation,high-proportion photovoltaic power has imposed new impact and challenges on the dispatch and operation of power system. Therefore,based on the existing research on the impact of photovoltaic power generation integration on power system,this paper summarizes and analyzes the impact of photovoltaic power generation on the balance of power generation and consumption in Zhejiang power grid,and the countermeasures as well. First,based on the characteristics of Zhejiang power grid,this paper analyzes the impact of high-proportion photovoltaic power integration on Zhejiang power grid from three aspects:typical load curve,power supply,and photovoltaic power generation support. Then,on the basis of the known impact,the relevant challenges are summarized on the short-term and medium and long-term time scales. Finally,a solution that can adapt to the effective consumption of photovoltaics and ensure the balance of the power system with the integration of high-proportion photovoltaic power in the future is proposed.

关键词(KeyWords): 光伏;浙江电网;电力平衡;高弹性电网
photovoltaics;Zhejiang power grid;power balance;highly-resilient power grid

Abstract:

Keywords:

基金项目(Foundation): 国网浙江省电力有限公司科技项目(5211JX2000K8)

作者(Author): 张思,杨晓雷,阙凌燕,梁梓杨,郭超
ZHANG Si,YANG Xiaolei,QUE Lingyan,LIANG Ziyang,GUO Chao

DOI: 10.19585/j.zjdl.202211002

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