Construction Method of an Operating Reserve System for East China Power Grid Oriented to New Power Systems

doi:10.16183/j.cnki.jsjtu.2021.273

Abstract

Abstract:

In order to further enhance the active power regulation capacity of East China power grid, this paper analyzes the necessity of constructing an operation reserve system of East China power grid under the new power systems construction from the aspects of receiving end characteristics, new energy development, net load fluctuation, and the demand of power market reform. Furthermore, it proposes an operating reserve proposal system of East China power grid under the new situation based on the status of typical power systems at home and abroad. The suggested operating reserve system reorganizes and revises the principles of reserve classification, response time, and minimum reserve configuration. The results verify the effectiveness of the proposed operating reserve system through the measurement and analysis of the actual operation data of the East China power grid.

Key words: operating reserve, East China power grid, minimum reserve configuration, measurement and analysis

CLC Number:

TM732

HU Hong, CHEN Xinyi, WANG Lifeng, TENG Xiaobi, YAN Zheng, XU Xiaoyuan, WANG Han. Construction Method of an Operating Reserve System for East China Power Grid Oriented to New Power Systems[J]. Journal of Shanghai Jiao Tong University, 2021, 55(12): 1640-1649.

Figures/Tables 9

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运行特征	负荷规模/kW	装机中风光占比/%	电源中直流占比/%
美国PJM电网	1.65×10⁸	1.00	0
英国国家电网	5.20×10⁷	34.39	6
华东电网	3.20×10⁸	13.00	15

备用类型	备用时间	机组来源
正备用	10 min备用	旋转备用:在运机组10 min内可调用的剩余发电容量,暂不包括负荷侧备用容量.
		在运机组、具备快速启动能力的机组(包括有足够水能储备的未开水电、未开抽蓄机组)、储能装置或符合要求的负荷侧资源10 min内可调用的容量.
	30 min备用	不受燃料制约的火电机组剩余容量,有足够水能储备的水电机组、抽蓄机组容量,以及经省市政府批准的负荷备用容量.
负备用	—	在运机组下调容量、可紧急停机的在运水电与抽蓄机组及有足够库容储备的、可转入抽水状态的备用抽蓄机组容量.

区别项	2014年管理规定	建议改进体系
正备用类型	旋转备用、30 min备用	10 min备用(含旋转备用)、30 min备用
备用来源	旋转备用:已运行机组剩余发电量	见表2
最小备用配置原则	旋转备用:不小于最大单机容量和最大直流双极送电功率之和,且不小于全网预测最高负荷的2%	见2.2节

华东四省一市及其直属机组	旋转备用/ kW	10 min备用/ kW	30 min备用/ kW
华东直属机组	6.330×10⁵	1.253×10⁶	1.089×10⁶
上海	8.440×10⁵	1.670×10⁶	1.000×10⁶
江苏	2.292×10⁶	4.538×10⁶	1.126×10⁶
浙江	1.785×10⁶	3.534×10⁶	1.250×10⁶
安徽	1.285×10⁶	2.545×10⁶	1.350×10⁶
福建	1.160×10⁶	2.298×10⁶	1.089×10⁶
华东电网	7.999×10⁶	1.5838×10⁷	6.904×10⁶

日期	时段	80%置信度	85%置信度	90%置信度	95%置信度	99%置信度	最大值
所有日期	96时段	4.8125×10⁶	5.8661×10⁶	7.8635×10⁶	1.21964×10⁷	2.33779×10⁷	4.01139×10⁷
	早峰	5.9607×10⁶	7.7656×10⁶	1.02507×10⁷	1.65159×10⁷	2.91794×10⁷	3.28416×10⁷
	午峰	7.2715×10⁶	9.7699×10⁶	1.30242×10⁷	1.67823×10⁷	3.46783×10⁷	4.01139×10⁷
	晚峰	5.4412×10⁶	6.7313×10⁶	9.0171×10⁶	1.16404×10⁷	2.64579×10⁷	3.25310×10⁷
	全部高峰	6.0345×10⁶	8.0475×10⁶	1.06782×10⁷	1.55732×10⁷	2.91794×10⁷	4.01139×10⁷
工作日	早峰	4.6653×10⁶	5.4070×10⁶	8.7662×10⁶	1.35283×10⁷	1.98473×10⁷	3.17492×10⁷
	午峰	4.9790×10⁶	6.4575×10⁶	1.19200×10⁷	1.60555×10⁷	2.00904×10⁷	3.57108×10⁷
	晚峰	4.8018×10⁶	5.5800×10⁶	6.7313×10⁶	1.03573×10⁷	1.77144×10⁷	3.25310×10⁷
	全部高峰	4.8617×10⁶	574.10×10⁶	8.7224×10⁶	1.36674×10⁷	1.97899×10⁷	3.57108×10⁷