省级电网全清洁能源供电运行控制技术与应用  

Operation Control Technology and Application of All-clean Energy Power Supply in Provincial Power Grid

作　　者：朱罡 李延和 张真 徐有蕊 ZHU Gang;LI Yanhe;ZHANG Zhen;XU Yourui(State Grid Qinghai Electric Power Company,Xining 810008,China;Electric Power Research Institute of State Grid Qinghai Electric Power Company,Xining 810008,China)

机构地区：[1]国网青海省电力公司,青海西宁810008 [2]国网青海省电力公司电力科学研究院,青海西宁810008

出　　处：《中国电力》2021年第5期195-205,共11页Electric Power

基　　金：国家电网公司总部科技项目(4000-201934205A-0-0-00)。

摘　　要：电力在能源转型中发挥着重要作用,未来能源转型将呈现清洁、低碳、电气化的发展趋势。主要介绍省级电网全清洁能源供电运行控制技术与应用。首先,介绍了电网实现全清洁能源供电面临的技术问题;其次,分析了电网在全清洁能源供电情况下的电力电量平衡方程;再次,基于电网和水电机组出力约束条件,分析调度发电计划优化函数。最后,以青海近三年内成功实现的全清洁能源供电为案例,从工程实践角度分析全清洁能源在省级电网实现的可行性和主要过程,并探讨三次全清洁能源供电在技术和交易模式上的创新。全清洁能源供电的实践与探索对电网提升多能互补协调控制和新能源消纳能力,促进清洁能源发展提供实践经验,也为电网承载新能源革命提供有益的借鉴。Electricity plays an important role in energy transformation.The future energy transformation will show the trend of clean,low carbon and electrification.This paper mainly introduces the operation control technology and application of all-clean energy supply in provincial power grid.Firstly,this paper introduces the technical problems faced by the power grid to achieve all-clean energy supply;secondly,the power and electricity balance equation of the power grid under the condition of all-clean energy supply is analyzed;thirdly,based on the output constraints of the power grid and Hydropower units,dispatching generation scheduling optimization function is analyzed.Finally,taking the clean energy power supply successfully realized in Qinghai Province in recent three years as an example,this paper analyzes the feasibility and main implementation process of the clean energy in the provincial power grid from the perspective of engineering practice,and discusses the innovative connotation of the three clean energy power supply in technology and transaction mode.The practice and exploration of all-clean energy power supply can provide practical experience for improving the multi-energy complementary coordination control and new energy absorption capacity of power grid,promoting the development of clean energy,and providing meaningful reference for the power grid to carry the new energy revolution.

关 键 词：全清洁能源供电 电力电量平衡 发电计划 新能源消纳 调度运行 

分 类 号：TK01[动力工程及工程热物理] TM73[电气工程—电力系统及自动化]