Coordinated Optimal Dispatch Considering Operation Flexibility of Hydrogen-Oxygen Dual-cycle System

被引：0
|
作者：
Lyu Y. [1 ]
Yang P. [1 ,2 ]
Dong Z. [1 ]
Liu X. [1 ,3 ]
Li H. [1 ,3 ]
机构：
[1] State Grid Hebei Electric Power Supply Co., Ltd., Shijiazhuang
[2] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing
[3] School of Electrical and Electronic Engineering, North China Electric Power University, Baoding
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2023年 / 47卷 / 15期
关键词：
electric power balance; hydrogen-oxygen dual-cycle; operation flexibility; optimal dispatch; renewable energy;
D O I：
10.7500/AEPS20220808005
中图分类号：
学科分类号：
摘要：
Aiming at the problems of insufficient power balance capacity and lack of regulation flexibility in the power grid with high proportion of renewable energy, a flexible economic optimal dispatch strategy of hydrogen-oxygen dual-cycle for comprehensive regulation of renewable energy and thermal power is proposed. First, the mechanism of hydrogen-oxygen dual-cycle improving regulation capacity of power system operation is introduced, and the model for the flexible regulation characteristics of water electrolytic devices, oxygen-enriched deep-regulation units and gas-fired generators are established. Then, considering the energy storage and flexible load, an flexible economic optimal dispatch model of hydrogen-oxygen dual-cycle for comprehensive regulation of renewable energy and thermal power is established. Through the quantification of load and renewable energy abandonment cost and random fluctuation risk, the comprehensive cost objective function is constructed considering economy and flexibility. Finally, the effectiveness of the hydrogen-oxygen dual-cycle mechanism of improving the system operation and regulation is verified with the modified IEEE 39-bus system. © 2023 Automation of Electric Power Systems Press. All rights reserved.
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页码：91 / 99
页数：8
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