电力系统自动化Issue(3)：8-13,26,7.DOI:10.7500/AEPS20150508015
直流跨区互联电网发输电计划模型与方法
Model and Methods of Generation and Transmission Scheduling of Inter-regional Power Grid via HVDC Tie-line
摘要
Abstract
A highly efficient physical platform is provided by inter-regional high voltage direct current (HVDC) tie-line for large-range cross-region clean energy accommodation and resources allocation.The cross-regional coordinative optimization potential of power resources can be tapped and the accommodation capability of clean energy improved if complementary characteristics of power supply structure and system load of each region are well utilized.To this end,a generation and transmission scheduling mode of inter-regional power grid via HVDC tie-line is proposed based on the two-level “state-province" system operation pattern.In this mode,the transmission power of HVDC tie-line is viewed as cross-regional coordinative variable while generator scheduling is optimized inside each region.A mathematical model of generation and transmission scheduling mode of inter-regional power grid via HVDC tie-line is developed with various practical operation constraints taken into account,including the HVDC flexible adjustment constraints,tie-line daily transaction energy limit and tie-line power profile stair-like requirement.An inter-regional marginal-units-identification method guided by HVDC tie-line power is addressed to enhance the solving efficiency of the proposed largescale mixed integer programming model.A case study is conducted using the real world load profile of a provincial power grid to validate the effectiveness of the proposed mode, model and method.关键词
高压直流输电/跨区互联电网/发输电计划/协调优化/可再生能源消纳Key words
high voltage direct current (HVDC) transmission/inter-regional power grid/generation and transmission scheduling/coordinated optimization/renewable energy accommodation引用本文复制引用
王斌,夏叶,夏清,张慧玲,韩红卫..直流跨区互联电网发输电计划模型与方法[J].电力系统自动化,2016,(3):8-13,26,7.基金项目
国家科技支撑计划资助项目(2013BAA01B02) （2013BAA01B02）
国家电网公司科技项目(5229NX15002B)。This work is supported by National Key Technologies R&D Program of China (No.2013BAA01B02) and State Grid Corporation of China(5229NX15002B) （5229NX15002B）
