统一潮流控制器在南京电网的应用研究

发布时间：2018-05-22 19:42

本文选题：统一潮流控制器(UPFC) + 南京西环网　；参考：《华北电力大学》2017年硕士论文

【摘要】：统一潮流控制器(UPFC)是新型柔性交直流输电系统(FACTS)的一种多功能电力电子器件,集数种柔性交直流器件的控制功能于一体,其应用标志着FACTS技术发展新的高度。UPFC装置具有快速灵活调控电网中潮流(有功和无功电力)、节点电压、系统阻抗和功角的功能,可实现交流电网中的快速有功和无功调节。本文结合拟于2016年江苏省南京市投产的统一潮流控制器(UPFC)示范工程,从前期电网规划和工程设计过程中提炼和升华。首先剖析了南京220千伏西环网输电瓶颈,结合实际提出多种解决方案,从可行性研究角度采取经济和技术综合比较,验证UPFC具备有效潮流调节控制功能,可以解决南京西环网瓶颈问题,论证了中国第一套UPFC示范工程的必要性和可行性。利用中国电科院开发的电力系统综合分析程序(PSASP),通过用户自定义接口(UD),在理论分析基础上,建立统一潮流控制器的稳态数学模型。利用含UPFC稳态模型的输电网架进行潮流计算分析,综合多种规划和工程建设情景下,多边界条件设定方式下整个南京地区电网潮流控制调节需求,对UPFC示范工程主要设备的额定容量进行优化选择,为工程可行性研究设计和UPFC示范工程的建设提供重要的参数选择,也为未来更多类似工程中UPFC主要设备容量选择探索设计和分析思路。
[Abstract]:The unified power flow controller (UPFC) is a multifunctional power electronic device for a new flexible HVDC transmission system (facts), which integrates the control functions of several kinds of flexible AC / DC devices. Its application marks the development of a new height. UPFC device with the functions of fast and flexible control of power flow (active and reactive power, node voltage, system impedance and power angle) in AC power network, and can realize fast active and reactive power regulation in AC network. In this paper, the UPFC demonstration project, which will be put into production in Nanjing, Jiangsu Province in 2016, is used to refine and sublimate the UPFC from the process of power network planning and engineering design. Firstly, this paper analyzes the transmission bottleneck of Nanjing 220kV West Loop Network, and puts forward various solutions combined with the practice. From the angle of feasibility study, the comprehensive comparison of economy and technology is adopted to verify that UPFC has effective power flow regulation and control function. The bottleneck problem of Nanjing West Ring Network can be solved, and the necessity and feasibility of the first UPFC demonstration project in China are demonstrated. The steady mathematical model of unified power flow controller is established on the basis of theoretical analysis by using the power system comprehensive analysis program developed by the Chinese Academy of Electrical Science (CAS) and the user defined interface (UDX). The power flow calculation and analysis of transmission grid frame with UPFC steady-state model is carried out. Under various planning and engineering construction scenarios, the power flow control and regulation requirements of the whole Nanjing area power grid under multi-boundary condition setting mode are integrated. The rated capacity of main equipment in UPFC demonstration project is optimized, which provides important parameter selection for feasibility study and design of engineering and construction of UPFC demonstration project. It also explores the design and analysis ideas for the capacity selection of UPFC main equipment in more similar projects in the future.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TM761.12

【参考文献】