山东大学 硕士学位论文 基于SCADA的电压无功全网优化分布式控制系统 姓名：李石清 申请学位级别：硕士 专业：软件工程 指导教师：洪晓光 20091010
山东大学 硕士学位论文 基于SCADA的电压无功全网优化分布式控制系统 姓名：李石清 申请学位级别：硕士 专业：软件工程 指导教师：洪晓光 20091010
山东大学硕士学位论文 摘要 基于SCADA的电压无功全网优化分布式控制系统是一种分布式的电压无功 优化控制系统，通过调度自动化SCADA系统采集全网各节点遥测、遥信等实时 数据进行在线分析和计算，在确保电网与设备安全运行的前提下，以各节点电压 合格、关口功率因数为约束条件，从全网角度进行电压无功优化控制，实现无功 补偿设备投入合理和无功分层就地平衡与稳定电压，实现主变分接开关调节次数 最少和电容器投切最合理、电压合格率最高和输电网损率最小的综合优化目标。 本系统借助调度自动化系统的“四遥”功能，利用计算机技术和网络技术，通过 SCADA系统自动执行操作命令，从而实现对电网内各变电所的有载调压装置和 无功补偿设备的集中监视、集中管理和集中控制，实现了对地区电网电压无功优 化运行闭环控制。 本文首先对系统的目标和解决的问题进行概要分析，对系统的功能性需求和 非功能性需求进行了详细的描述，并对系统需求以流程图和用例图的形式来详细 说明。 在需求分析的基础上，对系统架构设计的目标和原则进行描述，并通过网络 架构、逻辑架构、物理架构三个方面对系统架构设计进行分析。技术架构主要考 虑系统的可扩展性，可维护性以及性能问题，采用多层次架构设计，并对各层的 功能进行了设计分析。在功能架构设计中，讨论了系统各部分的功能组成，最后 给出一个动态的系统功能流程。 在系统的详细设计中，本文着重于系统的软件设计，涉及了软件的特点、开 发与运行平台、软件的模块设计、V℃类的设计、界面的设计、优化计算和流程 设计，最后对系统的配置数据库、历史数据库和实时数据库进行设计。 在系统的实现与测试一章中，对系统功能进行测试论证并对系统的实现提供 理论依据，并得出本文以及本系统的结论。 综上所述，该系统对于电网电压无功的优化和实时分布自动控制有显著效 果，达到了保持系统电压稳定，提高电压合格率，降低配网线损和提高峰值负荷
山东大学硕士学位论文 摘要 基于SCADA的电压无功全网优化分布式控制系统是一种分布式的电压无功 优化控制系统，通过调度自动化SCADA系统采集全网各节点遥测、遥信等实时 数据进行在线分析和计算，在确保电网与设备安全运行的前提下，以各节点电压 合格、关口功率因数为约束条件，从全网角度进行电压无功优化控制，实现无功 补偿设备投入合理和无功分层就地平衡与稳定电压，实现主变分接开关调节次数 最少和电容器投切最合理、电压合格率最高和输电网损率最小的综合优化目标。 本系统借助调度自动化系统的“四遥”功能，利用计算机技术和网络技术，通过 SCADA系统自动执行操作命令，从而实现对电网内各变电所的有载调压装置和 无功补偿设备的集中监视、集中管理和集中控制，实现了对地区电网电压无功优 化运行闭环控制。 本文首先对系统的目标和解决的问题进行概要分析，对系统的功能性需求和 非功能性需求进行了详细的描述，并对系统需求以流程图和用例图的形式来详细 说明。 在需求分析的基础上，对系统架构设计的目标和原则进行描述，并通过网络 架构、逻辑架构、物理架构三个方面对系统架构设计进行分析。技术架构主要考 虑系统的可扩展性，可维护性以及性能问题，采用多层次架构设计，并对各层的 功能进行了设计分析。在功能架构设计中，讨论了系统各部分的功能组成，最后 给出一个动态的系统功能流程。 在系统的详细设计中，本文着重于系统的软件设计，涉及了软件的特点、开 发与运行平台、软件的模块设计、VC类的设计、界面的设计、优化计算和流程 设计，最后对系统的配置数据库、历史数据库和实时数据库进行设计。 在系统的实现与测试一章中，对系统功能进行测试论证并对系统的实现提供 理论依据，并得出本文以及本系统的结论。 综上所述，该系统对于电网电压无功的优化和实时分布自动控制有显著效 果，达到了保持系统电压稳定，提高电压合格率，降低配网线损和提高峰值负荷
山东人学硕士学位论文 时发配电设备的利用效率的目的。 关键词：SCADA系统、电压无功优化、分布式控制终端
山东大学硕士学位论文 时发配电设备的利用效率的目的。 关键词：SCADA系统、电压无功优化、分布式控制终端 II
山东大学硕士学位论文 ABSTRACT SCADA-based optimization of the whole network of distributed voltage and reactive power control system is a distributed control system voltage and reactive power optimization,through the dispatch automation SCADA systems capture the whole network each node telemetry,remote real-time data on-line analysis and calculations,in the to ensure the safe operation of power network and equipment, under the premise of each node voltage pass mark for the power factor constraints, from the perspective of the entire network for optimal control of voltage and reactive power,reactive power compensation equipment,inputs to achieve a reasonable and non-hierarchical local power balance and stabilize the voltage to achieve main transformer tap-changing times for at least the most reasonable and capacitor switching, voltage compliance rates and the minimum transmission power loss rate of the overall optimization goal.With this system dispatching automation system,"four remote" function,using computer technology and network technology,through the SCADA system to automatically perform operations command,in order to achieve the grid substations within the OLTC and the concentration of reactive power compensation equipment monitoring,centralized management and centralized control of regional power grid voltage and reactive power to achieve optimal operation of closed-loop control. In this paper,the system objectives and solutions to issues of profiling,the system's functional requirements and non-functional requirements are described in detail,and system requirements in order to flow chart and use case diagram in the form in detail. On the demand based on the analysis of the system architecture design objectives and principles are described,and through network architecture,logical structure, physical structure of three aspects of the system architecture design for analysis. Technical Architecture major consideration system scalability,maintainability and n
山东大学硕士学位论文 ABSTRACT SCADA—based optimization of the whole network of distributed voltage and reactive power control system is a distributed control system voltage and reactive power optimization，through the dispatch automation SCADA systems capture the whole network each node telemetry，remote real—time data on—line analysis and calculations，in the to ensure the safe operation of power network and equipment， under the premise of each node voltage pass mark for the power factor constraints， from the perspective of the entire network for optimal control of voltage and reactive power，reactive power compensation equipment，inputs to achieve a reasonable and non—hierarchical local power balance and stabilize the voltage to achieve main transformer tap—changing times for at least the most reasonable and capacitor switching， voltage compliance rates and the minimum transmission power loss rate of the overall optimization goal．With this system dispatching automation system，”four remote” function，using computer technology and network technology，through the SCADA system to automatically perform operations command，in order to achieve the grid substations within the OLTC and the concentration of reactive power compensation equipment monitoring，centralized management and centralized control of regional power grid voltage and reactive power to achieve optimal operation of closed-loop contr01． In this paper,the system objectives and solutions to issues of profiling，the system’S functional requirements and non-functional requirements are described in detail，and system requirements in order to flow chart and use case diagram in the form in detail． On the demand based on the analysis of the system architecture design objectives and principles are described，and through network architecture，logical structure， physical structure of three aspects of the system architecture design for analysis． Technical Architecture major consideration system scalability，maintainability and III
山东大学硕士学位论文 performance issues,using multi-level architecture design,and functionality of each layer of the design and analysis.In the functional structure of design,discuss the functions of various parts of the system composition,and finally gives a dynamic flow system functions. The detailed design of the system,this article focuses on system software design, the characteristics of the software involved in the development and operation of platforms,software module design,VC class design,interface design,and system process design,the last of the system configuration database,historical database and real-time database design In the system implementation and testing of a chapter,the test demonstrated the system functionality and provide a theoretical basis for the realization of the system and draw the conclusions of this article,as well as the system. To sum up,the system voltage and reactive power optimization for power distribution automation and real-time significant results achieved to maintain system voltage stability,improve the voltage qualification rate and reduce line losses and improve the distribution network peak load power distribution equipment,the use of hair efficiency. Key word:SCADA systems,Voltage and Reactive Power Optimization Distributed Control Terminal IV
performance issues，using multi-level architecture design，and functionality of each layer of the design and analysis．In the functional structure of design，discuss the functions of various parts of the system composition，and finally gives a dynamic flow system functions． The detailed design of the system，this article focuses on system software design， the characteristics of the software involved in the development and operation of platforms，software module design，VC class design，interface design，and system process design，the last of the system configuration database，historical database and real-time database design． In the system implementation and testing of a chapter，the test demonstrated the system functionality and provide a theoretical basis for the realization of the system and draw the conclusions of this article，as well as the system． To sum up，the system voltage and reactive poweroptimization for power distribution automation and real—time significant results achieved to maintain system voltage stability，improve the voltage qualification rate and reduce line losses and improve the distribution network peak load power distribution equipment，the use of hair efficiency． IV Key word：SCADA systems、Voltage and Reactive Power Optimization、 Distributed Control Terminal