电力专业英语5--变电站综合自动化

1、电气工程学院45-2 变电站综合自动化： Integrated Substation Automation45-3Substation Automation prior to 90s Substation automation: the creation of a highly reliable, self healing power system that rapidly responds to real time events with appropriate actions, ensures to maintain uninterrupted power services to the

2、end users. 变电站（综合）自动化：以创建高可靠性，自愈变电站（综合）自动化：以创建高可靠性，自愈的电力系统。能够通过必要的控制措施，快速响的电力系统。能够通过必要的控制措施，快速响应实时事件，保证对用户的不间断供电。应实时事件，保证对用户的不间断供电。45-4变电站设备变电站设备 主变压器：主变压器：main transformer 母线母线: busbar 断路器断路器: circuit breaker 电压电压/电流互感器电流互感器: voltage/current transformer 无功补偿装置无功补偿装置: reactive compensation 电容器组：电容器组

3、：capacitor banks 电力电子器件：静止无功补偿设备电力电子器件：静止无功补偿设备STATCOM，SVC，TCSC 测量表计测量表计 保护，自动装置，保护，自动装置，SCADA45-5 Functions:Protection relays for transformers, busbars, out-feeds,Station control, metering and displaySCADA 功能：功能： 变压器保护，母线保护，线路（出线）保护变压器保护，母线保护，线路（出线）保护 站控设备，表计，显示站控设备，表计，显示 SCADA45-6变电站照片主控室照片经测量装置测量

4、经测量装置测量去显示去显示45-745-8PowerWorld Visualization in 40,000 MW TVA Control Room45-9Definition of Substation Automation Obtain supervisory control and data acquisition (SCADA) at the substation. The substations function and operation can be monitored and controlled from a remote location. Communication c

5、an be made via modem, high-speed communication lines, and fiber optic cables. 实现实现SCADA功能（数据采集和监视控制）功能（数据采集和监视控制） 可以远方实现站内功能和操作的监视和控制。可通过可以远方实现站内功能和操作的监视和控制。可通过高速通信信道或光纤实现站间及与调度的通信高速通信信道或光纤实现站间及与调度的通信45-10 Use microprocessor-based relays to perform online monitoring and control operations. 使用数字式保护（或

6、称为微机保护）实现使用数字式保护（或称为微机保护）实现监视和控制监视和控制 Digital protection45-11 Convert the traditional switchboard look to a graphical user interface (GUI) accessible through the station PC. 将传统的操作盘转换为可以通过站控计算机操作将传统的操作盘转换为可以通过站控计算机操作的图形交互接口的图形交互接口45-12 GUI uses various sensors to collect performance and condition in

7、formation on essential station equipment and stores the information for future reference. GUI通过各种传感器采集站内设备的实时运行信通过各种传感器采集站内设备的实时运行信息，并可实现信息存储。息，并可实现信息存储。Practical Applications in China three projects45-14Legacy substation automationCircuit breakerSubstation automation systemElectromagnetic voltage/c

8、urrent transformer35kV substationLegacy传统传统 45-15Digital substation automationCircuit breakerIEDElectronic voltage/current transformer35kV substationIntelligent electronic devices智能测控装置智能测控装置45-16IED Collect information of circuit breaker and switches position and send them to the relays. 采集变电站和开关的位

9、置信息，送至采集变电站和开关的位置信息，送至保护装置保护装置 Receive trip/close commands from relays to control the circuit breaker 从保护接收跳闸从保护接收跳闸/合闸命令，控制断路合闸命令，控制断路器器 Installation: outside the control room and close to the circuit breaker安装在安装在室外断路器附近（节省电缆投资）室外断路器附近（节省电缆投资）35kV substation45-17 The IED also enabled redundant equ

10、ipment to be eliminated, as multiple functions were integrated into a single piece of equipment. For example, when interfaced to the potential transformers and current transformers of an individual circuit, the IED could simultaneously handle protection, metering and remote control. 采用采用IED，可以消除功能重复

11、的设备，因为多种功能集，可以消除功能重复的设备，因为多种功能集成在同一个设备里。例如：当与某线路的电压变换器成在同一个设备里。例如：当与某线路的电压变换器和电流变换器接口时，和电流变换器接口时，IED可以同时实现保护，计量和可以同时实现保护，计量和远程控制所需的实时测量。远程控制所需的实时测量。ConfigurationBay level间隔层间隔层Process level过程层过程层Optic fiberControl center within the substationODS-385 differentialODS-375 backupODS-316 transmission lin

12、e protectionODS-326 protection for capacity banksOptic fiberOptic fiberOptic fiberSubstation level变电站层变电站层35kV substation45-19Control center (communication management)控制中心（通信管理器）控制中心（通信管理器） Communication with dispatching center与调度中心通信与调度中心通信 Interface with equipments from other manufactures与其他生产与其他生

13、产厂家的设备接口厂家的设备接口 Local interface 提供本地接口，提供本地接口，术语称为：当地功能术语称为：当地功能35kV substation45-2045-21110kV substationSubstation levelCommunication managementLocal interfaceData processing A1DIKO 6200Data processing A1DIKO 6200Bay levelInterface with the t h i r d p a r t y (protocol)Data Acquisition ADIKO 6800 GPSData Acquisition BDIKO 6800Synchronizat