電力專業(yè)英語(yǔ)5--變電站綜合自動(dòng)化

1、45-1 電氣工程學(xué)院 45-2 變電站綜合自動(dòng)化： Integrated Substation Automation 45-3 Substation 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

2、 to the end users. 變電站（綜合）自動(dòng)化：以創(chuàng)建高可靠性，自愈變電站（綜合）自動(dòng)化：以創(chuàng)建高可靠性，自愈 的電力系統(tǒng)。能夠通過(guò)必要的控制措施，快速響的電力系統(tǒng)。能夠通過(guò)必要的控制措施，快速響 應(yīng)實(shí)時(shí)事件，保證對(duì)用戶的不間斷供電。應(yīng)實(shí)時(shí)事件，保證對(duì)用戶的不間斷供電。 45-4 變電站設(shè)備變電站設(shè)備 主變壓器：主變壓器：main transformer 母線母線: busbar 斷路器斷路器: circuit breaker 電壓電壓/電流互感器電流互感器: voltage/current transformer 無(wú)功補(bǔ)償裝置無(wú)功補(bǔ)償裝置: reactive compensati

3、on 電容器組：電容器組：capacitor banks 電力電子器件：靜止無(wú)功補(bǔ)償設(shè)備電力電子器件：靜止無(wú)功補(bǔ)償設(shè)備STATCOM，SVC， TCSC 測(cè)量表計(jì)測(cè)量表計(jì) 保護(hù)，自動(dòng)裝置，保護(hù)，自動(dòng)裝置，SCADA 45-5 Functions: Protection relays for transformers, busbars, out-feeds, Station control, metering and display SCADA 功能：功能： 變壓器保護(hù)，母線保護(hù)，線路（出線）保護(hù)變壓器保護(hù)，母線保護(hù)，線路（出線）保護(hù) 站控設(shè)備，表計(jì)，顯示站控設(shè)備，表計(jì)，顯示 SCADA 45-

4、6 變電站照片 主控室照片 經(jīng)測(cè)量裝置測(cè)量經(jīng)測(cè)量裝置測(cè)量 去顯示去顯示 45-7 45-8 PowerWorld Visualization in 40,000 MW TVA Control Room 45-9 Definition 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 remot

5、e location. Communication can be made via modem, high-speed communication lines, and fiber optic cables. 實(shí)現(xiàn)實(shí)現(xiàn)SCADA功能（數(shù)據(jù)采集和監(jiān)視控制）功能（數(shù)據(jù)采集和監(jiān)視控制） 可以遠(yuǎn)方實(shí)現(xiàn)站內(nèi)功能和操作的監(jiān)視和控制。可通過(guò)可以遠(yuǎn)方實(shí)現(xiàn)站內(nèi)功能和操作的監(jiān)視和控制?？赏ㄟ^(guò) 高速通信信道或光纖實(shí)現(xiàn)站間及與調(diào)度的通信高速通信信道或光纖實(shí)現(xiàn)站間及與調(diào)度的通信 45-10 Use microprocessor-based relays to perform online monitoring and

6、control operations. 使用數(shù)字式保護(hù)（或稱為微機(jī)保護(hù)）實(shí)現(xiàn)使用數(shù)字式保護(hù)（或稱為微機(jī)保護(hù)）實(shí)現(xiàn) 監(jiān)視和控制監(jiān)視和控制 Digital protection 45-11 Convert the traditional switchboard look to a graphical user interface (GUI) accessible through the station PC. 將傳統(tǒng)的操作盤轉(zhuǎn)換為可以通過(guò)站控計(jì)算機(jī)操作將傳統(tǒng)的操作盤轉(zhuǎn)換為可以通過(guò)站控計(jì)算機(jī)操作 的圖形交互接口的圖形交互接口 45-12 GUI uses various sensors to col

7、lect performance and condition information on essential station equipment and stores the information for future reference. GUI通過(guò)各種傳感器采集站內(nèi)設(shè)備的實(shí)時(shí)運(yùn)行信通過(guò)各種傳感器采集站內(nèi)設(shè)備的實(shí)時(shí)運(yùn)行信 息，并可實(shí)現(xiàn)信息存儲(chǔ)。息，并可實(shí)現(xiàn)信息存儲(chǔ)。 45-13 Practical Applications in China three projects 45-14 Legacy substation automation Circuit breaker Substati

8、on automation system Electromagnetic voltage/current transformer 35kV substation Legacy傳統(tǒng)傳統(tǒng) 45-15 Digital substation automation Circuit breaker IED Electronic voltage/current transformer 35kV substation Intelligent electronic devices 智能測(cè)控裝置智能測(cè)控裝置 45-16 IED Collect information of circuit breaker and

9、switches position and send them to the relays. 采集變電站和開關(guān)的位置信息，送至采集變電站和開關(guān)的位置信息，送至 保護(hù)裝置保護(hù)裝置 Receive trip/close commands from relays to control the circuit breaker 從保護(hù)接收跳閘從保護(hù)接收跳閘/合閘命令，控制斷路合閘命令，控制斷路 器器 Installation: outside the control room and close to the circuit breaker安裝在安裝在 室外斷路器附近（節(jié)省電纜投資）室外斷路器附近（節(jié)省

10、電纜投資） 35kV substation 45-17 The IED also enabled redundant equipment 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 ha

11、ndle protection, metering and remote control. 采用采用IED，可以消除功能重復(fù)的設(shè)備，因?yàn)槎喾N功能集，可以消除功能重復(fù)的設(shè)備，因?yàn)槎喾N功能集 成在同一個(gè)設(shè)備里。例如：當(dāng)與某線路的電壓變換器成在同一個(gè)設(shè)備里。例如：當(dāng)與某線路的電壓變換器 和電流變換器接口時(shí)，和電流變換器接口時(shí)，IED可以同時(shí)實(shí)現(xiàn)保護(hù)，計(jì)量和可以同時(shí)實(shí)現(xiàn)保護(hù)，計(jì)量和 遠(yuǎn)程控制所需的實(shí)時(shí)測(cè)量。遠(yuǎn)程控制所需的實(shí)時(shí)測(cè)量。 45-18 Configuration Bay level 間隔層間隔層 Process level 過(guò)程層過(guò)程層 Optic fiber Control center w

12、ithin the substation ODS-385 differential ODS-375 backup ODS-316 transmission line protection ODS-326 protection for capacity banks Optic fiberOptic fiberOptic fiber Substation level 變電站層變電站層 35kV substation 45-19 Control center (communication management)控制中心（通信管理器）控制中心（通信管理器） Communication with dis

13、patching center與調(diào)度中心通信與調(diào)度中心通信 Interface with equipments from other manufactures與其他生產(chǎn)與其他生產(chǎn) 廠家的設(shè)備接口廠家的設(shè)備接口 Local interface 提供本地接口，提供本地接口， 術(shù)語(yǔ)稱為：當(dāng)?shù)毓δ苄g(shù)語(yǔ)稱為：當(dāng)?shù)毓δ?35kV substation 45-20 45-21 110kV substation Substation level Communication management Local interface Data processing A1 DIKO 6200 Data processing A1 DIKO 6200 Bay level Interface with the t h i r d p a r t y (protocol) Data Acquisition A DIKO 6800 GPSData Acquisition B DIKO 6800 Synchronization Process lev