ImageVerifierCode 换一换
格式:DOC , 页数:13 ,大小:49.54KB ,
资源ID:3013299      下载积分:8 金币
验证码下载
登录下载
邮箱/手机:
验证码: 获取验证码
温馨提示:
支付成功后,系统会自动生成账号(用户名为邮箱或者手机号,密码是验证码),方便下次登录下载和查询订单;
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝    微信支付   
验证码:   换一换

开通VIP
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.zixin.com.cn/docdown/3013299.html】到电脑端继续下载(重复下载【60天内】不扣币)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录   QQ登录  
声明  |  会员权益     获赠5币     写作写作

1、填表:    下载求助     留言反馈    退款申请
2、咨信平台为文档C2C交易模式,即用户上传的文档直接被用户下载,收益归上传人(含作者)所有;本站仅是提供信息存储空间和展示预览,仅对用户上传内容的表现方式做保护处理,对上载内容不做任何修改或编辑。所展示的作品文档包括内容和图片全部来源于网络用户和作者上传投稿,我们不确定上传用户享有完全著作权,根据《信息网络传播权保护条例》,如果侵犯了您的版权、权益或隐私,请联系我们,核实后会尽快下架及时删除,并可随时和客服了解处理情况,尊重保护知识产权我们共同努力。
3、文档的总页数、文档格式和文档大小以系统显示为准(内容中显示的页数不一定正确),网站客服只以系统显示的页数、文件格式、文档大小作为仲裁依据,个别因单元格分列造成显示页码不一将协商解决,平台无法对文档的真实性、完整性、权威性、准确性、专业性及其观点立场做任何保证或承诺,下载前须认真查看,确认无误后再购买,务必慎重购买;若有违法违纪将进行移交司法处理,若涉侵权平台将进行基本处罚并下架。
4、本站所有内容均由用户上传,付费前请自行鉴别,如您付费,意味着您已接受本站规则且自行承担风险,本站不进行额外附加服务,虚拟产品一经售出概不退款(未进行购买下载可退充值款),文档一经付费(服务费)、不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
5、如你看到网页展示的文档有www.zixin.com.cn水印,是因预览和防盗链等技术需要对页面进行转换压缩成图而已,我们并不对上传的文档进行任何编辑或修改,文档下载后都不会有水印标识(原文档上传前个别存留的除外),下载后原文更清晰;试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓;PPT和DOC文档可被视为“模板”,允许上传人保留章节、目录结构的情况下删减部份的内容;PDF文档不管是原文档转换或图片扫描而得,本站不作要求视为允许,下载前自行私信或留言给上传者【精***】。
6、本文档所展示的图片、画像、字体、音乐的版权可能需版权方额外授权,请谨慎使用;网站提供的党政主题相关内容(国旗、国徽、党徽--等)目的在于配合国家政策宣传,仅限个人学习分享使用,禁止用于任何广告和商用目的。
7、本文档遇到问题,请及时私信或留言给本站上传会员【精***】,需本站解决可联系【 微信客服】、【 QQ客服】,若有其他问题请点击或扫码反馈【 服务填表】;文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“【 版权申诉】”(推荐),意见反馈和侵权处理邮箱:1219186828@qq.com;也可以拔打客服电话:4008-655-100;投诉/维权电话:4009-655-100。

注意事项

本文(110kv区域性降压变电所一次专业系统设计外文翻译.doc)为本站上传会员【精***】主动上传,咨信网仅是提供信息存储空间和展示预览,仅对用户上传内容的表现方式做保护处理,对上载内容不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知咨信网(发送邮件至1219186828@qq.com、拔打电话4008-655-100或【 微信客服】、【 QQ客服】),核实后会尽快下架及时删除,并可随时和客服了解处理情况,尊重保护知识产权我们共同努力。
温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载【60天内】不扣币。 服务填表

110kv区域性降压变电所一次专业系统设计外文翻译.doc

1、110 kV substations digital transformation case analysisAbstract This paper briefly introduces the basic concept of digital substation,Analysised substation digitization reconstruction examples based on 110 kV substations. A detailed analysised of the substation secondary equipment such as changes in

2、 operating mode. Digital Substation discussed possible options for reform,and according to the results of the operation of digital substation work out countermeasures and Recommended. Key words digital substation;automation;Electronic TransformerWith automation and computer network traffic monitorin

3、g and protection technology,the rapid development in Past two decades has made substantial progress has been achieved for the digital substation automation system . Network laid the technical foundation for fulfilling the other hand,with the special high-voltage large-capacity .The gradual formation

4、 of large scale grid,the grid stable and reliable control of the safety information exchange ,And put forward higher requirements of the urgent. Digital Substation substation construction will be Trends .1. the characteristics of digital substation The basic features of digital substation can be sum

5、marized as:intelligent primary equipment,secondary equipment network,automated operation and management system. Since the station relative to conventional integrated,digital substation equipment,the protective principle,the internal algorithm,logic has not fundamentally changed,but in sampling digit

6、al,networked communication medium,communication interface standardization brought changes to improve the reliability of substation automation system. Reliability of information transmission can be achieved;secondary wiring is simple;measurement accuracy;share unified information platform,reduce dupl

7、ication of equipment;easy functionality expansion;management automation. 2. 110 kV Substation rehabilitation programs1) a part of. 110kV single busbar sub-main wiring methods,110kV line 3 times,with a standby power source;the main volume into 2 sets of 3 variables;35kV main connection method for the

8、 Single Bus,35kV line 5 back;10kV main connection is a single busbar way,2 sets of capacitors,10kV line 18 back,2 sets of ground change,the replacement of transformers for the electronic,installation of PT parallel combiner;replacement in situ terminal box,installation switches intelligent unit,to a

9、chieve local control switch ;configuration integrated digital protection monitoring devices and digital power meter,equipped with digital standby power source device,care monitoring devices and focus group screen interval of combiner. 2) station control layer. Station control layer consists of a uni

10、ts monitoring host,2 Machines GPS communications management component to form the station control level star network,monitoring the host machine automatically selects the host communication management,communication management unit and the interval as an independent link layer device,and the bay leve

11、l devices communication,access to remote,telemetry data,only the host with the remote authority,communication management unit interval of five anti-blocking cross-sequence and function of small current grounding line,for the interval layer and process layer device when the hard right. 3) spacer. Int

12、erval layer is the core of the station automation,communications related to the implementation of the process level GOOSE 35kV,10kV lines,capacitors,ground change,sub-protective and monitoring local installation;110kV Main Transformer Protection and Control focus group back screen,installed in the c

13、ontrol Room,located optical interface screen,providing the distance to the control room of the optical conversion interface;three sides of the main transformer backup protection one,110kV segmentation and one prepared from the cast;monitoring interface communication,lockout protection association;pr

14、ivate GOOSE network to achieve important,the key trip control,station control layer GOOSE network,to achieve control of auxiliary tripping minor,such as the low cycle load shedding. 4) the process level. Parallel combination provides voltage voltage,the output interval of combiner to provide the vol

15、tage signal;the main transformer and back of each side of the differential transformer is divided into,setting separate combiner,combiner transformer transformer protection group in the main screen;110kV line segment combiner configured individually,group within the control room screen line combiner

16、;35kV 10kV PT 1 set of each combiner configured to achieve PT parallel functions;arranged in the sub-cabinet;35kV 10kV part of the access by small-signal combiner,arranged in switch cabinet. 5) communication network. a. station control station control interlayer layer network layer network:set a swi

17、tch,the Internet communications management unit monitoring host dual GPS;interval layer network:at 10kV I Section II Section were placed on a switch,35kV put a switch in paragraph ,the main cabinet to set up a communications switch,focus group screen spacer device to the communications network of th

18、e main cabinet b. the process level,GOOSE private network. Process layer network:electronic transformer CT interval of combiner access,electronic access to the voltage transformer PT merger,voltage output access interval of combiner combiner;GOOSE Network:ring network composed of 1 # Main Variable i

19、nterval Protection and Control and smart cell group into a RSG2100,2 # Main Transformer Protection and Control and intelligence unit interval group into another RSG2100,110kV line interval of Protection and Control and intelligence unit set into another RSG2100,composed of a single inter-switch inte

20、rconnect ring. 6) After the transformation of the substation has the advantage. a. back-office system integration,are in compliance with requirements of the secondary consolidation;b. with 61850 protocol,consistency,and simple interface without a lot of signal cable installation and commissioning wo

21、rk is small,can reduce the cost of maintenance and renovation;c. use of electronic CT / PT,non-core,eliminating the magnetic saturation;to avoid the CT open circuit,earth fault in the secondary circuit problems;d. long-distance transmission of digital signals using optical fiber,anti-interference ab

22、ility,reducing the transmission error;of nearly still use the hard-wiring from the transmission,reducing the number of devices to simplify structure. 3. substations protection equipment remote monitoring and management systems analysis and design 1) substation protection equipment remote monitoring

23、and management system The system for power companies to protect managements application requirements designed to protect the department aims to provide a management and maintenance of station equipment platform,the system should meet the following features:timely,accurate collection of station equip

24、ment,real-time information;accurate monitoring of all setting relay station changes,and timely warning;comprehensive management of all the relay stations recorded data;provides engineers easy access to any virtual channels to all relay stations;provide a friendly user interface for maintenance and m

25、anagement;Accurate and fast data retrieval and query;high level of security,strict management of operating authority and provides audit function;system has a high scalability,maintainability;system is stable,safe and reliable;good man-machine interface According to the actual needs of the applicatio

26、n of the hierarchical principle and open systems,the whole system is divided into enterprise application layer,service layer,station control management and equipment level. Station control stations relay data subsystem is responsible for the collection,processing,valuation and management functions i

27、nclude the following modules:RTDB:RealTime Database,real-time data management,systems management as the core of the system responsible for managing all of the real time data,events,police records;HMI:HumanMachine Interface,local display and control management;DCAl03:DataCollectionApplicationwithIECl

28、03,IECl03 communications processing,complete with support IECl03 relay communications between the Statute,to collect real-time data sent to relay real-time database;as Support 103 for the relay setting and recorded data,the corresponding value for management;Courier:CourierDCA communications process

29、ing,complete with relay communication between the relay real-time data collection,event data,protection setting ,recorded data;Modbus:ModbusDCA Statute of the communication processing;DNP30:DNP3.0 DCA Statute of the data processing;GD8Calc:GD8-line basis,to provide advanced automatic calculation and

30、 automatic control functions;VC:Virtual Connection Manager,providing a virtual channel with the server connection and,if necessary,send a request to the DCA loan communication channel;DNPDPA:DPA (DataProces sApplication) type applications,communicate with the server through DNP3.0 statute. This subs

31、ystem is responsible for the data collection points,and saved to the server SQLServer database,including the following modules:DC:DataCollection application station control subsystem is responsible for communication and exchange through the DNP3 0 real-time data and event data,and to the real-time d

32、ata;RTDB:real-time data management,including real-time data management,and a variety of real-time data access interface (shared memory TCP IP database),and save the historical database,to provide lock control;user management:Manage user roles,password,operating privilege,etc.;role management,manager

33、ial role and define the appropriate authority;configuration management:management station data and communication within the parameters and alarm configuration (SMS GSM EMAIL);graphics production system:user-defined interface production system;virtual serial port,virtual channel dynamic management;ev

34、ent query Modules:Alarm query module,the station data query module:check the communication relay stations within the state of constant change state,recorded data;constant query module;Virtual Connect modules;single line diagram:a graphical user interface provides real-time data Display operation con

35、trol,etc.;historical data query;audit module;operational records check. 2) database design system Monitoring and management system for the protection of the core is around the station designed to protect the information data,the database design directly related to the effect and operation of the who

36、le system performance,while the database system to other computer systems,with more objects,longer survival data,with high requirements on the maintenance and security of the information related to such issues,so the database design must be carefully and cautiously database design for this system,we

37、 propose the following four basic principle to guide the design of the database :a,try to ensure the simplicity of the database,including:simple database structure,data sheets and data sheet design simple relationship between Q and other simple b,to ensure the integrity of database systems,including

38、:the physical integrity of the database system,database,logical integrity,the integrity of the elements of the database system c,to ensure the confidentiality of the database system,including:the database system,the user identity and authority to identify,to ensure that each user and their access to

39、 the system is legitimate and can be identified in the design of the time so we can the body of the user identification and access rights to control the system provides the user can only operate within the purview and ensure the security of system data d,to ensure the availability of database system

40、s,which ensure that the database can access system resources,easy to use and to avoid data conflicts in the data access process,to ensure no conflict between the data and contradictions in this system,the server database used relational database,and use Microsofts SQLServer name of the database desi

41、gn is MinilPACS,stored data are historical data configuration information and event information data,user information configuration data using MS Acces s database,download the station controlled by synchronizing Equipment GD8 can be converted into the CDB CE data formats,and through the papers to co

42、py or synchronize GD8 4. the operation of digital substation Digital substation system to achieve the full hierarchical distributed application;first and second device to achieve effective electrical isolation,interoperability between devices;information integration has increased,reduce the number o

43、f automation equipment;station electrical quantities collected United blocking signal transmission and equipment trip command to run all through the fiber optic networks;has a higher than conventional automation system reliability,availability,security;substation automation system is to ensure that

44、primary and secondary equipment,the normal operation of the core,daily operation and maintenance should be given more attention to the information prompted to run equipment;concern communication device alarm interrupt event log information tips;concerns real-time monitoring and control console promp

45、t warning information;network communication interruption should check the device prompt the switch state of communication lines;case no display device,it should ascertain whether the loss of power outage,such as the reasons for withdrawal should be identified and then put into operation;after power

46、should conduct a comprehensive inspection to confirm installation of the normal operation after running the program is another advantage of the current digital 110kV substation south of change remote operation can be achieved has been the general order of the control and operation (programmed operat

47、ion) program of the operating system is pre-set through the automated process operation of the substation equipment series,issued by the operating instructions is to grant an order by the automated system based on equipment corresponding changes in the amount of remote telemetry to determine the let

48、ter of each step is in place,the case confirmation in place the next step,otherwise the alarm. Conclusion 110kV substation digital transformation projects to explore the application of the old station digital transformation technology solutions,to explore the advanced practical and reliable digital

49、substation system structure and model,reflecting the advanced technology,structure is reasonable,program innovation,practical implementation,to the role of models and model for future digital substation reconstruction provides a new and valuable experience for reference. 摘要本文简要简介了数字化变电站基本概念,110千伏数字化变电站改造例子。详细分析,如变化经营模式变电站二次设备。数字化变电站讨论也许改革方案,并依照数字化变电站工作了对策和建议运营成果。核心词数字化变电站,自动化,电子式互感器自动化和计算机网络流量监控和保护技术,在过去二十年飞速发展有了长足进步,已实现数字化变电站自动化系统。网络奠定了技术基本,另一方面,用特高电压大容量大型电网逐渐形成,电网稳定和安全信息交

移动网页_全站_页脚广告1

关于我们      便捷服务       自信AI       AI导航        获赠5币

©2010-2024 宁波自信网络信息技术有限公司  版权所有

客服电话:4008-655-100  投诉/维权电话:4009-655-100

gongan.png浙公网安备33021202000488号   

icp.png浙ICP备2021020529号-1  |  浙B2-20240490  

关注我们 :gzh.png    weibo.png    LOFTER.png 

客服