[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-650111-105":59,"doc-detail-650111-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","psrc-i5-schematic-representation-of-power-system-relaying-report-on-common-practices","PSRC I5 Schematic Representation of Power System Relaying - Report on Common Practices","","A report to the Relaying Practices Subcommittee I on common practices for representing protection and control relaying systems. It explains the underlying methodology, highlights challenges introduced by microprocessor relays, and addresses how internal logic and external communication configurations affect representation. The document organizes approaches across schematic types—protection zone diagrams, single-line diagrams, AC/DC schematics, and logic diagrams—then covers wiring, communication (including SCADA), related documentation, and concludes with key findings and recommendations.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/psrc-i5-schematic-representation-of-power-system-relaying-report-on-common-practices/650111/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/psrc-i5-schematic-representation-of-power-system-relaying-report-on-common-practices/650111.png","ImageObject",300,407,{"name":92,"@type":93},"Sarah ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-10-24",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the report’s purpose in schematic representation for power system relaying?","Question",{"text":112,"@type":113},"It documents common practices and the methodology behind representing protection and control relaying.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which major challenges does the report discuss regarding microprocessor relays?",{"text":117,"@type":113},"It focuses on issues raised by integrating microprocessor relays, including internal logic and external communication configuration impacts.",{"name":119,"@type":110,"acceptedAnswer":120},"What types of schematics and diagrams are covered in the document?",{"text":121,"@type":113},"It covers protection zone diagrams, single-line diagrams (including IEC 61850 process bus aspects), AC and DC schematics, and logic diagrams, plus wiring, communication, and related documentation.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},650111,1792817205,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":26,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":143},962085320529,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","PSRC I5 Schematic Representation of Power System Relaying May 13, 2014  \nSCHEMATIC REPRESENTATION OF POWER SYSTEM RELAYING  \nA report to the Relaying Practices Subcommittee I Power System Relaying Committee  \nIEEE Power Engineering Society  \nPrepared by Working Group I5  \nWorking Group Assignment  \nReport on common practices in the representation of protection and control relaying. Thereport will identify methodology behind these practices, present issues raised by the integration of microprocessor relays and the internal logic and external communication configurations, and present approaches to deal with these issues.  \nWorking Group Members  \nKevin Donahoe - chair Rich Young - vice-chair  \nJohn Appleyard Hasnain Ashrafi Matt Black Dac-Phuoc Bui John Csisek Glenn Durie  \nLizette Marie Fuentes  \nLarry Henriksen Jack Jester Jeff Long Bruce Mackie  \nDean Miller Adi Mulawarman Shyam Musunuri Jim Niemira Craig Preuss Tony Seegers John Tengdin  \nJoe Uchiyama Andre Uribe Dolly Villasmil  \nDon Ware Roger Whittaker Karl Zimmerman  \nPSRC I5 Schematic Representation of Power System Relaying May 13, 2014  \nTABLE OF CONTENTS  \n1. Scope ......................................................................................................................... 4  \n2. The Graphic Representation of Power System Relaying.......................................... 4  \n2.1. Issues Behind the Need for this Report .............................................................. 5  \n2.2. The Role of Schematics...................................................................................... 5  \n2.3. Drawing Types ................................................................................................... 5  \n2.4. Drawing Hierarchy ............................................................................................. 8  \n2.5. Uses of Drawings by Different Parties............................................................... 8  \n3. Protection Zone Diagram ....................................................................................... 10  \n4. Single Line Diagrams ............................................................................................. 12  \n4.1. Single Line Diagrams and IEC 61850 Process Bus ......................................... 14  \n4.2. Single Line Process Bus Example A ................................................................ 14  \n4.3. Single Line Process Bus Example B ................................................................ 15  \n4.4. Control Functions on the Single Line Diagram ............................................... 15  \n5. AC Schematics ........................................................................................................ 19  \n5.1. Instrument Transformers .................................................................................. 19  \n5.1.1. Voltage Transformers (VT) or Potential Transformers (PT) ..................... 19  \n5.1.2. Current Transformers (CT) ........................................................................ 19  \n5.2. Protective Relays .............................................................................................. 20  \n5.3. Metering Functions .......................................................................................... 20  \n6. DC Schematics ........................................................................................................ 25  \n6.1. Common Practices............................................................................................ 25  \n6.2. Unique Standards ............................................................................................. 31  \n6.3. DC Schematics and the Microprocessor Relay ................................................ 31  \n6.4. DC Schematics and IEC 61850 Station Bus .................................................... 32  \n7. Logic Diagrams ...................................................................................................... 33 ","cbCaiiE1nlvtbUr3","https://ap.wps.com/l/cbCaiiE1nlvtbUr3","pdf",7282809,"English","# 1. Scope\n# 2. The Graphic Representation of Power System Relaying\n## 2.1. Issues Behind the Need for this Report\n## 2.2. The Role of Schematics\n## 2.3. Drawing Types\n## 2.4. Drawing Hierarchy\n## 2.5. Uses of Drawings by Different Parties\n# 3. Protection Zone Diagram\n# 4. Single Line Diagrams\n## 4.1. Single Line Diagrams and IEC 61850 Process Bus\n## 4.2. Single Line Process Bus Example A\n## 4.3. Single Line Process Bus Example B\n## 4.4. Control Functions on the Single Line Diagram\n# 5. AC Schematics\n# 6. DC Schematics\n# 7. Logic Diagrams\n# 8. Other Forms of Documentation\n# 9. Conclusion","[{\"question\":\"What is the report’s purpose in schematic representation for power system relaying?\",\"answer\":\"It documents common practices and the methodology behind representing protection and control relaying.\"},{\"question\":\"Which major challenges does the report discuss regarding microprocessor relays?\",\"answer\":\"It focuses on issues raised by integrating microprocessor relays, including internal logic and external communication configuration impacts.\"},{\"question\":\"What types of schematics and diagrams are covered in the document?\",\"answer\":\"It covers protection zone diagrams, single-line diagrams (including IEC 61850 process bus aspects), AC and DC schematics, and logic diagrams, plus wiring, communication, and related documentation.\"}]","PSRC I5 Schematic Representation of Power System Relaying - Report on Common Practices | PDF",151]