{"id":13562,"date":"2024-06-17T13:13:42","date_gmt":"2024-06-17T11:13:42","guid":{"rendered":"https:\/\/ifd.al\/?p=13562"},"modified":"2024-09-19T16:08:15","modified_gmt":"2024-09-19T14:08:15","slug":"iec-61850-digital-substation","status":"publish","type":"post","link":"https:\/\/ifd.al\/en\/iec-61850-digital-substation\/","title":{"rendered":"IEC 61850 Digital Substation"},"content":{"rendered":"<p>In future energy systems, renewable, decentralized energy suppliers will play an important role at any voltage levels. A high degree of automation is required to ensure reliability of supply and efficient operation. In order to stabilize the grid or to be able to react to fluctuating inputs, considerably more computing power must be integrated into 400kV substations and local network stations\/transformer stations.<\/p>\n<p>The basic prerequisites for a high degree of automation are a future-proof IT architecture in all parts of the power grid and a common \u201clanguage\u201d for all components of the power grid. This, together with some other advantages, is achieved by the IEC 61850 standard. Among other things, it defines:<\/p>\n<ul>\n<li>The communication protocol and cross-manufacturer interoperability<\/li>\n<li>Ambient conditions such as temperature, electromagnetic compatibility and vibration<\/li>\n<li>Simplified, future-proof cabling of components in transformer stations<\/li>\n<\/ul>\n<h2>IEC 61850 Substation Architecture<\/h2>\n<p>A switchgear consists of different intelligent electronic units (IED) for switches, transformers or measuring equipment. All these devices must be able to communicate with each other. Each one can trigger time-critical actions, such as disconnecting a load connection. The <strong>IEC 61850<\/strong> standard series divides these switchgear systems into three levels and describes the communication protocol between the functions of the switchgear system:<\/p>\n<p><strong>The Process Level<\/strong>\u00a0contains devices such as circuit breakers or data acquisition devices for current, voltage and other parameters. This is where the electrical energy is switched.<\/p>\n<p><strong>The Bay Level<\/strong>\u00a0consists of the individual IEDs. They process the data supplied by the process level and make local control decisions. They also transmit data for further processing and monitoring to the higher-level control and data acquisition system, the SCADA system.<\/p>\n<p><strong>The Station Level<\/strong>\u00a0contains the SCADA system as well as operating and monitoring devices (HMIs) for monitoring the operation of a substation. In addition, the connection to the network control system of the network operator takes place from here via various WAN technologies.<\/p>\n<div class=\"ce_text block\">\n<h2>Communication protocols between the individual levels<\/h2>\n<\/div>\n<div class=\"ce_text block\">\n<p>The individual elements on the different levels of a substation have different communication requirements. At the lower levels, at the process level, low latency times are important for the greatest possible autonomy of operations. This requirement does not exist in the communication between bay and station level or exists in an attenuated form. Therefore, the IEC 61850 standard defines three forms of communication:<\/p>\n<p><strong>MMS Protocol\u00a0<\/strong>(Manufacturing Messaging Specification): Communication between SCADA and IEDs<\/p>\n<p><strong>Goose\u00a0<\/strong>(Generic Object Oriented Substation Events): Horizontal, direct communication between the individual IEDs<\/p>\n<p><strong>SMV\u00a0<\/strong>(Sampled Measured Values): Vertical communication between the individual IEDs<\/p>\n<div class=\"ce_text block\">\n<h2>Advantages of the IEC 61850 standard \u2013 Why should you invest in an IEC 61850 substation?<\/h2>\n<\/div>\n<div class=\"rs-columns ce_rs_columns_start\">\n<div class=\"ce_rs_column_start rs-column -large-col-2-1 -large-first -large-first-row -medium-col-2-1 -medium-first -medium-first-row -small-col-1-1 -small-first -small-last -small-first-row\">\n<div class=\"ce_text block\">\n<h3>Simplified architecture<\/h3>\n<p>The individual components of a substation no longer have to be wired using individual copper cables, but are connected to each other via an Ethernet network instead.<\/p>\n<\/div>\n<\/div>\n<div class=\"ce_rs_column_start rs-column -large-col-2-1 -large-last -large-first-row -medium-col-2-1 -medium-last -medium-first-row -small-col-1-1 -small-first -small-last\">\n<div class=\"ce_text block\">\n<h3>Digital twin of a substation<\/h3>\n<p>By using the IEC 61850 standard, it is possible to test stations already during the planning phase using the data model. This simplifies the planning and commissioning of such a network node.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"rs-columns ce_rs_columns_start\">\n<div class=\"ce_rs_column_start rs-column -large-col-2-1 -large-first -large-first-row -medium-col-2-1 -medium-first -medium-first-row -small-col-1-1 -small-first -small-last -small-first-row\">\n<div class=\"ce_text block\">\n<h3>Manufacturer independence<\/h3>\n<p>The common series of standards ensures interoperability between components from different manufacturers.<\/p>\n<\/div>\n<\/div>\n<div class=\"ce_rs_column_start rs-column -large-col-2-1 -large-last -large-first-row -medium-col-2-1 -medium-last -medium-first-row -small-col-1-1 -small-first -small-last\">\n<div class=\"ce_text block\">\n<h3>Future-proof design<\/h3>\n<p>By using an Ethernet-based network, existing systems can easily be adapted to future requirements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"rs-columns ce_rs_columns_start\">\n<div class=\"ce_rs_column_start rs-column -large-col-2-1 -large-first -large-first-row -medium-col-2-1 -medium-first -medium-first-row -small-col-1-1 -small-first -small-last -small-first-row\">\n<div class=\"ce_text block\">\n<h3>High reliability<\/h3>\n<p>By defining environmental conditions in IEC 61850-3, the devices can be optimized and tested for the harsh environmental conditions in substations. The use of redundancy technologies such as HSR\/PRP results in higher availability and thus greater network reliability.<\/p>\n<\/div>\n<\/div>\n<div class=\"ce_rs_column_start rs-column -large-col-2-1 -large-last -large-first-row -medium-col-2-1 -medium-last -medium-first-row -small-col-1-1 -small-first -small-last\">\n<div class=\"ce_text block\">\n<h3>Direct communication between IEDs<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In future energy systems, renewable, decentralized energy suppliers will play an important role at any voltage levels. A high degree of automation is required to ensure reliability of supply and efficient operation. In order to stabilize the grid or to be able to react to fluctuating inputs, considerably more computing power must be integrated into [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[110],"tags":[119],"class_list":["post-13562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-substation-automation-en","tag-substation-automation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IEC 61850 Digital Substation - IFD Tech<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ifd.al\/en\/iec-61850-digital-substation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IEC 61850 Digital Substation - IFD Tech\" \/>\n<meta property=\"og:description\" content=\"In future energy systems, renewable, decentralized energy suppliers will play an important role at any voltage levels. 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