{"id":463569,"date":"2024-10-20T10:29:28","date_gmt":"2024-10-20T10:29:28","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-c57-131-2024-3\/"},"modified":"2024-10-26T19:22:34","modified_gmt":"2024-10-26T19:22:34","slug":"ieee-c57-131-2024-3","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-c57-131-2024-3\/","title":{"rendered":"IEEE C57.131-2024"},"content":{"rendered":"

Revision Standard – Active. Electrical and mechanical performance and test requirements for on-load tap-changers of both resistor and reactor types, de-energized tap-changers, and their motor-drive mechanisms installed in power and distribution transformers, reactors, and voltage regulators are covered.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Std C57.131\u2122-2024 Front cover <\/td>\n<\/tr>\n
2<\/td>\nTitle page <\/td>\n<\/tr>\n
4<\/td>\nImportant Notices and Disclaimers Concerning IEEE Standards Documents <\/td>\n<\/tr>\n
8<\/td>\nParticipants <\/td>\n<\/tr>\n
10<\/td>\nIntroduction <\/td>\n<\/tr>\n
11<\/td>\nContents <\/td>\n<\/tr>\n
13<\/td>\n1.\u2002Overview
1.1\u2002Scope
1.2\u2002Application
1.3\u2002Word usage <\/td>\n<\/tr>\n
14<\/td>\n1.4\u2002Utilization of normative references
2.\u2002Normative references <\/td>\n<\/tr>\n
15<\/td>\n3.\u2002Definitions, acronyms, and abbreviations
3.1\u2002Definitions <\/td>\n<\/tr>\n
20<\/td>\n3.2\u2002Acronyms and abbreviations
4.\u2002Service conditions
4.1\u2002Temperature of tap-changer environment <\/td>\n<\/tr>\n
21<\/td>\n4.2\u2002Temperature of tap-changer motor-drive mechanism environment
4.3\u2002Overload conditions
5.\u2002Requirements for on-load tap-changers (OLTCs)
5.1\u2002General requirements <\/td>\n<\/tr>\n
23<\/td>\n5.2\u2002Type tests for OLTCs <\/td>\n<\/tr>\n
39<\/td>\n5.3\u2002Routine tests for OLTCs <\/td>\n<\/tr>\n
40<\/td>\n6.\u2002Requirements for motor-drive mechanisms for OLTCs
6.1\u2002General requirements <\/td>\n<\/tr>\n
42<\/td>\n6.2\u2002Type tests for motor-drive mechanism <\/td>\n<\/tr>\n
43<\/td>\n6.3\u2002Routine tests for motor-drive mechanism
7.\u2002Requirements for de-energized tap-changers
7.1\u2002General requirements <\/td>\n<\/tr>\n
44<\/td>\n7.2\u2002Type tests for DETCs <\/td>\n<\/tr>\n
50<\/td>\n7.3\u2002DETC test report
7.4\u2002Routine tests for DETCs <\/td>\n<\/tr>\n
51<\/td>\n7.5\u2002DETC warning label
8.\u2002Requirements for motor-drive mechanisms for DETCs
8.1\u2002General requirements <\/td>\n<\/tr>\n
52<\/td>\n8.2\u2002Type tests for motor-drive mechanism <\/td>\n<\/tr>\n
53<\/td>\n8.3\u2002Routine tests for motor-drive mechanism
9.\u2002Nameplate
9.1\u2002On-load and de-energized tap-changers <\/td>\n<\/tr>\n
54<\/td>\n9.2\u2002Motor-drive mechanisms
10.\u2002Manufacturer\u2019s operating instructions <\/td>\n<\/tr>\n
55<\/td>\nAnnex\u00a0A (normative) Switching duty relating to resistor type on-load tap-changers
A.1\u2002Duty on main and transition contacts <\/td>\n<\/tr>\n
67<\/td>\nAnnex\u00a0B (normative) Switching duty relating to reactor type on-load tap-changers
B.1\u2002Additional test parameters
B.2\u2002Duty on switching contacts <\/td>\n<\/tr>\n
78<\/td>\nAnnex\u00a0C (normative) Method for determining the equivalent temperature of the transition resistor using power pulse current <\/td>\n<\/tr>\n
79<\/td>\nAnnex\u00a0D (informative) Simulated AC circuits for service duty and breaking capacity tests for resistor type on-load tap-changers
D.1\u2002General
D.2\u2002Transformer method <\/td>\n<\/tr>\n
80<\/td>\nD.3\u2002Resistance method <\/td>\n<\/tr>\n
82<\/td>\nAnnex\u00a0E (informative) Example of a synthetic test circuit for service duty test of vacuum type tap-changers21
E.1\u2002Definitions with relevance to the synthetic test circuit
E.2\u2002Example for the test setup of a synthetic test circuit <\/td>\n<\/tr>\n
83<\/td>\nE.3\u2002Example for breaking\/making condition during a switching operation <\/td>\n<\/tr>\n
85<\/td>\nAnnex\u00a0F (informative) Bibliography <\/td>\n<\/tr>\n
86<\/td>\nBack cover <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Standard Performance Requirements and Test Methods for Tap-Changers (Published)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2024<\/td>\n86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":463577,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-463569","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/463569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/463577"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=463569"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=463569"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=463569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}