{"id":80505,"date":"2024-10-17T18:44:59","date_gmt":"2024-10-17T18:44:59","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-c37-91-2000\/"},"modified":"2024-10-24T19:43:45","modified_gmt":"2024-10-24T19:43:45","slug":"ieee-c37-91-2000","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-c37-91-2000\/","title":{"rendered":"IEEE C37.91 2000"},"content":{"rendered":"

Revision Standard – Inactive – Superseded. The protection of power transformers is covered;various electrical protection schemes are explored;and guidelines are given for the application of these schemes to transformers. Alternative detection methods including mechanical,thermal,and gas analysis are discussed.<\/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\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nTitle Page <\/td>\n<\/tr>\n
3<\/td>\nIntroduction
Participants <\/td>\n<\/tr>\n
5<\/td>\nCONTENTS <\/td>\n<\/tr>\n
7<\/td>\n1. Overview
1.1 Scope
1.2 Purpose
2. References <\/td>\n<\/tr>\n
8<\/td>\n3. Philosophy and economic considerations <\/td>\n<\/tr>\n
9<\/td>\n4. Types of transformer failures <\/td>\n<\/tr>\n
10<\/td>\n5. Relay current
5.1 Minimum internal faults
5.2 Maximum internal faults
5.3 Through-faults <\/td>\n<\/tr>\n
11<\/td>\n5.4 Performance of CTs <\/td>\n<\/tr>\n
12<\/td>\n5.5 Reasons for mismatch current <\/td>\n<\/tr>\n
13<\/td>\n6. Electrical detection of faults <\/td>\n<\/tr>\n
14<\/td>\n6.1 Fuse protection <\/td>\n<\/tr>\n
16<\/td>\n6.2 Differential protection <\/td>\n<\/tr>\n
24<\/td>\n6.3 Overcurrent relay protection <\/td>\n<\/tr>\n
27<\/td>\n6.4 Ground fault protection <\/td>\n<\/tr>\n
29<\/td>\n6.5 Fault detection for special-purpose transformers <\/td>\n<\/tr>\n
35<\/td>\n6.6 Backup and external fault protection <\/td>\n<\/tr>\n
37<\/td>\n6.7 Temperature relays
6.8 Miscellaneous relays
7. Mechanical detection of faults
7.1 Gas accumulator relay <\/td>\n<\/tr>\n
38<\/td>\n7.2 Gas detector relay
7.3 Pressure relays <\/td>\n<\/tr>\n
40<\/td>\n8. Thermal detection of abnormalities
8.1 Thermal relays for winding temperature <\/td>\n<\/tr>\n
41<\/td>\n8.2 Other means of thermal protection <\/td>\n<\/tr>\n
44<\/td>\n8.3 Testing thermal relays
9. Fault clearing <\/td>\n<\/tr>\n
45<\/td>\n9.1 Relay tripping circuits
9.2 Circuit breakers
9.3 Remote tripping of circuit breakers <\/td>\n<\/tr>\n
46<\/td>\n9.4 Circuit switcher
9.5 Fuses
9.6 Other practices <\/td>\n<\/tr>\n
47<\/td>\n10. Reenergizing practice <\/td>\n<\/tr>\n
48<\/td>\n11. Gas analysis
12. Special protective schemes
12.1 Overall unit generator differential <\/td>\n<\/tr>\n
50<\/td>\n12.2 Unit transformer of three-legged core form type
12.3 Grounding transformer inside the main transformer differential zone <\/td>\n<\/tr>\n
51<\/td>\n12.4 Unbalanced voltage protection for Y connected, three legged, core type transformers <\/td>\n<\/tr>\n
52<\/td>\n12.5 Differential protection of single-phase transformers connected in three-phase banks <\/td>\n<\/tr>\n
53<\/td>\n12.6 Differential protection of a bank of three single-phase autotransformers with \u00c6 tertiary <\/td>\n<\/tr>\n
54<\/td>\n12.7 Differential protection of single-phase transformers in a three-phase bank with a spare tran… <\/td>\n<\/tr>\n
55<\/td>\n13. Other considerations <\/td>\n<\/tr>\n
56<\/td>\n14. Device numbers <\/td>\n<\/tr>\n
57<\/td>\nAnnex A\u2014Application of the transformer through-fault current duration guide to the protection of power transformers <\/td>\n<\/tr>\n
76<\/td>\nAnnex B\u2014Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Guide for Protective Relay Applications to Power Transformers<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2000<\/td>\n81<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":80506,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-80505","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\/80505","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\/80506"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=80505"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=80505"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=80505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}