{"id":112026,"date":"2024-10-18T16:20:10","date_gmt":"2024-10-18T16:20:10","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-487-4-2013\/"},"modified":"2024-10-24T22:03:27","modified_gmt":"2024-10-24T22:03:27","slug":"ieee-487-4-2013","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-487-4-2013\/","title":{"rendered":"IEEE 487.4 2013"},"content":{"rendered":"

New IEEE Standard – Active. Engineering design procedures for the electrical protection of communication facilities serving electric supply locations through the use of neutralizing transformers are presented in this standard.<\/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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Std 487.4-2013 Front Cover <\/td>\n<\/tr>\n
3<\/td>\nTitle page
\n <\/td>\n<\/tr>\n
6<\/td>\nNotice to users
Laws and regulations
Copyrights
Updating of IEEE documents
Errata <\/td>\n<\/tr>\n
7<\/td>\nPatents <\/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>\nImportant notice
1. Overview
1.1 Background <\/td>\n<\/tr>\n
14<\/td>\n1.2 Scope
1.3 Purpose
2. Normative references
3. Definitions
3.1 Definitions, acronyms, and abbreviations <\/td>\n<\/tr>\n
15<\/td>\n3.2 Acronyms and abbreviations <\/td>\n<\/tr>\n
16<\/td>\n4. Neutralizing transformer and neutralizing reactors operation
4.1 Three-winding neutralizing transformer <\/td>\n<\/tr>\n
17<\/td>\n4.2 Two-winding neutralizing reactor <\/td>\n<\/tr>\n
20<\/td>\n4.3 Remanent voltage <\/td>\n<\/tr>\n
21<\/td>\n4.4 Flux, remanent flux, and exciting current <\/td>\n<\/tr>\n
22<\/td>\n4.5 Saturation
4.6 Recovery <\/td>\n<\/tr>\n
23<\/td>\n4.7 Worst-case considerations\u2014volt-seconds and the applied voltage <\/td>\n<\/tr>\n
25<\/td>\n4.8 Polarization of the neutralizing transformer or reactor core
4.9 Reduction of volt-time requirements from worst case <\/td>\n<\/tr>\n
26<\/td>\n4.10 Paralleling neutralizing transformers or reactors
5. Protection application configurations <\/td>\n<\/tr>\n
27<\/td>\n5.1 Protection configurations employing neutralizing transformers <\/td>\n<\/tr>\n
29<\/td>\n5.2 Protection configuration employing neutralizing in parallel with isolation on separate pairs <\/td>\n<\/tr>\n
30<\/td>\n5.3 Protection configuration employing neutralizing in tandem with isolation <\/td>\n<\/tr>\n
32<\/td>\n6. Installation considerations related to neutralizing transformers <\/td>\n<\/tr>\n
35<\/td>\nAnnex A (informative) Bibliography
\n <\/td>\n<\/tr>\n
36<\/td>\nAnnex B (informative) Neutralizing transformer and reactor concept\u2014design alternatives
\n
B.1 Preliminary considerations
\n
B.2 Standardized design method
\n <\/td>\n<\/tr>\n
37<\/td>\nB.3 Custom design method
\n
B.4 Alternative simplified design
\n <\/td>\n<\/tr>\n
38<\/td>\nB.5 Number of good cycles approach
\n <\/td>\n<\/tr>\n
39<\/td>\nB.6 Worst-case design considerations
\n
B.7 Considerations for other than worst-case design
\n <\/td>\n<\/tr>\n
40<\/td>\nB.8 Typical specifications for neutralizing transformers
\n <\/td>\n<\/tr>\n
44<\/td>\nB.9 Use of dc blocking or ac exciting capacitors, or both
B.10 User information required for preparing a neutralizing transformer design specification
\n <\/td>\n<\/tr>\n
47<\/td>\nB.11 Neutralizing transformer installation design examples
\n <\/td>\n<\/tr>\n
52<\/td>\nAnnex C (informative) Typical neutralizing transformers
\n
C.1 Single-pair neutralizing transformers
\n <\/td>\n<\/tr>\n
54<\/td>\nC.2 Multi-pair neutralizing transformers
\n <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of Neutralizing 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>\n2013<\/td>\n55<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":112027,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-112026","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\/112026","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\/112027"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=112026"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=112026"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=112026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}