{"id":80669,"date":"2024-10-17T18:46:48","date_gmt":"2024-10-17T18:46:48","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-c57-95-1988\/"},"modified":"2024-10-24T19:44:18","modified_gmt":"2024-10-24T19:44:18","slug":"ieee-c57-95-1988","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-c57-95-1988\/","title":{"rendered":"IEEE C57.95 1988"},"content":{"rendered":"

New IEEE Standard – Inactive – Withdrawn. This guide covers general recommendations for loading mineral oil-immersed, 55C rise, step-voltage and induction-voltage regulators manufactured in accordance with ANSI\/IEEE C57.15-1986. Some users may choose to load regulators as though rated for 65C rise, although this operation is not recognized by ANSI\/IEEE C57.15-1986. This guide treats the loss of life to be anticipated under such operation. Loading recommendations in tabular form are contained in this guide. These recommendations cover a wide range of ambient conditions and loss of life. The method and equations used for calculation of the tables are given. This guide is only applicable for regulators having inherent capability to permit the loadings covered.<\/p>\n

PDF Catalog<\/h4>\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
11<\/td>\nScope and References
1.1 Scope
1.2 References
General
2.1 Rated kVA <\/td>\n<\/tr>\n
12<\/td>\n2.2 Limitations
Load <\/td>\n<\/tr>\n
13<\/td>\n2.3 Insulation Aging
2.4 Regulator Life Expectancy
Reduction Factors for Altitudes Greater Than 1000 m (3300 ft) <\/td>\n<\/tr>\n
14<\/td>\nLife Expectancy Curve <\/td>\n<\/tr>\n
15<\/td>\nLoading Recommendations
Continuous Loading with Normal Life Expectancy
3.2 Restricted Regulation
3.3 Top-Oil Temperature <\/td>\n<\/tr>\n
16<\/td>\nLoading with Reduced Voltages
Percent Relative Loss of Life in 55 “C Rise Insulation System
Percent Relative Loss of Life in 65 “C Rise Insulation System <\/td>\n<\/tr>\n
17<\/td>\n3.5 Short-Time Loading
Determination of Temperature and Loss of Life
4.1 General
4.2 Load Cycles
Assumed 55 “C Rise Regulator Design Characteristics at Rated Load
Loading with Reduced Regulation <\/td>\n<\/tr>\n
18<\/td>\nLife Expectancy
Actual Load Cycle <\/td>\n<\/tr>\n
19<\/td>\nCalculation of Temperature and Loss of Life
General
Assumed Load Cycle <\/td>\n<\/tr>\n
20<\/td>\nLoad Before Peak Load = 50% of Nameplate Rating <\/td>\n<\/tr>\n
21<\/td>\nLoad Before Peak Load = 70% of Nameplate Rating <\/td>\n<\/tr>\n
30<\/td>\nEquation Corrections <\/td>\n<\/tr>\n
31<\/td>\nMethod Used for Computer Calculation of Loading Capability Tables <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Guide for Loading Liquid-Immersed Step-Voltage and Induction-Voltage Regulators<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n1988<\/td>\n32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":80670,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-80669","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\/80669","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\/80670"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=80669"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=80669"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=80669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}