{"id":364779,"date":"2024-10-20T01:52:05","date_gmt":"2024-10-20T01:52:05","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-50708-1-12020\/"},"modified":"2024-10-26T02:59:25","modified_gmt":"2024-10-26T02:59:25","slug":"bs-en-50708-1-12020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-50708-1-12020\/","title":{"rendered":"BS EN 50708-1-1:2020"},"content":{"rendered":"

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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
8<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
12<\/td>\n4 Service condition <\/td>\n<\/tr>\n
13<\/td>\n5 Ratings and general requirements
5.1 Rated power
5.2 Rated frequency
5.3 Energy performance
5.3.1 Energy performance requirements
5.3.2 Exclusion from energy performance requirements <\/td>\n<\/tr>\n
14<\/td>\n5.3.3 Reference conditions
5.3.4 Technical documentation <\/td>\n<\/tr>\n
15<\/td>\n6 Rating plate
7 Tolerances
7.1 Tolerance during factory acceptance tests <\/td>\n<\/tr>\n
16<\/td>\n7.2 Tolerances for Market surveillance
8 Tests
8.1 General
8.2 Measurement of cooling consumption
9 Accessories and fittings
10 Capitalization of losses <\/td>\n<\/tr>\n
17<\/td>\n11 Transformer overhaul <\/td>\n<\/tr>\n
18<\/td>\nAnnex A (normative)Peak efficiency calculation
A.1 Efficiency Index
A.2 Peak Efficiency Index <\/td>\n<\/tr>\n
19<\/td>\nA.3 PEI calculation for transformers having more than two windings <\/td>\n<\/tr>\n
21<\/td>\nAnnex B (informative)Capitalization of losses
B.1 General Theory, Concept of Capitalization
B.2 Impact of capitalization values <\/td>\n<\/tr>\n
22<\/td>\nB.3 Capitalization formula
B.3.1 General
B.3.2 Calculation of factor A <\/td>\n<\/tr>\n
23<\/td>\nB.3.3 Calculation of factor B <\/td>\n<\/tr>\n
25<\/td>\nB.3.4 Use of A and B for tender evaluation <\/td>\n<\/tr>\n
26<\/td>\nB.3.5 Determination of factors A and B <\/td>\n<\/tr>\n
28<\/td>\nAnnex C (informative)A-deviations <\/td>\n<\/tr>\n
29<\/td>\nAnnex D (informative)Additional considerations related to energy performances
D.1 General
D.2 Autotransformers
D.3 Voltage and insulation level
D.4 More than two windings
D.5 Short-circuit impedance
D.6 Tapping range <\/td>\n<\/tr>\n
30<\/td>\nD.7 Losses on taps different than rated tap
D.8 Separate phases <\/td>\n<\/tr>\n
31<\/td>\nAnnex E (informative)Transformer overhaul
E.1 General
E.1.1 Overview
E.1.2 Energy performance
E.1.3 Life expectancy
E.2 Classification of overhaul activities
E.2.1 Overview <\/td>\n<\/tr>\n
32<\/td>\nE.2.2 Repair
E.2.3 Upgrade
E.2.4 Refurbishment <\/td>\n<\/tr>\n
33<\/td>\nE.2.5 Retrofit <\/td>\n<\/tr>\n
34<\/td>\nAnnex ZZ (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 548\/2014 of 21 May 2014 and its amendment No 2019\/1783 of 1 October 2019 on implementing Directive 2009\/125\/EC of the European Parliament and of the Council with regard to small, medium and large power transformers aimed to be covered <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Power transformers. Additional European requirements – Common part. General requirements<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n36<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":364789,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-364779","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","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\/364779","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\/364789"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=364779"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=364779"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=364779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}