{"id":252238,"date":"2024-10-19T16:39:00","date_gmt":"2024-10-19T16:39:00","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60034-282013\/"},"modified":"2024-10-25T11:57:54","modified_gmt":"2024-10-25T11:57:54","slug":"bs-en-60034-282013","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60034-282013\/","title":{"rendered":"BS EN 60034-28:2013"},"content":{"rendered":"

IEC 60034-28:2012 applies to three-phase low-voltage cage induction motors of frame numbers 56 to 400 as specified in IEC 60072-1. This standard establishes procedures to obtain values for elements of single phase equivalent circuit diagrams from tests and defines standard elements of these diagrams. This edition includes the following significant technical changes with respect to the previous edition: – the formulae are now all given for equivalent star-connection equivalent circuit diagrams; – procedures for the determination of equivalent circuit parameters from a load curve test as an alternative to the reverse rotation and locked rotor tests have been added.<\/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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
6<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
8<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms, definitions, symbols and conventions
3.1 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n3.2 Symbols <\/td>\n<\/tr>\n
11<\/td>\n3.3 Subscripts
3.4 Winding connection <\/td>\n<\/tr>\n
12<\/td>\n4 Test requirements
4.1 General
4.2 Frequency and voltage
4.3 Instrumentation
4.3.1 Measuring instruments for electrical quantities, speed and frequency
4.3.2 Instrument transformers
4.3.3 Temperature measurement
5 Approximations and uncertainties <\/td>\n<\/tr>\n
13<\/td>\n6 Test procedures
6.1 General
6.2 Stator d.c. line-to-line resistance measurement
6.3 Load-test at rated load <\/td>\n<\/tr>\n
14<\/td>\n6.4 Load curve test
6.5 No-load test <\/td>\n<\/tr>\n
15<\/td>\n6.6 Reverse rotation and locked rotor tests
6.6.1 General
6.6.2 Reverse rotation test
6.6.3 Locked rotor test
7 Determination of motor quantities
7.1 General <\/td>\n<\/tr>\n
16<\/td>\nFigure 1 \u2013 Type-T equivalent circuit diagram
Figure 2 \u2013 Type-T equivalent circuit diagram (iron losses disregarded)
Figure 3 \u2013 Type-L equivalent circuit diagram (iron losses disregarded) <\/td>\n<\/tr>\n
17<\/td>\n7.2 Resistance of stator winding Rs
7.3 Total stator inductance Lts = Lm + L\u03c3s
7.3.1 General
7.3.2 Determination procedure
Figure 4 \u2013 Type-\u0393 equivalent circuit diagram <\/td>\n<\/tr>\n
18<\/td>\n7.4 Equivalent resistance of iron losses Rfe\u0393
7.4.1 Constant losses
Figure 5 \u2013 Typical characteristics of inductance L over current I <\/td>\n<\/tr>\n
19<\/td>\n7.4.2 Friction and windage losses
7.4.3 Iron losses <\/td>\n<\/tr>\n
20<\/td>\n7.5 Total leakage inductance Lt\u03c3
7.5.1 General
7.5.2 Distribution of leakage inductances between stator and rotor
7.5.3 Determination of total leakage inductance from a reverse rotation or locked rotor test (6.6)
7.5.3.1 General
7.5.3.2 Determination procedure <\/td>\n<\/tr>\n
21<\/td>\n7.5.3.3 Current displacement correction by calculation
7.5.3.4 Current displacement correction by measurement <\/td>\n<\/tr>\n
22<\/td>\n7.5.4 Determination of total leakage inductance from a load curve test (6.4) <\/td>\n<\/tr>\n
23<\/td>\n7.6 Magnetizing inductance Lm and voltage Um
7.6.1 From a reverse rotation or locked rotor test (6.6)
7.6.2 From a load curve test (6.4) <\/td>\n<\/tr>\n
24<\/td>\n7.7 Stator and rotor leakage inductances L\u03c3s and L\u03c3r\u2019
7.7.1 From a reverse rotation or locked rotor test (6.6)
7.7.2 From a load curve test (6.4)
7.8 Inductances for calculations at constant flux (rated load) <\/td>\n<\/tr>\n
25<\/td>\n7.9 Resistance of rotor cage Rr\u2019 referred to the stator winding and frequency <\/td>\n<\/tr>\n
27<\/td>\n7.10 Equivalent resistance of iron losses Rfe <\/td>\n<\/tr>\n
28<\/td>\nAnnex A (informative) Sample calculation <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Rotating electrical machines – Test methods for determining quantities of equivalent circuit diagrams for three-phase low-voltage cage induction motors<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2013<\/td>\n34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":252243,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[528,2641],"product_tag":[],"class_list":{"0":"post-252238","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-160-01","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/252238","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\/252243"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=252238"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=252238"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=252238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}