{"id":251702,"date":"2024-10-19T16:36:33","date_gmt":"2024-10-19T16:36:33","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60034-2-12007\/"},"modified":"2024-10-25T11:54:25","modified_gmt":"2024-10-25T11:54:25","slug":"bs-en-60034-2-12007","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60034-2-12007\/","title":{"rendered":"BS EN 60034-2-1:2007"},"content":{"rendered":"

Establishes methods of determining efficiencies from tests, and also specifies methods of obtaining specific losses. Applies to d.c. machines and to a.c. synchronous and induction machines of all sizes within the scope of IEC 60034-1<\/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\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
5<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
8<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
9<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
14<\/td>\n4 Symbols and abbreviated terms
4.1 Symbols <\/td>\n<\/tr>\n
15<\/td>\n4.2 Additional subscripts <\/td>\n<\/tr>\n
16<\/td>\n5 Basic requirements
5.1 Direct and indirect efficiency determination
5.2 Uncertainty <\/td>\n<\/tr>\n
17<\/td>\n5.3 Preferred methods <\/td>\n<\/tr>\n
18<\/td>\nTable 1 \u2013 DC machines <\/td>\n<\/tr>\n
19<\/td>\nTable 2 \u2013 Induction machines <\/td>\n<\/tr>\n
20<\/td>\nTable 3 \u2013 Synchronous machines <\/td>\n<\/tr>\n
21<\/td>\n5.4 Power supply
5.5 Instrumentation <\/td>\n<\/tr>\n
22<\/td>\n5.6 Units
5.7 Resistance <\/td>\n<\/tr>\n
23<\/td>\n6 Test methods for determination of efficiency
6.1 State of the machine under test and test categories
Table 4\u00a0\u2013 Reference temperature <\/td>\n<\/tr>\n
24<\/td>\n6.2 Excitation circuit measurements
6.3 Direct measurements <\/td>\n<\/tr>\n
25<\/td>\nFigures
Figure\u00a01\u00a0\u2013 Sketch for torque measurement test
Figure 2 \u2013 Sketch for dual supply back-to-back test (for synchronous machines: IM = IG, fM = fG) <\/td>\n<\/tr>\n
26<\/td>\n6.4 Indirect measurements <\/td>\n<\/tr>\n
27<\/td>\nFigure\u00a03\u00a0\u2013 Sketch for single supply back-to-back test, d.c. machines <\/td>\n<\/tr>\n
28<\/td>\nFigure\u00a04\u00a0\u2013 Sketch for single supply back-to-back test, synchronous machines <\/td>\n<\/tr>\n
32<\/td>\nFigure\u00a05\u00a0\u2013 Induction machine, T-model with equivalent iron loss resistor <\/td>\n<\/tr>\n
33<\/td>\nFigure\u00a06\u00a0\u2013 Sketch for single supply back-to-back, additional losses, d.c. machines <\/td>\n<\/tr>\n
36<\/td>\nFigure\u00a07\u00a0 \u2013 Eh-star test circuit <\/td>\n<\/tr>\n
38<\/td>\n7 Determination of efficiency (direct current machines)
7.1 Determination from direct measurement
7.2 Determination from indirect measurement <\/td>\n<\/tr>\n
43<\/td>\n8 Determination of efficiency (induction machines)
8.1 Determination from direct measurement
Table\u00a05\u00a0\u2013 Multiplying factors for different speed ratios <\/td>\n<\/tr>\n
44<\/td>\n8.2 Determination from indirect measurement <\/td>\n<\/tr>\n
47<\/td>\nFigure\u00a08\u00a0\u2013 Vector diagram for obtaining current vector from reduced voltage test <\/td>\n<\/tr>\n
50<\/td>\nFigure\u00a09\u00a0\u2013 Induction machines, reduced model for calculation <\/td>\n<\/tr>\n
52<\/td>\nFigure\u00a010\u00a0\u2013 Smoothing of the residual loss data <\/td>\n<\/tr>\n
54<\/td>\nFigure\u00a011\u00a0\u2013 Assigned allowance for additional load losses PLL, induction machines <\/td>\n<\/tr>\n
55<\/td>\n9 Determination of efficiency (synchronous machines)
9.1 Determination from direct measurement <\/td>\n<\/tr>\n
56<\/td>\n9.2 Determination from indirect measurement <\/td>\n<\/tr>\n
62<\/td>\nAnnex A (normative) Correction of dynamometer torque readings <\/td>\n<\/tr>\n
64<\/td>\nAnnex B (normative) Calculation of values for the Eh-star method <\/td>\n<\/tr>\n
67<\/td>\nAnnex C (informative) Types of excitation systems <\/td>\n<\/tr>\n
68<\/td>\nAnnex D (normative) Other test methods <\/td>\n<\/tr>\n
70<\/td>\nFigure D.1 \u2013 Method of the chord
Figure D.2 \u2013 Method of the limiting secant <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Rotating electrical machines – Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2008<\/td>\n78<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":251707,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[528,2641],"product_tag":[],"class_list":{"0":"post-251702","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\/251702","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\/251707"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=251702"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=251702"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=251702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}