{"id":252020,"date":"2024-10-19T16:37:57","date_gmt":"2024-10-19T16:37:57","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60034-2-22010\/"},"modified":"2024-10-25T11:56:25","modified_gmt":"2024-10-25T11:56:25","slug":"bs-en-60034-2-22010","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60034-2-22010\/","title":{"rendered":"BS EN 60034-2-2:2010"},"content":{"rendered":"
IEC 60034-2-2:2010 applies to large rotating electrical machines and establishes additional methods of determining separate losses and to define an efficiency supplementing IEC 60034-2-1. These methods apply when full-load testing is not practical and result in a greater uncertainty.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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6<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4 Symbols 4.1 Quantities 4.2 Subscripts <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 5 Basic requirements 5.1 Direct and indirect efficiency determination 5.2 Uncertainty 5.3 Preferred methods <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 6 Common determinations 6.1 Efficiency 6.2 Total loss Table 1 \u2013 Preferred methods for large machines <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6.3 Load losses 7 Methods <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 7.1 Calibrated machine method <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 7.2 Retardation method <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | Figures Figure 1 \u2013 Method of the chord <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 7.3 Calorimetric method <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Figure 2 \u2013 Reference surface <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Figure 3 \u2013 Four coolers connected in parallel, single calorimeter, single coolant Figure 4 \u2013 Series connected coolers, two coolants <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | Figure 5 \u2013 Bypass piping Figure 6 \u2013 Parallel piping <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Figure 7 \u2013 Characteristics of pure water as a function of temperature <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Rotating electrical machines – Specific methods for determining separate losses of large machines from tests. Supplement to IEC 60034-2-1<\/b><\/p>\n |