BS EN 60034-2-2:2010
$142.49
Rotating electrical machines – Specific methods for determining separate losses of large machines from tests. Supplement to IEC 60034-2-1
| Published By | Publication Date | Number of Pages |
| BSI | 2010 | 30 |
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.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | English CONTENTS |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 Symbols 4.1 Quantities 4.2 Subscripts |
| 9 | 5 Basic requirements 5.1 Direct and indirect efficiency determination 5.2 Uncertainty 5.3 Preferred methods |
| 10 | 6 Common determinations 6.1 Efficiency 6.2 Total loss Table 1 – Preferred methods for large machines |
| 11 | 6.3 Load losses 7 Methods |
| 12 | 7.1 Calibrated machine method |
| 14 | 7.2 Retardation method |
| 17 | Figures Figure 1 – Method of the chord |
| 19 | 7.3 Calorimetric method |
| 20 | Figure 2 – Reference surface |
| 22 | Figure 3 – Four coolers connected in parallel, single calorimeter, single coolant Figure 4 – Series connected coolers, two coolants |
| 23 | Figure 5 – Bypass piping Figure 6 – Parallel piping |
| 25 | Figure 7 – Characteristics of pure water as a function of temperature |
