| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3 Terms and definitions 4 General principles of measurement 4.1 Principle of the ring method 4.2 Test specimen <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4.3 Windings <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 5 Temperature measurements 6 Measurement of the relative amplitude permeability and the AC magnetization curve 6.1 General 6.2 Apparatus and connections <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 6.3 Waveform of induced secondary voltage or magnetizing current Figures Figure 1 \u2013 Circuit of the measurement apparatus <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6.4 Determination of characteristics 6.4.1 Determination of the peak value of the magnetic field strength <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 6.4.2 Determination of the peak value of the magnetic flux density 6.4.3 Determination of the r.m.s. amplitude permeability and the relative amplitude permeability <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 6.4.4 Determination of the AC magnetization curve 7 Measurement of the specific total loss by the wattmeter method 7.1 Principle of measurement <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Figure 2 \u2013 Circuit of the conventional analogue wattmeter method (also representing the metrological principle of the digital wattmeter method) Figure 3 \u2013 The wattmeter method when connected withthe digital sampling technique (example of circuit) <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 7.2 Voltage measurement 7.2.1 Average type voltmeter 7.2.2 R.M.S. type voltmeter 7.3 Power measurement 7.4 Procedure for the measurement of the specific total loss 7.5 Determination of the specific total loss <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 8 Uncertainties 9 Test report <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Annex A (informative) Guidance on requirements for windings and instrumentation in order to minimise additional losses A.1 General A.2 Reduction of additional losses <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Annex B (informative) Digital sampling technique for the determination of magnetic properties and numerical air flux compensation B.1 General B.2 Technical details and requirements <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | B.3 Calibration aspects B.4 Numerical air flux compensation <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Annex C (informative) Sinusoidal waveform control by digital means <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Magnetic materials – Methods of measurement of the magnetic properties of magnetically soft metallic and powder materials at frequencies in the range 20 Hz to 100 kHz by the use of ring specimens<\/b><\/p>\n |