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Issue 03/01
10 Engineering Information
MICROMASTER 411 & COMBIMASTER 411 Operating Instructions
6SE6400-5CA00-0BP0
117
Figure 10-1 Current Limit Interaction
10.1.1 Current
Monitoring
Accuracy
Table 10-1 shows sample results comparing current measured with a current
scope, and the current displayed on the inverter, using measurements taken from a
variety of inverters at various switching frequencies, current loads, frequency
setpoints and cable lengths.
Table 10-1
Measured Current Monitoring Accuracy
Inverter
Frame Size B, 400 V
1,5 kW
Frame Size C, 400 V
3,0 kW
Switching frequency
4 kHz
4 kHz
Load on inverter
Nominal load
4 A
Nominal load
7,7 A
Frequency setpoint
45 Hz
45 Hz
Scope current (long cable)*
4,00 A
7,70 A
Drive current
4,05 A
7,46 A
% difference (inverter/scope)*
1,32 %
-3,9 %
Содержание COMBIMASTER 411
Страница 40: ...2 Installation Issue 03 01 MICROMASTER 411 COMBIMASTER 411 Operating Instructions 40 6SE6400 5CA00 0BP0 ...
Страница 60: ...3 Commissioning Issue 03 01 MICROMASTER 411 COMBIMASTER 411 Operating Instructions 60 6SE6400 5CA00 0BP0 ...
Страница 92: ...6 Troubleshooting Issue 03 01 MICROMASTER 411 COMBIMASTER 411 Operating Instructions 92 6SE6400 5CA00 0BP0 ...
Страница 98: ...7 Specifications Issue 03 01 MICROMASTER 411 COMBIMASTER 411 Operating Instructions 98 6SE6400 5CA00 0BP0 ...
Страница 102: ...8 Options Issue 03 01 MICROMASTER 411 COMBIMASTER 411 Operating Instructions 102 6SE6400 5CA00 0BP0 8 4 PROFIBUS Module ...
Страница 103: ...Issue 03 01 8 Options MICROMASTER 411 COMBIMASTER 411 Operating Instructions 6SE6400 5CA00 0BP0 103 8 5 EM Brake Module ...
Страница 154: ......
Страница 162: ...MICROMASTER 411 COMBIMASTER 411 Operating Instructions 162 6SE6400 5CA00 0BP0 ...
Страница 163: ...Issue 03 01 Geräteansicht MICROMASTER 411 COMBIMASTER 411 Operating Instructions 6SE6400 5CA00 0BP0 163 ...