Power Quality Monitoring

▼Chapter 4Technical dataConventional and detuned automatic PFC-systems▼InformationPFC-systems without reactors must not be used (refer to DIN EN61921 and other norms)in the following situations: Converter power (non-linear loads) > 15 % of the connection power Overall harmonic distortion of THD-U > 3 %Networks with de-tuned capacitorsCritical ripple control systems within a range of 270-425HzPFC output > 35% of the transformer or connection powerTechnical data for automatic PFC-systemsStandardsDIN, VDE 0660 part 500, EN60439-1 and EN60831-1/2Design in accordance with:DIN EN60439 part 1, partially type tested combinationConstruction formSteel plate cabinet for KB and ES versionsMounting plate for MP versionModule for MO versionPower factor controllerProphi ® according to data sheet or selection tableNominal voltage400 V, 50 Hz; other voltages upon requestControl voltage230 V, 50 HzCapacitor voltage 440 V at 5.67 - 7 %, 525 V at 14%Voltage rating ofthe capacitorPower lossesAt p=5.67 - 7 % 440 V at p = 14% 525 V8 hours each day 484 V 577 V30 minutes each day 506 V 604 V5 minutes 528 V 630 V1 minute 572 V 682 VCapacitors 350Hz p=5.67% fr=210Hz125