NFC-3050 High-Voltage Blindleistungs Auto Compensa

Technical Parameter Environmental requirement Height: ≤2500m Operating temperature: -20°C +60°C Storage temperature: -25°C +70°C Operating in the environment of no corrosive gas, no conductive dust and no explosive and flammable medium. The Installation site should be no violent vibration and erosion of snow and rain Power Supply Range: 85V 265V AC Direct Current Power Supply Weight: 0.75Kg Measurement: AC Sampling Measuring Voltage: 100V(High-voltage transformer secondary) Measuring Current: 0 5A or 0 1A Power Factor Measurement: lag 0.200 ahead 0.200 Harmonic Measurement: Digital display Input /Output signal The output of reactive power compensation :250V 5A Passive relay stem contract Alarm Output: 250V 5A Passive relay stem contract Communication Interface Data Communication port one : RS-232 Baud Rate: 1200,2400,4800,9600,38400 Communication port two : RS-485 Baud Rate: 1200,2400,4800,9600,38400 Parity Bit: can be set Measuring accuracy Voltage: ±0.5% Power : ±1.0% Electric current: ±0.5% Frequency :±0.1% Power factor : ±1.0% The statistics above is getting by 10 minutes' preheating of controller and calibration within one year. Over-voltage threshold : 105% 120% Under-voltage threshold : 70% 90% Voltage hyateresis : 10V 200V Harmonic voltage threshold : 0% 100% Harmonic current threshold : 0% 100% Delay protection : 1s 600s Voltage transformer : 1 600 Current transformer CT:1 1200 Input delay : 1s 600s Resection delay : 1s 600s Re-cast delay : 1s 600s Target COS: Lag 0.80 ahead 0.80 On limit : 0.2 1.2 Off limit :0.2 1.2