Three-phase Microcomputer Relay Protection Test Device Price is developed using the latest modern digital technology, high-precision electronic components, microcomputer systems, and new circuits and structures. It can independently complete device testing in professional fields such as microcomputer protection, relay protection, excitation, metering, and fault recording, and is widely used in scientific research, production, and electrical testing sites in industries such as electric power, petrochemical, metallurgy, railway, aerospace, and military.
Technical Parameters
1. AC Current Source
Phase current output (RMS): 0--40A/phase, accuracy 0.5%
Three-phase parallel output (RMS): 0--120A/three-phase same-phase parallel output
Long-term allowable working value of phase current (RMS): 10A
Power: 420VA/phase Three-phase parallel current output power: 900VA
Allowable working time for three-phase parallel current output: 10S
Frequency range: 0--1000HZ Accuracy: 0.001HZ
Harmonic order: 2--20 times Phase: 0~360° Accuracy: 0.1°
2. AC Voltage Source
Phase voltage output (RMS): 0--125V/phase Accuracy: 0.5%
Line voltage output (RMS): 0--250V
Phase voltage/line voltage output power: 75VA/100VA
Frequency range: 0--1000HZ Accuracy: 0.001HZ
Harmonic order: 2--20 times Phase: 0--360° Accuracy: 0.1°
3. DC Current Source
Current output: 0--±30A/phase Accuracy 0.5%
4. DC Voltage Source
Phase voltage output amplitude: 0--±150V Accuracy: 0.5%
Line voltage output amplitude: 0--±300V Phase voltage/line voltage output power: 90VA/180VA
5. Switching Quantities
Inputs: 8 pairs Dry contacts: 1--20mA, 110V internal active output of the device
Potential flip: 0--6VDC is low level 15--250VDC is high level
Outputs: 4 pairs, dry contacts, breaking capacity: 110V/2A, 220V/1A.
6. Time measurement range: 1ms--9999s Measurement accuracy <1ms
7. Dimensions and weight: 365*400*195 (mm) 16Kg
8. Working power supply: AC220V±10% 50HZ 10A
