7
The phase shifter has the characteristics of easy operation, small size,
low noise and good output waveform, whith is able to meet the test and
calibration for high AC power and phase of single or three phases, phase and
other, and can also be used among test device of meter.
Ⅲ
. MAIN TECHNOLOGY INDICATORS
1.Input voltage
：
Three-phase four-wire 3×380(220)V
50Hz
2.Output Voltage
：
Three-phase four-wire 3×(0~380) / (0~220)
，
Three and a
half figures display, accuracy: 1.0grade
Output current: AC 0-20A Three and a half figures display, accuracy:
1.0grade
3.Maximum output capacity 3×300VA
4.Rough tune of three phase: 0° ~ 360°, 30° to phase shift of each step
5.fine tune for three phase: -3° ~ 18°, 12° ~ 33°, four figures display, accuracy:
0.5grade
6. Voltage fluctuation: rough tune ≤ 1.5%, fine tune ≤ 2.0%
7.Waveform distortion: distortion of input waveform ≤ distortion of output
waveform
8.Increasing of temperature:
＜
60
℃
9. Insulation resistance: ≥ 22MΩ
10.Pressure test: 1.5kV/min
11.Environment: temperature -10
℃
~ 40
℃
, humidity
＜
80%
