GDYB-S3 Three Phase Energy Meter Test System (3 positions)

System accuracy: 0.1%;
Three phase source parameter:
a. Output voltage:
3*57.7VY 3*100V ∆ ;
3*220V Y 3*380V ∆;
Adjustable range 0～120% continuously adjustable
Adjustment fineness: better than 0.01%
b. Output current: 25mA, 0.1A, 1A, 5A, 25A,100A;
Adjustable range 0～120% continuously adjustable
Adjustment fineness: better than 0.01%
Mininum output current: 1mA (accuracy: <5%)
c. Output power: (voltage circuit) 3 * 50VA
(current circuit) 3 * 150VA
d. Output voltage, current, power stability: ≤0.02%/120S
e. Distortion degree of output voltage and current waveform: ≤0.5%
f. Symmetry of three phase angles: between 120°±0.3°
g. Frequency range: 45Hz~ 65Hz, step: 0.01Hz
h. Phase angle range: -180°~ 180°, step: 0.01°
i. Indicating metter accuracy: Voltmeter, ammeter: ±0.01%
Phase meter: ±0.01°
Frequency meter: ±0.01Hz

Minimum Output current: 1mA; accuracy: ≤5%;
Output load capacity (20 meters)
Voltage output: 800VA;
Current output: 2500VA;
Voltage & current adjustment
Adjustable range: (0%~120%) x measuring range;
Adjustable fineness: 10%, 1%, 0.1%, 0.01%;
Phase adjustment:
Adjustable range: 0°~360°;
Adjustable fineness: 10°, 1°, 0.1°, 0.01°;
Frequency adjustment:
Adjustable range: 45Hz~65Hz;
Adjustable fineness: 1Hz, 0.1Hz, 0.01Hz;
Output power stability: ≤0.05%/120S;
Output voltage & current distortion:
Voltage: ≤0.5%;
Current: ≤0.5%;
Harmonic settings:
Harmonic number: 2~21 times;
Harmonic content: current 2~21 times ≤40% (relative to fundamental wave);
voltage 2~21 times ≤40% (relative to fundamental wave);
Harmonic phase: 0°~359.99°;
Monitoring instrument:
Standard meter display accuracy: Voltage: 0.01%;
Current: 0.01%;
Power: 0.01%;
Phase: 0.01;
Frequency: 0.01;
Insulated 1:1 current transformer parameter:
Accuracy: 0.01%;
Output power: 60VA;
Current measuring range: 1mA~120A (1:1);
Main performance index
a) Accuracy: 0.01% (COS∮=0.5C…1…0.5L);
b) Rated frequency: 50Hz/60Hz±5%;
c) Primary current: 3×0.001-120A;
d) Secondary current: 3×0.001-120A;
e) Output load (each phase):
0.5W (output range: 0.001-1A);
0.7V divided by current value (output range: 1-120A);
f) Output load voltage: Max. 0.5V (output current Max. 120A);
Current transformer dimension: 265 x 200 x 240 mm (L x W x H);
Weight: 12kg;
Dimension:
Control source: 610 x 800 x 1920mm (L x W x H);
Meter rack: 2350 x 750 x 1850mm (L x W x H);