GDYB-S20 Three Phase Energy Meter Test System
GDYB series Three Equal Potential Multi-function Electric Energy Meter Test System is well-developed third generation electronic programmable three phase electric energy meter multifunctional test system according to the latest national standards and regulations. Adopts insulated 0.01% high precision 1:1 current transformer technology, to achieve test of voltage inner connected shunt three phase meter. It is suitable for testing of various three phase electric energy meter of 0.2% and below (includes sinusoidal reactive power meter). It has good appearance, complete functions and excellent performance.
GB/T 11150-2001 Testing equipment for electrical energy meters (neq IEC 60736)
JJG 307-2006 Electromechanical Meters for Measuring Alternating-current Electrical Energy
JJG 596-1999 Electrical Energy Meters with Electronics
JJG 597-2005 Verification Equipment for AC Electrical Energy Meters
DL/T 614-1997 Multifunction watthour meter
DL/T 614-2007 Multifunction electricity metering equipment (A.C.)
Environmental condition
Operating environmental temperature: 23℃±2℃.
Operating environmental humidity: 45％~75％.
Power supply
Single phase: AC220V±33V. Frequency: 50±2.5Hz
Type No.: GDYB-S20 Three Phase Electric Energy Meter Test System.
System accuracy: 0.05%. 0.1%.
Standard meter accuracy: 0.05% Three phase multi-functional standard meter.
Voltage & Current measuring range:
Output voltage step: 57.7V/100V/220V/380V.
Output current step: 0.005A, 0.025A, 0.1A, 0.25A, 0.5A, 1A, 2.5A, 5A, 10A, 25A, 50A, 100A.
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).
