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Three Phase Voltage Current Source
Three Phase Voltage Current Source
Three Phase Voltage Current Source
Three Phase Voltage Current Source
Three Phase Voltage Current Source
Three Phase Voltage Current Source

GF303D PORTABLE THREE PHASE AC VOLTAGE AND CURRENT SOURCE

The GF303D electrical power calibrator can also be used to type test 0.1% to 2% energy meters. Choose the GF303D electrical power calibrator when you need the highest accuracy available for calibrating secondary standard meters, energy revenue meters and type test applications. The model GF303D three phase power source is electric AC voltage, current and power calibrator for calibration of power meters, power transducers, current meter, voltage meter and generally all kinds of power measuring devices. AC voltage, current, power functions have calibrated phase shift in frequency range from 40 Hz to 70Hz with resolution as good as 0.001 Hz. It have three channel voltage and three phase current independent output, any programmable setting, low phase shift, high stability 0.01%/1min, as standard three phase voltage source, three phase current source and three phase power source , is a high precision portable calibration tool in electrical laboratory.

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APPLICATION

■ Universities;

■ Energy meter R & D;

■ Electrical testing center;

■ AMI Research institutes;

■ Transducer manufacturers;

■ Panel meter manufacturers;

■ Power meter manufacturers;

■ Digital meter manufacturers;

■ Pointer meter manufacturers;

■ Railway electrical department;

■ ISO17025 Electrical laboratory;

■ Measurement and control device factory;

■ Electricity power bureau & power company;

■ Power engineering commissioning company;

■ Manufacturer of reactive power compensation device;

■ Electrical Department of industrial and mining enterprises;

FEATURES

■ Range switching automatically;

■ Programmable by professional users;

■ With RS232 interface, PC Software optional;

■ Apply the 32 bit MPU + DSP + CPLD, powerful flexible;

■ Three channel voltage and three channel current output;

■ Display of vector diagram, Symbols according to IEC387;

■ Software calibration, simple operation, stable and reliable;

■ As a high-power current source, voltage source and power source;

■ High-power power source, high stability, waveform distortion degree is small;

■ Big touch screen, 7-inch TFT color LCD display, English menu, operating simply;

■ Hardware PID, fast response, the change of load will not cause output volatility;

■ Voltage & current output range widely from 0-120A/0-600V/40-70HZ/0-360.000°

■ Setting up and take the load regulation of voltage, current, phase angle, frequency and power factor etc;

■ Setting 2-63 times harmonics of amplitude and phase, and it can be added to the base wave in every harmonic output;

■ Strong with load ability, capacitive load & resistance of composite type load or load and load regulation is higher than 0.01%;

■ Industrial frequency waves as high as 5000points/cycle, signal output without filter, precise output waveform, the harmonic output precision, harmonic distortion degree is small;

■ Over-current, over-voltage, over-heat, shorts-and-opens, overload protection, failure detection automatically;

PARAMETERS

Electrical parameters
Accuracy class 0.02%, 0.05%, 0.1%
Power supply Single phase AC 85-265 V, frequency 50/60 Hz
AC Voltage output
Range (U1, U2, U3 phase) 57.7V/100V/220V/380V; range switch automatically(Max 500V)
Adjust fineness 0.01% RG
Accuracy 0.02% RG, 0.05% RG
Stability <0.01% RG/120s
Distortion degree <0.3% (not capacitive load)
Output power 25VA or 50VA
Full load regulation rate 0.01% RG
Full load regulation time Less than 1mS
Long-term stability ± 60 PPM/year
AC Current output
Range (I1, I2, I3 phase) 0.2A, 1A, 5A, 20A, 100A; range switch automatically
Adjustment range (0-120)%RG
Adjust fineness 0.01% RG
Accuracy 0.02% RG, 0.05% RG
Stability <0.01% RG/120s
Distortion degree <0.3% (not capacitive load)
Output power 50VA or 100VA
Full load regulation rate 0.01% RG
Full load regulation time Less than 1mS
Long-term stability ± 60 PPM/year
Power output
Accuracy 0.02% RG, 0.05% RG
Stability 0.01% RG/120s
Phase angle
Adjusting range 0.000°-359.999°
Output adjustment fineness 10, 1, 0.1, 0.01 as optional.
Resolution 0.001°
Accuracy 0.02° or 0.05°
Power factor
Adjusting range -1 ~ 0 ~ +1
Resolution 0.0001
Accuracy 0.0005
Frequency
Adjusting range 40.000-70.000 Hz
Output adjustment fineness 5Hz, 1Hz, 0.1Hz, 0.01Hz as optional.
Resolution 0.001 Hz
Accuracy 0.002 Hz
Temperature drift ± 0.5 PPM/°C
Long-term stability ± 4 PPM/year
Harmonic accuracy
Harmonic number 2-63times
Harmonic content 0-40%
Harmonic phase 0°-359.99°
Harmonic phase accuracy < 0.01°
Harmonic set accuracy 0.1% (relative to the base wave ratings)
Functions
Communication Port RS232
Programmable controlled Yes
Key 29pcs
LCD 7 inch TFT color touch display
PC control software Optional
Standard
Standard IEC 62053-21,22, 23; IEC 60736; ANSI C12.20-2002;
JJG 597-2005; JJG596-2012; JJG 1085-2013; JJF 68-2019;
DL/T 826-2002; DL/T 1478-2015; DL/T 448-2016
Safety
Isolation protection IEC 61010-1:2001
Measurement Category 300 V CAT III, 600 V CAT II
Degree of protection IP20
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H) (mm) 500x600x175
Weight (kg) 12, 15, 18, 20, 25
Environmental conditions
Working temperature 0°C to 50°C
Storage condition -30°C to -60°C
Relative humidity ≤ 85%

SELECTION GUIDE

NO. Accuracy Voltage range Current Range Weight
303D1201 0.1% 0-500V 0-120A 25KG
303D12005 0.05% 0-500V 0-120A 25KG
303D501 0.1% 0-500V 0-50A 20KG
303D5005 0.05% 0-500V 0-50A 20KG
303D241 0.1% 0-500V 0-24A 18KG
303D2405 0.05% 0-500V 0-24A 18KG
303D121 0.1% 0-380V 0-12A 15KG
303D1205 0.05% 0-380V 0-12A 15KG
303D61 0.1% 0-380V 0-6A 12KG
303D605 0.05% 0-380V 0-6A 12KG

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