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GF303G CABINET HIGH-POWER THREE PHASE PROGRAMMABLE POWER SOURCE

three phase programmable power source

The GF303G cabinet three phase programmable power source is a new high-power standard power source produced by GFUVE company. This product uses linear amplifier, stable output, small distortion and high power stability. It can also be used to type test 0.2s, 0.2% to 2% energy meters. Choose the GF303G AC power source when you need the highest accuracy available for calibrating secondary standard meters, energy revenue meters and type test applications.

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The model GF303G 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, harmonic source and three phase power source , is a high precision calibration tool in electrical laboratory. It offers a wide regulation range and high precision, and supports the output of multiple waveforms compliant with IEC Recommendation R46.

Features

  • Range switching automatically;
  • Programmable by professional users;
  • With RS232 interface, PC Software optional;
  • Supports a minimum output of 0.3mA current;
  • Apply the 32 bit MPU + DSP + CPLD, powerful flexible;
  • Display of vector diagram, Symbols according to IEC387;
  • Three channel voltage and three channel current output;
  • Software calibration, simple operation, stable and reliable;
  • Support voltage surge and dip and short time interruption test;
  • As a high-power current source, voltage source and power source;
  • Voltage & current output range widely from 0-120A/0-600V/40-70HZ/0-360.000°;
  • Big touch screen, 7-inch TFT color LCD display, English menu, operating simply;
  • High-power power source, high stability, waveform distortion degree is small;
  • Hardware PID, fast response, the change of load will not cause output volatility;
  • Setting up and take the load regulation of voltage, current, phase angle, frequency and power factor etc;
  • The maximum output power of voltage is 1200VA/phase, and the maximum output power of current is 2400VA/phase;
  • Over-current, over-voltage, over-heat, shorts-and-opens, overload protection, failure detection automatically;
  • 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;

Application

  • Universities;
  • Energy meter R & D;
  • AMI Research institutes;
  • Transducer manufacturers;
  • Panel meter manufacturers;
  • Power meter manufacturers;
  • Electrical testing center;
  • Digital meter manufacturers;
  • Railway electrical department;
  • ISO17025 Electrical laboratory;
  • Measurement and control device factory;
  • Power engineering commissioning company;
  • Electricity power bureau & power company;
  • Manufacturer of reactive power compensation device;
  • Electrical Department of industrial and mining enterprises;
    • x
 

Parameters

Electrical parameters
Accuracy 0.02%, 0.05%, 0.1%
Power supply Single phase AC 85-265 V or 380V, frequency 50/60 Hz
AC Voltage output
Range (U1, U2, U3 phase) 57.7V/100V/220V/380V; range switch automatically(Max 500V) or 69.3V, 120V, 240V, 480V( optional); Max 600V
Adjust fineness ±0.01%RG, ±0.1%RG, ±1%RG, ±10%RG
Accuracy 0.02% RG, 0.05% RG, 0.1% RG
Stability <0.01% RG/120s
Distortion degree <0.3% (not capacitive load)
Output power max 1200VA
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;
200A can be customized
Adjustment range (0-120)%RG
Adjust fineness ±0.01%RG, ±0.1%RG, ±1%RG, ±10%RG
Accuracy 0.02% RG, 0.05% RG, 0.1% RG
Stability <0.01% RG/120s
Distortion degree <0.3% (not capacitive load)
Output power max 2400VA
Full load regulation rate 0.01% RG
Full load regulation time Less than 1mS
Long-term stability ± 60 PPM/year
Power output
Accuracy 0.05% RG, 0.1% 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 -1.0000 ~ 0 ~ +1.0000
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 0.002Hz
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, USB2.0, RJ45 optional
Programmable controlled Yes
LCD 7 inch TFT color touch display
DIP Yes
Interruption Yes
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; OIML R46;
Safety
Isolation protection IEC 61010-1: 2001
Measurement Category 300V CAT III, 600V CAT II
Degree of protection IP20
Declaration of conformity CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H)(mm) 893x766x1924; 800 x600x1200
Weight (kg) less than 450; 120
Environmental conditions
Working temperature 0°C to 50°C
Storage conditions -30°C to -60°C
Relative humidity ≤85%

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