Product Description
GF303 Program-controlled Three-phase Standard Power Source (Accuracy class 0.05/0.1) Application It is suitable for power department, measuring department, quality control department, research units, and institutions of higher learning, and electric energy meter, power distribution terminals, power supply management, load control, power quality, reactive power compensation device and the production of enterprise etc. Type: GF303 program-controlled three-phase standard power source, GF303H program-controlled three-phase standard power source (industrial control model) Main functions and features • To set up and take the load regulation of voltage, current, phase angle ，frequency and power factor etc; • To set 2 ~ 128 times of the amplitude and phase harmonics, and it can be added to the base wave in every harmonic output; • Frequency points is adjustable (AB and phase C); • Voltage, current output a wide range, big power, high stability, waveform distortion degree is small; • Strong with load ability, but it can take capacitive, sensibility, resistance of composite type load or load and load regulation is higher than 0.01%; • To apply the 32 bit MPU + DSP + FPGA, powerful flexible; • To use hardware PID, fast response, the change of load will not cause output volatility; • Industrial frequency waves as high as 50000 points a week of the wave kneading, signal output without filter, precise output waveform, the harmonic output precision, harmonic distortion degree is small; • Range switching automatically • To use software calibration, simple operation, stable and reliable; To have big screen, 320 x 240 LCD display, Chinese or English interface, operating simplely; • To have perfect over-current, over-voltage, heat, a shorts-and-opens, overload protection, failure detection automatically; • With RS232 interface, and PC connection • To take place machine software, it can be output through the PC software program; Technical Data AC voltage output Range: 57.7 V ,100 V , 220 V , 380 V; range switch automatically Adjust fineness: 0.01% RG Accuracy: 0.05% RG Stability: 0.005% RG / 200 s Distortion degree: ＜0.1% (not capacitive load) Output power: 25 VA Full load regulation rate: 0.01% RG Full load regulation time: less than 1 mS Long-term stability: ± 60 PPM/year AC current output Range: 0.1, 0.25 A , 0.5, 1 A , 5 A ,10 A , 20 A; range switch automatically Adjust fineness: 0.01% RG Accuracy: 0.05% RG Stability: 0.005% RG / 200 s Distortion degree:＜ 0.1% (not capacitive load) Output power: 25 VA Full load regulation rate: 0.01% RG Full load regulation time: less than 1 mS Long-term stability: ± 60 PPM/year Power output Accuracy: 0.05% RG Stability: 0.005% RG / 200 s Phase angle Adjusting range: 0 ~ 359.999° Resolution: 0.001° Accuracy: 0.03° Frequency Adjusting range: 40 Hz ~ 65 Hz Resolution: 0.002 Hz Accuracy: 0.002 Hz Temperature drift: ± 0.5 PPM / ℃ Long-term stability: ± 4 PPM/year Power factor Adjusting range:-1 ~ 0 ~ + 1; Resolution: 0.0001; Accuracy: 0.0005. Harmonic accuracy Harmonic phase: 0 ~ 359.99° Harmonic phase accuracy:
