Functions

Regarded as power source for the test bench of three-phase energy meter with high accurate and for three-phase equipment
Freely set and voltage, current, phase, power factor and frequency and conduct load adjustment load
Adopt four adjustment resolutions for output value
Set amplitude and phase of 2 to 21 times harmonic
Solved the problem of unstable output caused by electromagnetic interference and applied as power source for conducting EMC tests of electrostatic, surge and burst of pulses

程控三相功率源

CL309 Features

Equipped with protective device between power input and power source output; no impact on power grid during the output of power source
Wide output range of voltage and current; large power; high –degree of stability and low-degree of waveform distortion
Solve the interference problem of power frequency and beat frequency; thus stable operation
High resolution of output value; e.g. voltage, current and power is better than 2×10^-5, phase 0.001° and frequency 0.001 Hz
Enhance the stability of power amplifier tube of large power, thus less fault rate
Auto switch for all gears
Auto fault detection and perfect protective function
Adopt RS232 and RS485 port to connect with PC

程控三相功率源

CL309 Specifications (RD stands for “readind data” and RG for “range”)

Item	Parameter
Output Voltage
Gear	57.7 V, 100 V, 220 V, 380 V, auto switch
Adjustment resolution	0.01% RG, 0.1% RG, 1% RG, 10% RG, free selection
Display accuracy	≤0.1% RG
Output Current
Gear	0.01 A, 0.02 A, 0.05 A, 0.1 A, 0.25 A, 0.5 A, 1 A, 2.5 A, 5 A, 10 A, 25 A, 50 A, 100 A, auto switch
Adjustment resolution	0.01% RG, 0.1% RG, 1% RG, 10% RG, free selection
Display accuracy	≤0.1% RG
Output Voltage, Current and Power Stability	0.02% / 120s
Phase Output
Adjustment Range	0.00°～359.99°
Adjustment resolution	0.01°, 0.1°, 1°, 10°, free selection
Display accuracy	0.05°
Frequency
Adjustment range	45 Hz ～ 65 Hz
Adjustment resolution	0.001 Hz, 0.01 Hz, 0.1 Hz, 1Hz, free selection
Display accuracy	0.01 Hz
Harmonic
Harmonic times	2 ～ 21
Adjustment resolution	0.1% (compared with fundamental wave)
Harmonic contents (compared with fundamental wave)
voltage	2 ～ 21 times ≤40%
Current	2 ～ 21 times ≤40%
Harmonic phase	0° ～ 360°
Distortion	0.5% (in conditions of linear load)
Symmetry of Three-phase Energy
Phase difference of three-phase voltage	Three-phase four-wire voltage: 120° ± 0.5°; Three-phase three-wire voltage: 60° ± 0.5°
Phase difference of three-phase current	120° ± 0.5°
Max. value of phase difference between phase voltage and phase current	± 0.5°
Output Capacity
Voltage	Min. 100 VA and max. 900 VA for each phase
Current	Min. 200 VA and max. 1600 VA for each phase
Others
Power supply	AC 3 × 220/380 V ± 10%, 50 Hz
Operating temperature	0 ℃ ～ 40 ℃
Relative humidity	≤ 85 %
Weight	≤ 120 kg

程控三相功率源

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