The WZ-3080 three-phase AC standard source adopts a meter source integrated structure and fully digital closed-loop standard source technology. It uses embedded systems, large screen TFT color LCD displays, CPLD chips, and a series of advanced devices such as high-precision A/D and D/A. It is small in size and light in weight, and can be widely used in the energy metering industry, electrical laboratories, and other related departments, making it easy to carry to the site for use. |
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Three phase AC standard source, three-phase programmable test power source, three-phase programmable power source, three-phase precision programmable power source, three-phase standard programmable power source, three-phase harmonic standard source, and three-phase standard power source. |
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1. Touch screen control panel and facial mask button are used to display large amount of information, which is simple and convenient to use. 2. Embedded high-level standard power energy meters are used as standards for digital closed-loop feedback, and various parameters such as voltage, current, frequency, phase, active power, reactive power, apparent power, power factor, etc. can be used as standards. 3. It has multiple protection functions: current limiting protection, power amplifier protection, voltage short circuit protection, current open circuit protection, power amplifier thermal protection, etc. 4. The three-phase voltage and current circuits are independently controlled, and the output parameters of each phase voltage and current can be adjusted separately. 5. Intelligent gear: Within the allowable output range of the instrument, users can freely set the rated voltage and current gear of each three-phase voltage and current. The test points and adjustment fineness of voltage and current are all based on the rated gear values set by the user, making it convenient for users to operate. 6. The voltage, current, and phase test points are abundant and easy to operate. 7. Equipped with RS232 serial port, open communication protocol, convenient for computer control and software upgrade. |
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1. Power output: 1) AC phase voltage output a. Adjustment fineness: 0.01% RG b. Resolution: 6 significant digits c. Accuracy: better than ± 0.1% RG d. Stability: better than ± 0.02% RG/1min e. Distortion: better than 0.2% (non capacitive load) f. Output power: rated 20VA per phase g. Full load adjustment rate: less than ± 0.01% RG h. Output range: 10V~460V i. Gear settings: 57.7V, 100V, 220V, 380V, internal automatic gear switching. 2) AC current output a. Adjustment fineness: 0.01% RG b. Accuracy: better than ± 0.1% RG c. Resolution: 6 significant digits d. Stability: better than ± 0.02% RG/1min e. Distortion: better than 0.5% f. Output power: Rated output of 20VA per phase. g. Full load adjustment rate: less than ± 0.01% RG h. Output range: 1mA~24A i. Gear settings: 0.2A, 1A, 5A, 20A, automatic gear switching 3) Power output a. Accuracy: better than 0.1% RG b. Stability: better than 0.02%/1min. c. Resolution: 6 significant digits (active power, reactive power, apparent power) 4) Power factor a. Adjustment range: -1 to 0 to+1; b. Resolution: 0.00001; c. Accuracy: 0.001. 5) Phase a. Adjustment range: 0-359.99 ° b. Resolution: 0.001 ° c. Accuracy: ± 0.05 ° 6) Frequency a. Adjustment range: 40Hz~70Hz b. Resolution: 0.001Hz c. Accuracy: ± 0.005Hz 7) Harmonics It can accurately output 2-31 harmonics, and each harmonic can be combined and stacked together for simultaneous output. However, the total harmonic content of the output harmonics should not exceed the limits listed in the table below. The accuracy of harmonic content display is 0.1%, and the resolution of harmonic content display is 4 significant digits. The adjustment range of harmonic phase (relative to the fundamental wave) is 0-359.99 °.
2. Common output adjustment test points provided by the instrument 1) Voltage test points: 50%, 80%, 100%, 110%, 120%. 2) Current test points: 5%, 10%, 20%, 50%, 70%, 100%, 120%. 3) Phase test points: 0.5L, 0.8L, 1.0, 0.8C, 0.5C. 4) The amplitude of three-phase voltage and current can be adjusted separately, with adjustment fineness of 10%, 1%, 0.1%, and 0.01%; The maximum adjustment range is 125%. 5) The phase and power factor of three-phase voltage and current can also be adjusted separately, with adjustment fineness of 10 °, 1 °, 0.1 °, and 0.01 °, respectively. 6) UB and UC can also adjust the phase of UA separately. 7) The frequency adjustment is achieved by adjusting the three-phase voltage and current together, with adjustment fineness of 5Hz 8) 1 Hz、0.1 Hz、0.01 Hz。 3. Power supply: single-phase AC 220V, 50/60Hz. 4. External dimensions: 450 * 480 * 153mm 5. Weight: 18Kg. |