The WZ-1030D single-phase AC standard source is carefully developed based on the relevant calibration regulations of the country and the Ministry of Electric Power, after years of practical application. This product adopts a large-scale programmable logic gate array (FPGA), a high-speed and high-precision D/A converter, and generates single-phase two-way adjustable frequency, amplitude, and phase signal sources through direct digital synthesis (DDS) technology. The two signals are then amplified by high-power precision operational amplifiers. This product is equipped with high-precision voltage, current, power, and energy standards. It adopts analog closed-loop feedback and digital PID regulation to automatically and stably track and set parameters for output voltage, current, frequency, and phase over a long period of time.

This product integrates power frequency indicator instruments and energy meter standards. It can calibrate various electrical instruments and can be connected to a PC to achieve full automation of the calibration process and comprehensive management of calibration data.

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1. Adopting a parallel server structure and large-scale programmable logic circuit (FPGA), the structure is the simplest and the reliability is the best.

2. Adopting high-precision and high-power precision operational amplifiers to provide high fidelity and high impact resistance to the output signal.

3. Built in high-precision voltage, current, frequency, phase, power standard, PID regulation output, ensuring the long-term high precision and stability of the entire device. Dual output protection

4. Chinese color LCD display, easy to use and operate.

5. Adopting exquisite aluminum alloy chassis, with beautiful appearance, light weight, and a total weight of less than 12Kg.

1. Output power frequency voltage

1) Output range: 0V~720V

2) Rated voltage range: 25V, 50V, 100V, 200V, 400V, 600V

3) Adjustment range: 0-120%

4) Adjust fineness: 5 × 10-5

5) Accuracy: The error of each rated range is ≤± 0.06% (reading) ± 0.04% (full scale) at level 0.1

Error ≤± 0.03% (reading) ± 0.02% (full scale) 0.05 level

6) Output power: Each rated range is 100% full, and the output power is not less than 20VA during output

2. Output power frequency current

1) Output range: 0A~24A

2) Rated current range: 0.1A, 0.5A, 1A, 5A, 10A, 20A

3) Accuracy: The error of each rated range is ≤± 0.06% (reading) ± 0.04% (full scale) at level 0.1

Error ≤± 0.03% (reading) ± 0.02% (full scale) 0.05 level

4) Output power: When the range is 1-20A and the output is 100% full, the output power should not be less than 20VA

3. Output frequency

1) Frequency range: 45Hz~65Hz

2) Frequency resolution: 0.001Hz Accuracy: 0.01Hz

4. Output phase

1) Phase range: 0.00 °~359.99 °

2) Phase output accuracy: 0.1 °

5. Output harmonics

1) Harmonic 2-32nd order amplitude 0-20%,

2) The phase fineness of each harmonic is 0.010 · N (N is the harmonic order)

6. Output waveform distortion: AC voltage and current output waveform distortion ≤ 0.3%

7. Output power frequency

1) Output power range: any combination of rated voltage range and rated current range

2) Each rated range: error ≤ ± 0.06% (reading) ± 0.04% (full scale) 0.1 level

Error ≤± 0.03% (reading) ± 0.02% (full scale) 0.05 level

3) The accuracy of reactive power decreases by one level

8. Energy meter measurement: comprehensive error of 0.1/0.05% FS (pulse output ≤ 90kHz); Three phase rated value=60kHz)

9. Other parameters

1) Working power supply: single-phase 220V ± 10%, 50Hz ± 5%.

2) Usage environment: Temperature 20 ℃± 10 ℃, relative humidity ≤ 85% RH

3) Volume weight: 460 × 480 × 200mm3, approximately 18kg