The WZ-3030A three-phase AC standard source can generate three-phase power frequency voltage and current signals with adjustable amplitude, phase angle, frequency, and stable power.Mainly used for testing and calibration of digital indicators such as energy meters, voltmeters, ammeters, phase meters, frequency meters, power meters, and power factor meters, as well as testing and calibration of electrical sensors such as instrument voltage transformers, current transformers, clamp current transformers, and testing and calibration of electrical transmitters such as voltage transmitters, current transmitters, power transmitters, power factor transmitters, and frequency transmitters; Testing and calibration of electrical testing instruments such as reactive power compensation controllers, power data collectors, on-site calibrators for energy meters, power parameter testers, voltage monitors, distribution load monitors, multifunctional power meters, load management terminals, and loss of voltage and current timers.

This three-phase standard source is designed using high-precision sampling technology and combined with the latest digital signal processing methods. With advanced technology, excellent performance, small size, light weight and convenient carrying, it can be used both in laboratory and on site.

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1. Voltage, current, phase, and power are all high-precision and high stability standard source outputs, calibrated by software. All outputs adopt dynamic load automatic adjustment technology, which reduces the load adjustment rate.

2. The output frequency can be adjusted to any fineness of 0.001Hz. The phase shift between three-phase voltages, three-phase currents, and the voltage and current of each phase can be arbitrarily adjusted by 0.001 ° fineness.

3. It can output 2-50 standard modulation harmonics and can perform single or arbitrary multiple harmonic superposition output.

4. Adopting a large screen 800 * 600 TFT true color LCD combined with user-friendly graphical Chinese window display, the operation mode of mouse+keyboard+panel buttons is suitable for operators with different habits.

5. Equipped with a fully spelled Chinese character input system, it can add Chinese character associative input according to customer requirements.

6. Design a large capacity FLASH ROM that can store calibration result data and transmit data to the upper computer.

7. There are commonly used test points for voltage, current, power, and phase, which can be easily and efficiently achieved with just one click.

8. Equipped with a digital rotary encoder for convenient parameter adjustment of various fineness levels.

9. Using a large-scale CPLD chip to design one's own dedicated IC simplifies the circuit and improves reliability.

10. Equipped with multiple alarm and protection functions, it can detect faults on its own and accurately display the type and location of the fault, ensuring safe and reliable use.

11. Equipped with multiple communication interfaces and open communication protocols, users can program and control the instrument for secondary development.

1. AC voltage output

Quantity limit: 380V, 220V, 100V, 57.735V

Adjustment range: (0-120)% RG Adjustment fineness: 0.001% RG

Accuracy: 0.05% RG Stability: ≤ 0.005%/2min

Output load: 20VA per phase Load adjustment rate: 0.02%

Distortion: ≤ 0.05% (non capacitive load);

2. AC current output

Quantity limit: 20A, 5A, 2A, 1A

Adjustment range: (0-120)% RG Adjustment fineness: 0.001% RG

Accuracy: 0.05% RG Stability: ≤ 0.005%/2min

Output load: 20VA per phase Load adjustment rate: 0.02%

Distortion: ≤ 0.05% (non capacitive load)

3. Power output

Accuracy: 0.05% RG Stability: 0.005% RG/2min

4. Phase

Adjustment range: 0 °~359.999 ° Resolution: 0.001 °

Accuracy: 0.05 °

5. Power factor

Adjustment range: -1~0~+1 Resolution: 0.00001

Accuracy: 0.05% RG

6. Frequency

Adjustment range: 40Hz~70Hz Resolution: 0.0001Hz

Accuracy: 0.0005Hz

7. Voltage and current harmonic settings

Harmonic frequency: 2-50 times

Total harmonic content: 0-40.00%

Harmonic phase: 0 °~359.999 °

Harmonic setting accuracy: (10% ± 0.1%) RD, RD is the set harmonic content

8. Environmental conditions

Working temperature: 0 ℃~40 ℃;Relative humidity: ≤ 85%

Storage conditions: -30 ℃ to 60 ℃;Working power supply: AC220V ± 15%

9. Exterior dimensions and weight

Appearance dimensions: 440mm × 177mm × 370mm;Weight: 15Kg