The WZ-CFD DC power supply comprehensive characteristic tester is developed based on years of research and development achievements, long-term on-site operation experience, and advanced technologies at home and abroad. This device can realize the detection and testing of different capacity chargers and battery pack capacities of 500 A · h and below, and can accurately and reliably test the voltage stabilization accuracy, current stabilization accuracy, ripple system, discharge capacity and other parameters of the substation DC power supply system.

The WZ-CFD DC power supply comprehensive characteristic tester adopts the latest PC as the host, equipped with LCD display, micro printer and other devices. Long term on-site operation has shown that the device has the advantages of complete functionality, strong anti-interference ability, high reliability, good transparency, simple structure, easy portability, and compliance with national standards.

DC system comprehensive tester, DC power supply comprehensive characteristic tester, DC power supply (charger) comprehensive characteristic tester.

1. Fully automatic testing, the device completes various test functions in a menu based manner.

2. The host system adopts a new high-speed industrial PC as the processor and large-scale integrated circuit (CPLD), which has high reliability and excellent performance.

3. Comes with a large screen graphic LCD and a 5.6-inch color screen, with a fully Chinese graphical interface that is easy to operate and use.

4. Adopting a three-phase automatic CNC voltage regulator, it has high output accuracy, high power, and high voltage stability.

5. Adopting a new type of high-power consumption device as the load, with strong load capacity, high accuracy, small size, light weight, and no open flame discharge. The structure adopts an integrated design, making it easy to carry.

6. The load resistors are arranged in an orderly manner using code 8421 and can be combined arbitrarily to meet the load requirements of the user.

7. During the discharge process, the discharge current remains constant.

8. Set up with just three keys, input numbers directly, print on-site, and have RS232 and USB interfaces.

9. Complete upper computer functions, including analysis, data storage, and comparison to determine faults.

1. Working power supply: AC 220V ± 15% frequency 50HZ

2. Power consumption: The whole machine does not exceed 50W

3. Environmental temperature: -20 ℃ -+55 ℃

4. Rated power of three-phase voltage regulator: 15KVA, rated current: 25A

5. Rated discharge current: ≤ 30A (current can be customized)

6. Voltage measurement accuracy: ≤ 0.2%

7. Current measurement accuracy: ≤ 0.5%

8. Dimensions and weight: Tester size: 500 × 360 × 420 (mm); Weight: 15kg

Three phase voltage regulating device size: 260 × 350 × 600 (mm); Weight: 18kg

9. Applicable voltage levels: 110V and 220V

10. Data record: Memory greater than 256MB

11. Interface method: Both USB and RS232 are built-in

12. Working hours: Continuous and uninterrupted