The relay protection tester under UHV power can help many power workers conduct various power tests more conveniently.

Microcomputer relay protection has been widely used in various fields such as line protection, differential protection, primary transformer, excitation control, etc. Integrated automation of substations has become mainstream. Relay protection tester is an important testing tool for ensuring the safe and reliable operation of power systems. With the rapid development of computer technology, microelectronics technology, and power electronics technology, continuously introducing the latest technological achievements of new high-performance relay protection test devices is an inevitable trend of technological progress.

The full name of the microcomputer relay protection tester is: microcomputer relay protection calibrator, microcomputer continuous protection, relay protection tester, three-phase relay protection tester, emergency tester, three-phase success tester, three-phase relay protection calibrator, reconfirmer, three-phase relay phase follow-up tester, relative.

Instrument features:

1. Intelligent host, controlled by DSP chip and 16 bit DAC output, can generate high-density sine waves of 2000 points per week, reaching the highest level of domestic testing instruments. Greatly improved waveform quality and enhanced the accuracy of the testing instrument.

2. Single machine independent operation, the device is operated by rotating the mouse through a large LCD screen.

3. Join the computer to run, connect the machine to print reports, etc.

4. The "foolproof" operation adopts an advanced "photoelectric rotating mouse" controller, which eliminates complex keyboard operations, does not require computer knowledge, and is easy to learn.

5. Modular design, all plugins are completely independent and only require hardware maintenance and upgrades.

6. Due to the six phase current and six phase voltage output, the projection setting and microcomputer differential protection device facilitate testing, making this test more perfect.

7. Single machine operation, built-in high-performance industrial computer, mobile frequency of 300-600MHz, 128M memory, 12G hard drive, running Windows

XP operating system, the panel adopts advanced stainless steel keyboard, trajectory mouse 8.4-inch TFT true color LCD display.

8. Simultaneously output six phase current and six phase voltage.

9. Convenient for testing self switching devices and microcomputer differential protection devices.

10. It can verify various relays, protections, and safety automatic devices, and simulate various complex transient, permanent, and transition faults. Real test data, display vectors, draw various characteristic curves, print reports online, etc.

11. Using USB 2.0 interface to connect to PC, no need to connect, easy to use.

12. The whole machine adopts switch power supply and switch amplifier technology.

13. Modular design, all plugins are completely independent, and hardware maintenance and upgrades can be achieved by simply replacing the plugins.

14. Free configuration, such as 6-phase current, 5-phase voltage+2-phase current, etc.

15. Users can calibrate the accuracy of the tester through software

16. Replay fault record data in COMTRADE format.

17. The power factor correction circuit is designed according to international standards to achieve an efficiency of over 95% for the device.

18. When the power supply voltage of the microcomputer relay tester drops to 120V, it can still ensure the normal operation of the device.

19. The amplifier adopts hardware protection to ensure the reliability of the equipment.