In the field of power system maintenance and commissioning, portable relay protection testers are highly favored for their portability, high precision, and versatility. This article will provide a detailed introduction to the product features of a portable relay protection tester to demonstrate its application in the field of power testingexcellentPerformance.

1、 Advanced technological architecture

This portable relay protection tester adopts modern advanced microelectronics technology and devices, and is equipped with a new generation of high-speed digital signal processor microcomputer16 bit DAC module and new modular high fidelity high-power amplifier. This advanced technological architecture ensures that the tester has excellent performance in data processing, signal output, and power amplification.

2、 Flexible output configuration

The tester has4-phase voltage and 3-phase current output, which can be easily combined for various outputs to meet the needs of different types of protection tests. The maximum output of single-phase voltage is 120V, the maximum output of single-phase current is 40A (lasting for 10 seconds), and the output of current triplets can reach up to 120A. In addition, the fourth phase voltage Ux is a multifunctional voltage item that can be set to 3U0 or detect the synchronous voltage, or any voltage value, further enhancing the flexibility of testing.

3、 Convenient operating interface

The tester adopts a single machine independent operation structure and can also be connected to a laptop for operation. The host is equipped with a large LCD display and a rotating mouse controller, and the operation interface is fully displayed in Chinese, which is intuitive and clear. Users can easily set test parameters and monitor test results in real-time through the large LCD screen, making the operation convenient and fast.

4、 Powerful software features

The software accompanying the tester has powerful functions and can complete various large-scale complex calibration tasks with high automation levels. For example, three-phase differential test, plant power fast switching, backup self switching test, line protection check synchronous reclosing, etc. The software can conveniently test and scan various protection settings, perform fault playback, store test data in real-time, display vector graphics, and support online printing of reports and other functions.

5、 Rich switch quantity contacts

The tester is equipped with7-way contact input and 2 pairs of air contact output, the input contacts are compatible with air contacts and 0-250V potential contacts, and can be intelligently and automatically recognized. This design enables the tester to flexibly respond to various complex testing scenarios and meet the diverse testing needs of users.

6、 Reliable self-protection mechanism

The tester adopts a well-designed heat dissipation structure and has reliable and complete multiple protection measures as well as power soft start function. In addition, the tester also has certain fault self diagnosis and locking functions to ensure the safety of equipment and personnel during the testing process.

7、 Independent DC power output

The tester is equipped with one channelThe 110V and 220V DC power outputs provide additional convenience for users during the testing process. This design allows the tester to perform certain specific tests without the need for an external power supply, further improving the efficiency and accuracy of the testing.

8、 High cost-effectiveness

As a cross disciplinary joint design product, this portable relay protection tester integrates advanced technological achievements from multiple disciplines. It combines the performance of a large testing instrument with the price of a small testing instrument, with a high cost performance ratio. This makes the tester have broad application prospects and huge market potential in the field of power system maintenance and debugging.

In summary, the portable relay protection tester has demonstrated its advanced technical architecture, flexible output configuration, convenient operation interface, powerful software functions, rich switch contacts, reliable self-protection mechanism, independent DC power output, and high cost-effectiveness in the field of power testingexcellentPerformance and broad application prospects.