The KDJB-60A microcomputer relay protection tester uses a high-speed and high-performance digital control processor as the control microcomputer, and applies a dual precision algorithm on the software to generate high-precision waveforms for each phase. Due to the use of an integrated structure, the various parts are tightly combined, the data transmission distance is short, and the structure is compact. Overcoming the problem of fewer output waveform points caused by long data communication lines and narrow frequency bands in laptop controlled measurement and control instruments.

1. Output up to 6-phase voltage and 6-phase current, which can be combined to achieve conventional 4-phase voltage, 3-phase current, 6-phase voltage, 6-phase current, and 12 phase output modes.
2. High performance embedded industrial control computers and 8.4-inch high-resolution color TFT LCD screens can provide rich and intuitive information, including the current working status of the equipment, next step work prompts, and various help information;
3. The output end adopts high fidelity and high reliability modular linear power amplifier instead of switch type power amplifier, which has good performance. It will not cause high or medium frequency interference on the test site, and ensures excellent waveform smoothness and accuracy from high current to low current.
4. The output part is controlled by DSP, with fast operation speed, strong real-time digital signal processing capability, wide transmission frequency band, and high-resolution D/A conversion control. The output waveform has high accuracy, low distortion, and good linearity. The device adopts a large amount of high-tech and precision component materials, and has undergone specialized structural design, resulting in small size, light weight, comprehensive functions, easy portability, and can work immediately after startup. Flow testing is very convenient.
5. It can complete various large-scale complex verification tasks with high degree of automation, conveniently test and scan various protection settings, perform fault playback, store test data in real time, display vector graphics, and print reports online.
6. There is an independent 110V and 220V dedicated adjustable DC power output, which is convenient for on-site inspection and use.
7. The new generation KDJB-60A tester is equipped with 10 input and 8 output channels, making it convenient for conducting backup self switching tests. The input contacts are compatible with empty contacts and 0-250V potential contacts, and can be intelligently and automatically recognized.
8. Provide various automatic testing software modules and GPS synchronization triggering tests (optional), etc.
9. It can complete various complex verification tasks, conveniently test and scan various protection settings, and perform fault replay. Can store test data in real-time, display vector graphics, print reports, etc;
The design of the 10 heat dissipation structure is reasonable, the hardware protection measures are reliable and complete, and it has functions such as power soft start, software self diagnosis of faults, and output locking.

1. AC current output
When outputting 6-phase current, each phase output (effective value): 0~30A output accuracy ∠ 0.2 level (within the main range)
When outputting 3-phase current, each phase output (effective value): 0-60A
6-phase parallel current output (effective value): 0-180A