HY702 Microcomputer Relay Protection Tester

HY702 Microcomputer Relay Protection Tester

Single machine independent operation already has strong functionality and can perform most experiments, while connecting to a computer for operation has even more powerful operational capabilities. Small size and high precision. It not only has the superior performance and advanced functions of large testers, but also has the advantages of small and flexible testers, easy operation, and high reliability, with a high cost performance ratio. It is a handy tool for relay protection workers.

HY702 Microcomputer Relay Protection Tester

Product Features

1. The standard 4-phase voltage and 3-phase current output has a 4-phase voltage and 3-phase current output, which can be easily combined for various types of protection tests. Each phase voltage can output 120V, and the current can output 120A in three parallel. The fourth phase voltage Ux is a multifunctional voltage item, which can be set to four types of 3U0 or detect synchronous voltage, or output any voltage value.
2. Single machine operation is convenient. The single machine can be operated by rotating the mouse conveniently and flexibly through the large LCD screen, with all Chinese displayed. It can complete most of the on-site testing and verification work, verify various relays and microcomputer protections, and simulate complex instantaneous, * *, and conversion faults for whole group testing. Ready to use upon startup, easy and fast to operate.
3. Dual operation mode, connected to a computer and running through the full set of Chinese operating software on the Windows platform, can perform various large-scale, complex, and highly automated verification work, can easily test and scan various protection settings, can store test data in real time, display vector graphics, draw fault waveforms, print reports online, etc.
4. The software has powerful functions and can complete various large-scale complex verification tasks with high automation levels, such as three-phase differential testing, plant power fast switching, backup automatic switching testing, line protection check synchronous reclosing, etc. It can easily test and scan various protection settings, perform fault playback, store test data in real time, display vector graphics, and print reports online.
5. The switch quantity contact rich relay protection tester has 8 contact inputs and 4 pairs of empty contact outputs. The input contacts are compatible with empty contacts and 0-250V potential contacts, and can be intelligently and automatically recognized. The input and output contacts can be expanded according to user needs.
6. Large screen LCD display: This machine adopts a 320 × 240 dot matrix large screen high-resolution graphic LCD display. All operation processes are set on the display screen, and the operation interface and test results are displayed in Chinese, making the display intuitive and clear.
7. Self protection adopts a reasonably designed heat dissipation structure, with reliable and complete multiple protection measures, power soft start, and certain fault self diagnosis and locking functions.
8. It has an independent dedicated DC power output device with one 110V and 220V dedicated adjustable DC power output.
9. High cost-effectiveness belongs to cross disciplinary joint design products, which integrate advanced technological achievements from multiple disciplines. Combining the performance of a large testing instrument with the price of a small testing instrument, it has a high cost performance ratio.

HY702 Microcomputer Relay Protection Tester

Product parameters

1. AC current output
Output accuracy: Level 0.5.
Phase current output (effective value): 0-40A.
Triple current output (effective value): 0-120A.
Long term allowable operating value (effective value) of phase current: 10A.
Phase currentz·uiHigh output power: 420VA.
Triple currentz·uiDuring high outputz·uiHigh output power: 900VA.
Triple currentz·uiAllowable working time during high output: 10 seconds.
Frequency range (fundamental): 20-1000Hz.
Harmonic frequency: 1-20 times.
2. DC current output
Output accuracy: Level 0.5.
Current output: 0 to ± 10A per phase, 0 to ± 30A per triple junction.
z·uiLarge output load voltage: 20V.
3. AC voltage output
Output accuracy: Level 0.5.
Phase voltage output (effective value): 0-120V.
Line voltage output (effective value): 0-240V.
Phase voltage/line voltage output power: 80VA/100VA.
Frequency range (fundamental wave): 20-1000Hz.
Harmonic frequency: 1-20 times.
4. DC voltage output
Output accuracy: Level 0.5.
Phase voltage output amplitude: 0 to ± 160V.
Line voltage output amplitude: 0 to ± 320V.
Phase voltage/line voltage output power: 70VA/140VA.
5. Measurement of switch quantity and time