Product Introduction
The UHV-505 Damped Oscillation Wave Detection System is a portable, all-in-one solution for on-site cable diagnostics. It performs non-destructive testing using Damped AC Voltage (DAC) up to 30kV, combining partial discharge detection and dielectric loss measurement to assess insulation defects and aging. Featuring advanced hardware/software integration, it supports cloud data upload for remote analysis, enabling efficient field condition assessment and predictive maintenance.
Product Features
1、State-of-the-art semiconductor technology
2、Cutting-edge laser control systems
3、High-performance digital signal processing with advanced filtering
4、Intelligent wireless network control
5、Cloud-based data management for remote analysis and reporting
Product Parameters
Main technical index
| Item | Technical index |
| Power supply | 220VAC±10%, 50Hz |
| Maximum output voltage (peak) | 30kV |
| Oscillation frequency range | 20Hz ~ 500Hz |
| Test cable length range | 200m ~ 20km |
| High voltage charging current | 8mA |
| High voltage switch | Trigger mode: Laser triggers high voltage switch |
| High voltage switch characteristic | Conduction time: 1μs |
| Switching resistance: less than 1Ω | |
| Optical fiber communication | |
| Measuring range of local discharge | 1pC ~ 100nC |
| Local discharge level detection and bandwidth | In line with the International Electrotechnical Commission IEC60270 standard |
| Office release location bandwidth | 150kHz ~ 45MHz automatic adjustment |
| Local discharge positioning measurement accuracy | Cable length 1% (minimum resolution 2m) |
| Dielectric loss measurement range | 0.1% ~ 10% |
| Real-time sampling rate of office release | 100MHz |
| Local sampling storage depth | 32MB (can record 300ms data length) |
| Control mode | Wireless control, wired control |
| Local discharge calibration mode | Automatic/manual |
| Damping oscillatory wave realization | Automatic voltage boost, automatic generation of damped oscillation wave voltage |
Main functions of system software
| Software information recording interface | (1) | Record the time and date |
| (2) | Basic information of registered users: test personnel | |
| (3) | Basic information of the test cable: including the name of the test cable station, cable model, length, joint, operation history, etc | |
| Software main function | (1) | All Chinese operation interface |
| (2) | Support one-key compression, automatic calibration, one-key analysis | |
| (3) | Convenient and intuitive setting of voltage amplitude, control automatic boost and oscillation wave generation | |
| (4) | Multi-terminal WEB browsing cloud test data function (network support required) | |
| (5) | Automatic synchronization of basic data parameters (network support required) | |
| (6) | Automatic display of oscillating wave voltage amplitude, oscillation frequency and sampling time width | |
| (7) | Automatic display of dielectric loss value | |
| (8) | Automatic display of maximum volume | |
| (9) | Store oscillating waveform and local release waveform | |
| (10) | The local release waveform can be amplified on site for initial positioning of the local release source point | |
| (11) | Automatic or manual analysis of detection data automatically generate office release location map, automatically generate statistical reports | |
| (12) | Automatic generation of office release statistical maps, such as Q-φ chart, N-φ chart, etc |



























