JHZXPD-1 on-line monitoring system for partial discharge
The system is mainly composed of UHF sensors, signal transmission, data collection devices and background data processing
The UHF discharge signal generated inside the equipment is monitored by the UHF sensor, transmitted to the processor through the radio frequency cable for amplification processing, and then entered the main server for analysis, display and storage. When an abnormal discharge signal is detected, an alarm is issued, and the first time Notify the supervisor
function options | parameter description | |
Central control system and signal acquisition unit | power supply | AC 85～264V / 50/60±1Hz |
Power Capacity | 250V/3A | |
detection field | UHF bandwidth including 200~ 3000MHz | |
sensitivity | -60 [dBm] | |
synchronization signal | power synchronization | |
UHF sensor | frequency range | 200~ 3000MHz bandwidth |
sensor sensitivity | -40 [dBm] (0.1) or more | |
impedance matching | 50[Ω] | |
Installation method | Exterior type, interior type | |
connection interface | N type | |
Noise sensor | frequency range | 200~ 3000MHz bandwidth |
Installation method | Magnet, placed around the GIS | |
impedance matching | 50[Ω] | |
connection method | N type | |
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