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GIS UHF partial discharge monitoring system
The distributed partial discharge online monitoring system, realizes the long-term online monitoring and diagnosis of GIS transformer partial discharge, and has the ability to locate the discharge power. Convenient distributed network, can quickly and conveniently provide remote access technology, real-time and accurate defect diagnosis, warning, comprehensive map analysis, and flexible and simple configuration of the entire station, so that users can quickly and conveniently to obtain the operation state information of high voltage equipment.
Product Features
Detection principle: Full-band dynamic scanning PD Detection Technology based on UHF
UHF sensor: auto balanced output impedance, no need for impedance converter, can be charged installed
Sampling mode: Multi-channel high-speed synchronous sampling
Denoising Technology: filtering+interference recognition and elimination + Environment denoising
Signal processing: FPGA full digital processing
Discharge pattern: real time dynamics PRPS/PRPD，n-t,q-t,φ-n,φ-t,φ-q-n,n-q
Low power: 17.6w 16 channel
Recognition of discharge types: recognition expert Database based on Neural Network
Sampling unit working bandwidth： 300MHz~1500MHz
Dynamic range ：-80dBm~-10dBm
System sensitivity： 5pC
Extensibility: plug-in structure, can be installed sensor and field sampling unit arbitrarily, easy to set up field network
Protection technology: sampling unit has overvoltage protection technology
Communication Technology: Ethernet
Filtering technology: hardware filtering