Cable Online Monitoring

Basic principles supported

WhenWhen partial discharge occurs internally in GIS, it can excite ultra-high-frequency electromagnetic signals above 1 GHz. Due to the coaxial resonant cavity structure of GIS, ultra-high-frequency electromagnetic wave signals experience minimal attenuation during propagation within the GIS, allowing for convenient reception with ultra-high-frequency probes. The shielding effect of the GIS shell makes it difficult for external signals to penetrate, even if a small amount of interference signal enters the GIS, its frequency is significantly below the ultra-high frequency range (300-3000 MHz). Therefore, when extracting partial discharge signals within the ultra-high frequency range, external interference signals are greatly reduced. Additionally, this system employs a unique windowed detection method, which is easy to install and offers higher sensitivity. When partial discharge signals are generated internally in GIS equipment, the system automatically analyzes and processes the ultra-high-frequency electromagnetic signals produced by the partial discharge, promptly identifying and recording the type and location of the discharge. This provides users with real-time information on the partial discharge status of the equipment, facilitating timely repair plans.

2. Product Overview

The device is designed to transmit partial discharge signals collected by high-speed digital acquisition cards to a computer for real-time display of individual or multiple frequency cycle partial discharge signals. It also performs statistical calculations on the data, with the results saved by date. Data saved from the online monitoring system can be retrieved for further analysis and diagnosis by technicians, to determine...Local discharge conditions within GIS. The software is equipped with communication alarm functions, enabling the remote activation of the discharge alarm module based on the discharge situation, allowing on-duty personnel to promptly review alarm conditions. The software also features network communication capabilities, transmitting data in real-time to the control room for convenient review by on-duty staff. It possesses real-time local discharge intelligent mode recognition and discharge location functions, allowing on-duty personnel to promptly understand the discharge mode and location.

3. Software Operation in Hardware and Software Environments

   This software supports the following operating systems:Windows 2000/XP and above systems

    Hardware Environment: High-performance Industrial Control Computers3.0GHz CPU, 1GB RAM, 80GB hard drive, mouse and keyboard, high-speed network card, high-speed digital acquisition card, etc.

    Hard Drive Partition Note: Please allocate more space for the data storage disk and format it.The NTFS format is used for the historical data folder, with compressed content to save disk space.