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Line Arrester On-line Monitoring System
Category: Product Center
Key words: equipment
Product Description
| Picture |
Model |
Function and technical parameters |
 |
JCQ-485S | The system is divided into two parts: data acquisition system (front-end system) and data receiving system (background system). The front-end system uses an embedded microcomputer system to automatically collect signals such as arrester leakage current, counter action, atmospheric temperature and humidity, and data processing, storage and transmission. The background system takes the server or notebook computer as the hardware platform, and the server is arranged in the substation (power plant) or the system operation monitoring center. It is mainly responsible for receiving all the lightning arrester monitoring data sent by the front end, and completing the tasks of comprehensive calculation, display storage, trend analysis, database and alarm management. ◎ Remote real-time monitoring and action and abnormal monitoring results for real-time alarm feedback. ◎ Arrester impact current, ambient temperature, humidity, installation latitude and longitude coordinates and other data acquisition and transmission functions. ◎ Long use time, rich historical data. The arrester monitor with this method as the monitoring principle has been popularized and applied in various voltage level systems for many years, and a large amount of operation and diagnosis data has been accumulated. The online monitoring system adopts this method, which can make full use of these historical data for fault prediction and diagnosis. ◎ There is no need to collect voltage signals, the monitoring system is relatively safe, and the online monitoring equipment based on this method is installed near the grounding electrode of the lightning arrester, which does not affect the electric field distribution and insulation level of the monitoring object. |
| Indicator Name |
Indicator content |
| Applicable voltage level |
35, 110， 220， 330, 500kV |
| Impulse current withstand |
4/10us 60kA，8/20us 20kA,2ms/600A square wave |
| Monitoring cycle |
4h or other set value |
| Technical range of action times |
0~9999 |
| Action recording accuracy |
≤ 1 |
| Discharge action count current threshold |
≥50A |
| Protective performance |
IP66 |
| Signal frequency range |
(45.5～55.0)Hz |
| Working environment temperature |
-25 ℃ ~ 75 ℃ |
| Working environment humidity |
0～95% |
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