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企业级数智化电能

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Artificial intelligence distribution network line fault diagnosis device

STOM-800S

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System Overview
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The STOM-800S distribution network line fault precise positioning system consists of: line fault positioning device, automation system, and client. Line fault positioning devices: installed on the overhead line conductors of the distribution network, real-time signals of insulation defects, hidden dangers, discharge traveling waves, fault traveling waves, and power frequency currents on the conductors. Automation system: Receive monitoring data transmitted back by the line fault location device through 4G wireless communication, and achieve precise fault positioning and diagnosis through analysis and processing. Client: View the load current of the line. After a fault occurs, the system will timely push the backend diagnostic results to the operation and maintenance personnel through the web interface and SMS, allowing the maintenance personnel to grasp the fault situation of the line at any time, thereby achieving online fault warning for line fault monitoring and fast and accurate positioning after the fault.

System Overview
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Product function
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1.Localization of high resistance grounding faults

By collecting high resistance single-phase grounding discharge traveling wave signals and electric field changes of overhead power lines in the distribution network,combined with zero sequence current,comprehensive analysis and judgment of grounding faults can be achieved.By monitoring and analyzing fault traveling waves,precise positioning of single-phase grounding faults can be achieved,timely warning can be given to avoid further deterioration of line faults,causing major accidents such as short circuit faults.

2.Fault location

The application scope and role of fault interval positioning;For the characteristics of multiple branches and complex lines in the distribution network;By collecting the arrival time of traveling waves,accurate positioning of fault intervals can be achieved,which is completely different from existing methods of line and phase selection positioning;The positioning process is clear and intuitive.