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Cyg Sunri Co., Ltd.
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  5. Model PRS-3351 - Intelligent Feeder ...

Model PRS-3351 -Intelligent Feeder Terminal

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The PRS-3351 intelligent feeder terminal independently developed by CYG SUNRI can provide the functions of fault detection, information upload, control command acceptance and execution. In addition to remote metering, remote signaling and remote control and line loss management, it also supports various FA methods and other distribution line state perception and edge processing function such as intelligent distributed feeder automation. The system can achieve power collection and control, fault detection, fault area location, isolation and power recovery in non-fault area, which can improve the reliability of power supply.
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overhead line
power distribution
distributive power
distributed power
Overhead lines of 35kV and below

High-performance grounding fault detection

 

Accurate perception of line state

 

Convenient operation and maintenance

 

It is easy to install onsite, and it supports remote maintenance, module hot plug and replacement maintenance, which can significantly reduce dependence on automation technicians and the operation and maintenance workload.

 

It can provide remote metering, remote signal and remote control of lines, and it has also integrated various line state monitoring and edge computing functions such as differential protection, line loss measurement, on-site feeder automation, and wave recording playback.

 

The zero-sequence voltage, zero-sequence current, transient-state first half-wave and transient-state phase asymmetry method are adopted as comprehensive criteria, and complicated failures can be detected sensitively, such as high-resistance grounding and arc grounding in low-current grounding systems, which has high reliability.