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Network Rail approves cable monitoring system from Viper Innovations

Posted: 26 June 2020 | | No comments yet

CableGuardian, a sophisticated cloud-hosted cable monitoring and fault diagnosis system by Viper Innovations, has gained product approval from Network Rail.

Network Rail approves cable monitoring system from Viper Innovations

Following a five-year research and development programme and substantial investment, Viper Innovations’ award-winning CableGuardian Cable Monitoring System has successfully received product approval by Network Rail, and is available for order across all Network Rail regions.

CableGuardian is a sophisticated cloud-hosted cable monitoring and fault diagnosis system designed to help prevent service affecting failures before they occur by delivering precise condition trending down to individual cable level and accurately pinpointing fault locations and instances of cable theft. This not only significantly reduces power down time on the line but reduces the time-consuming practice of manually walking the line to test for and locate cable faults. The technology operates continuously on live power networks providing critical cable and conductor condition information in real time, eliminating the need to power down the system for intrusive periodic testing. Furthermore, the Insulation Resistance and Insulation Capacitance condition trends are graphically highlighted, providing valuable information to support a move to proactive, risk-based, maintenance.

It is the only Tier 1 cable monitoring system with full Network Rail product approval, for proactive monitoring, detection and location of both insulation and conductor faults on live signalling power systems as specified in Network Rail specification NR/L2/SIGELP/27725.

Edward Davies, Managing Director of Viper Innovations explains the five-year research and development process behind transferring their subsea cable technology across to the rail sector and developing the new CableGuardian product ready for the market: “We began discussions with Network Rail about the possibility of transferring and applying our subsea technology to the rail industry back in October 2015. At this time our cable monitoring technology was successfully embedded in the oil and gas sector, reducing operator’s downtime considerably as well as saving them vast amounts of money. We could see how applying this knowledge had the potential to help transform cable management in the rail sector as well.”

CableGuardian monitors the condition of cables, conductors and other electrical system components within a power distribution network by dispersing multiple independent measurement units within principal and auxiliary power supply points and location cases. It provides monitoring at the level of detail required, down to the individual cable sections, breaking away from the traditional limitations of network and feeder level monitoring and is the only system that offers adherence to all three Tiers to the Network Rail Insulation Monitoring Device standard NR/L2/SIGELP/27725.

“By January 2016, we had developed our first prototype and over the next four years we worked closely alongside Network Rail as we progressed CableGuardian,” explained Edward. “By running technology days with Network Rail and other clients, we gained useful feedback which ensured that CableGuardian covered all their needs. Finally, live trials were set up on two lines in 2018 to test and finesse the product and these were successfully completed in January 2020. Now the product has full approval we are delighted to be able to bring this to the market.”

Edward continuted: “Recent statistics from Network Rail show that 21 per cent of all train delays in a 12-month period were related to cable faults, signalling system and power faults. These train delays add up to millions of minutes in passenger delays but more significant is the cost incurred to Network Rail in resolving these issues as well as not providing a great passenger experience. CableGuardian will help prevent service affecting failures before they occur by providing continuous monitoring of live signalling power supply systems, as well as providing a technological alternative to the five yearly manual cable testing requirements.”

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