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First Short Circuit Test on Wire Cable Tray: Confirmation of Cablofil as Power Management Solution

This document details a pioneering short circuit test conducted on a wire cable tray, adhering to the EN 50638 (2003) standard. The setup involved CF105/450 trays, with 3 meters span and fast couplers at 1/5th span. Using three single-core 38mm diameter power cables in trefoil formation, the strains on cleats were examined. Testing with ALPHA and VULCAN cleats revealed robust performance at peak currents of 70 kA and 100 kA. The results affirm Cablofil's effectiveness in power cable management, marking a significant milestone in engineering testing.

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First Short Circuit Test on Wire Cable Tray: Confirmation of Cablofil as Power Management Solution

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  1. & Hengelo, Netherlands

  2. Configuration of tests: Tested according to standard EN 50638 (2003) Tray used: CF105/450 (3 meters) Span 1500 Coupled with fast coupler EDRN at 1/5th of the span Cables: Three 38mm outside diameter single core power cables in a trefoil formation. They represent the most common form of cabling used and potentially the most difficult cables to test (the smaller the diameter the higher the strain on the cleats). Cleats Ellis Patents cleats. See details of rigs for cleat model.

  3. Rig 1: Cleat: ALPHA (aluminium) Spacing of cleats: 600mm Peak current: 70 kA (72.4 kA actual) Represents a force of 13 152N on the cleats

  4. Rig 2: Cleat: VULCAN (stainless steel) Spacing of cleats: 600mm Peak current: 100 kA(104 kA actual) Represents a force of 26 842N on the cleats

  5. The lab: 3 cables are short circuited Close inspection before/after High speed camera link up

  6. before test 50ms after short circuit Rig 1 Rig 2

  7. MOVIE: Movie can be viewed on youtube.com!!!

  8. RESULTS Rig 1: 70 kA Class 1: Water spray: Class 2: according to EIC draft Rig 2: 100 kA Class 1: Water spray: Class 2: according to EIC draft Class 2 test is equivalent to Class 1 test after the rig has already been tested once.

  9. Conclusion: First time ever a short circuit test conducted on wire cable tray. Confirming Cablofil as a power cable management solution.

  10. The team: Paul-Edouard Courson, Andy Booth, Richard Shaw, Tim Brown

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