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arc-flash faults, and gives an overview of existing arc-flash protection methods. The methods include e.g. arc-resistant switchgear, bus differential protection, zone selective interlocking, current limiting devices, and optical sensing based protection. Criteria of evaluation of the methods are proposed. The preferred dual-sensing methodology ...

If a fault occurs in a cable zone, this protection method will not be totally efficient. Installation of many CTs will improve performance, but will have significant additional cost and be very hard to install in existing installations. Optical arc flash protection

Arc Flash Protection. Arcteq's AQ 100 series offers a complete solution for arc flash protection. The AQ 100 is designed utilising top of the line technology with a focus on simplicity while maintaining both flexibility and function. It's built to meet the growing demands in both LV and MV switchgear and controller applications, ranging from ...