플라스틱 광섬유의 손실 특성을 활용한 아크플래시 위치추적 방법
Method for Locating Arc-events by Utilizing Transmission Loss of Plastic Optical Fiber
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For an arc-flash protection system, the selection of arc-flash sensor in implementation is largely dependent on the cov-erage area and the spatial resolution. Typically, a point sensor is used to accurately measure an arc event within a very nar-row region; whereas, a loop or a line sensor can cover several electrical compartment at the same time, but with a poorresolution. In this work, a novel scheme for an arc-flash sensor was developed by making use of the transmission loss ofplastic optical fibers (POFs) to cover a broad range with a high spatial resolution. By relating the amplitude ratio of the arc-signals at the ends of the POF with the arc-location, arc events could be located with a resolution of ~5cm within a spatialrange of 10m, which has not been reported yet.
Abstract
For an arc-flash protection system, the selection of arc-flash sensor in implementation is largely dependent on the cov-erage area and the spatial resolution. Typically, a point sensor is used to accurately measure an arc event within a very nar-row region; whereas, a loop or a line sensor can cover several electrical compartment at the same time, but with a poorresolution. In this work, a novel scheme for an arc-flash sensor was developed by making use of the transmission loss ofplastic optical fibers (POFs) to cover a broad range with a high spatial resolution. By relating the amplitude ratio of the arc-signals at the ends of the POF with the arc-location, arc events could be located with a resolution of ~5cm within a spatialrange of 10m, which has not been reported yet.
참고문헌 (18)
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