Research and Design on the on-line Monitoring for Rainwater Leakage of Floors on Substation Roofs
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In order to reduce the safety loophole for substation caused by rainwater leakage of roof, this paper proposed an on-line monitoring for rainwater leakage of substation roof based on a parallel plate capacitor sensor. This method is based on the capacitance sensor in the composition of installed metal plate between slabs, when there is rainwater leakage in the floor, medium of capacitance will change obviously, and it can judge that whether the floor rainwater leakage occurs according to the characteristics. With the above principle, this paper designed an on-line monitoring device for rainwater leakage of substation roof. The practical test showed that the device has the advantages of usableness, low cost and accurate judgement. It can satisfy the requirement of the substation roof rainwater leakage monitoring. Keywords-substation; roof; rainwater leakage; plate condenser; on-line monitoring
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