鎽� 瑕�:鐐轰簡淇濋殰鍩庡競杌岄亾浜ら€氱殑瀹夊叏,灏嶈厫铦曡粚閬撻檮杩戝缓绛戜腑閶肩瓔鐨勯洔鏁ｉ浕娴佺殑妾㈡脯鍜岄槻璀峰凡鎴愮偤蹇呯劧銆傚京(f霉)闆滅殑鐠�(hu谩n)澧冧娇闆滄暎闆绘祦闆ｄ簬鐩存帴妾㈡脯,鐐烘鏈枃娣卞叆闆滄暎闆绘祦鑵愯潟鐨勬鐞�,閬嬬敤闆昏矾鐞嗚珫鎺ㄥ皫(d菐o)闆滄暎闆绘祦鍒嗗竷鐨勭悊璜栧叕寮�,寤虹珛闆㈡暎鐨勪緵闆荤悊璜栨ā鍨嬨€傛牴鎿�(j霉)闆滄暎闆绘祦鐨勫垎甯冭(gu墨)寰�,鍒嗘瀽浜嗗奖闊块洔鏁ｉ浕娴佺殑鍚勫€嬪弮鏁�(sh霉),瑷�(sh猫)瑷堜簡鍩轰簬渚涢浕鍗€(q奴)闁撶殑鏈夋晥鐨勫垎甯冨紡杌岄亾浜ら€氶洔鏁ｉ浕娴佺洠(ji膩n)娓ā鍨�銆� 闂�(gu膩n)閸佃: 闆滄暎闆绘祦;鍒嗗竷寮�;杌岄亾浜ら€�;鐩�(ji膩n)娓郴绲�(t菕ng) Abstract: In order to protect the Urban Mass Transit, it was necessary to check and defense the stray current which rusted the reinforcing steel bar of the building near the railway. It was difficult to monitor the stray current directly on complicated environment, so the paper researched deeply on the principle of the stray current corrosion, the theory formula of stray current distribution was deduced by applying circuit net theory, and the discrete supply theory model was established. Accord with the distribution rule of the stray current, analyzing the different parameters of the stray current, a distributed and effective stray current monitor model of urban mass transit based on a power supply zone was designed. 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