{"id":7003,"date":"2026-09-29T15:05:17","date_gmt":"2026-09-29T15:05:17","guid":{"rendered":"https:\/\/lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/"},"modified":"2026-09-29T15:05:17","modified_gmt":"2026-09-29T15:05:17","slug":"coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/ja\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/","title":{"rendered":"\u77f3\u70ad\u9271\u9632\u7206\uff5c\u5730\u4e0b\u9271\u5c71\u306e\u5834\u5408\u30b7\u30e7\u30d9\u30eb"},"content":{"rendered":"

\u5730\u4e0b\u306e\u77f3\u70ad\u9271\u5c71\u9053\u8def\u306e\u5e45\u304c\u72ed\u3044\u3001\u30e1\u30bf\u30f3\u30ac\u30b9\u3092\u505c\u6b62\u7206\u767a\u7684\u306a\u77f3\u70ad-\u7c89\u5875\u7b49\u306e\u5927\u6c17\u3001\u9ad8\u6e7f\u5ea6\u6761\u4ef6\u304a\u3088\u3073\u91cd\u70ad-\u7c89\u5875\u304c\u84c4\u7a4d\u3055\u308c\u308b\u3002 \u3068\u3057\u3066\u91cd\u8ffd\u8de1\u30e2\u30d0\u30a4\u30eb\u6a5f\u5668\u3001\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u306e\u7dad\u6301\u306b\u91cd\u30ed\u30c3\u30af-\u5f71\u97ff\u306e\u5168\u4f53-\u6a5f\u68b0\u632f\u52d5\u6642\u306e\u30d0\u30b1\u30c3\u30c8\u3001\u6398\u308a\u30d6\u30fc\u30e0\u3092\u5dfb\u4e0a\u3052-\u5f15\u304d\u4e0b\u3052\u3001\u8eab\u4f53\u65cb\u56de\u3001\u30c8\u30e9\u30c3\u30af\u307e\u3059\u3002 \u642d\u8f09\u53ef\u5909\u5468\u6ce2\u6570\u306e\u30c9\u30e9\u30a4\u30d6\u30b7\u30b9\u30c6\u30e0\u3001\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u3092\u5927\u91cf\u9ad8\u8abf\u6ce2\u306f\u3001\u7a81\u5165\u96fb\u6d41\u306b\u6fc0\u8ca0\u8377\u5909\u52d5\u6642\u306e\u6398\u524a\u4e8b\u696d\u3067\u3059\u3002 \u9577\u3044\u5730\u4e0b\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u306e\u9271\u5c71\u5730\u57df\u304c\u3082\u305f\u3089\u3059\u30ea\u30b9\u96fb\u5727\u304a\u3088\u3073\u4e09\u76f8\u30a2\u30f3\u30d0\u30e9\u30f3\u30b9\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002 \u6c4e\u7528\u7523\u696d\u7528\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u3066\u9632\u7206\u69cb\u9020\u3067\u3059\u3002 \u305b\u305a\u306b\u96e3\u71c3\u6027-\u7206\u767a-\u7d76\u7e01\u30cf\u30a6\u30b8\u30f3\u30b0\u3001\u96fb\u6c17\u30a2\u30fc\u30af\u3092\u767a\u751f\u3059\u308b\u5185\u90e8\u77ed\u7d61\u30a2\u30fc\u30af\u653e\u96fb\u304c\u6f0f\u308c\u3066\u76f4\u63a5\u3001\u624b\u8efd\u306b\u706b\u3092\u3064\u3051\u308b\u5730\u4e0b\u30ac\u30b9\u53ca\u3073\u77f3\u70ad\u7c89\u5875\u304a\u3088\u3073\u30c8\u30ea\u30ac\u30fc\u306e\u5b89\u5168\u4e8b\u6545\u3067\u3059\u3002 \u3053\u306e\u9593\u3001\u8db3\u308a\u306a\u3044\u53cd\u91cd\u3044\u632f\u52d5\u3001\u9632\u6e7f-\u9632\u5875\u88dc\u5f37\u8a2d\u8a08\u3001\u6c4e\u7528\u54c1\u304c\u3086\u3063\u305f\u308a\u30b3\u30a4\u30eb\u3084\u6025\u6fc0\u306a\u6e7f\u6c17\u99c6\u52d5\u7d76\u7e01\u9ad8\u9f62\u5316\u306e\u4e0b\u3067\u306e\u6301\u7d9a\u7684\u306a\u5730\u4e0b\u885d\u6483-\u632f\u52d5\u3092\u751f\u305a\u308b\u5371\u967a\u6027\u304c\u9ad8\u3044\u77ed\u671f\u9593\u3067\u9055\u6cd5\u3067\u3042\u308b\u77f3\u70ad-\u9271\u5c71-\u5b89\u5168-\u898f\u5236\u306e\u8981\u4ef6 \u30ab\u30b9\u30bf\u30e0\u69cb\u7bc9\u3055\u308c\u305f\u5730\u4e0b-\u30e2\u30d0\u30a4\u30eb-\u52d5\u4f5c\u6761\u4ef6\u3068\u7206\u767a-\u5b89\u5168\u6027\u8981\u4ef6\u306e\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u3001\u9632\u7206\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u306e\u305f\u3081\u306e\u9271\u5c71\u3092\u5b89\u5168\u3067\u5b89\u5b9a\u3057\u305f\u96fb\u529b\u4f9b\u7d66\u306e\u305f\u3081\u306e\u4e09\u3064\u306e\u99c6\u52d5\u30e2\u30fc\u30bf\u30fc(\u6398\u524a\u3001\u65cb\u56de\u3001\u65c5\u884c\u306a\u3069\u5168\u6a5f\u30ac\u30b9\u306e\u691c\u51fa\u304a\u3088\u3073\u5b89\u5168\u6027-\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3002<\/p>\n

\u9069\u7528\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u306e\u63a1\u6398-\u6398\u524a\u6a5f\u306e\u30b7\u30ca\u30ea\u30aa<\/p>\n

1.1\u9271\u5c71-\u9632\u7206\u30e9\u9632\u7206\u5b64\u7acb\u3057\u305f\u96fb\u5727\u5909\u63db\u3001\u5f37-\u5f31\u96fb\u5206\u96e2\u306f\u591a\u56de\u8def\u96fb\u6e90\u5206\u5e03<\/h3>\n

\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u3092\u542b\u3080\u9ad8\u51fa\u529b\u56de\u8def\u3068\u672c\u8cea\u7684\u306b\u5b89\u5168\u3067\u5b89\u5168\u6027\u306e\u5236\u5fa1\u56de\u8def\"\u304c\u3042\u308a\u307e\u3059\u3002 \u96fb\u6e90\u56de\u8def\u306e\u96fb\u6e90\u4f9b\u7d66\u306e\u305f\u3081\u306e\u9ad8\u51fa\u529b\u3092\u6398\u308a\u3001\u65cb\u56de\u3001\u65c5\u884c\u3059\u308b\u99c6\u52d5\u30e2\u30fc\u30bf\u30fc\u5236\u5fa1\u56de\u8def\u3092\u30ac\u30b9\u30bb\u30f3\u30b5\u3001\u6a5f\u68b0\u306e\u6e29\u5ea6\u76e3\u8996\u3001\u7dca\u6025\u306b\u4fdd\u8b77\u3055\u308c\u3001\u55b6\u696d\u3092\u53d6\u308a\u6271\u3063\u3066\u304a\u308a\u305d\u306e\u4ed6\u306e\u5b89\u5168\u76e3\u8996\u3057\u307e\u3059\u3002 \u304c\u5927\u304d\u306a\u7528\u9014\u3067\u306e\u96fb\u5727\u30ec\u30d9\u30eb\u3084\u5b89\u5168\u6210\u7e3e\u306e\u7a2e\u985e\u306e\u56de\u8def\"\u304c\u3042\u308a\u307e\u3059\u3002 \u9632\u7206\u30c8\u30e9\u30f3\u30b9\u306b\u5909\u63db\u5165\u529b\u96fb\u5727\u304b\u3089\u30e2\u30d0\u30a4\u30eb\u5730\u4e0b\u5909\u96fb\u6240\u3078\u306e\u5b9a\u683c\u96fb\u5727\u306e\u305f\u3081\u306e\u5404\u5b8c\u5168\u306a\u6a5f\u68b0\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ac\u30eb\u30d0\u30cb\u30c3\u30af\u7d76\u7e01\u9ad8\u529b\u56de\u8def\u306e\u672c\u8cea-\u5b89\u5168\u306a\u4f4e\u96fb\u5727\u5236\u5fa1\u56de\u8def\"\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u30d6\u30ed\u30c3\u30af\u306e\u9ad8\u8abf\u6ce2\u53ca\u3073\u30b5\u30fc\u30b8\u306e\u5e72\u6e09\u304b\u3089\u30d1\u30ef\u30fc\u56de\u8def\u304b\u3089\u306e\u4fb5\u5165\u306e\u5b89\u5168\u6027-\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30eb\u30fc\u30d7\u306f\u3001false\u3092\u9632\u6b62\u30a2\u30e9\u30fc\u30e0\u304a\u3088\u3073\u507d\u4fdd\u8b77\u306e\u884c\u52d5\u306e\u30ac\u30b9\u30bb\u30f3\u30b5\u30fc\u3067\u3059\u3002 \u63a1\u7528\u9632\u7206\u5b64\u7acb\u3057\u305f\u7b50\u4f53\u3001\u30c8\u30e9\u30f3\u30b9\u3092\u542b\u3080\u96fb\u6c17\u30a2\u30fc\u30af\u30b9\u3068\u9ad8\u3044\u6e29\u5ea6\u3067\u767a\u751f\u3059\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5185\u90e8\u306e\u77ed\u7d61\u6545\u969c\u306e\u5185\u30cf\u30a6\u30b8\u30f3\u30b0\u3084\u767a\u706b\u3092\u9632\u3050\u5916\u90e8\u306e\u30ac\u30b9\u53ca\u3073\u77f3\u70ad\u306e\u3067\u3059\u3002 \u3053\u308c\u3089\u306e\u30b3\u30cd\u30af\u30bf\u306e\u904e\u8ca0\u8377\u77ed\u7d61\u96fb\u6d41\u5236\u9650\u6a5f\u80fd \u306e\u5834\u5408\u306f\u5358\u4e00\u306e\u652f\u5e97\u306e\u8ca0\u8377\u65ad\u5c64\u3001\u9707\u6e90\u65ad\u5c64\u6d41\u306e\u4f1d\u64ad\u306a\u3069\u306e\u30dd\u30a4\u30f3\u30c8\u65ad\u5c64\u304b\u3089\u306e\u5e83\u304c\u308a\u3092\u4f34\u3044\u3064\u3064\u5168\u4f53\u306e\u6a5f\u68b0\u96fb\u6c17-\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5168\u6027\u78ba\u4fdd\u306e\u5730\u4e0b\u4e8b\u696d\u8005\u3068\u8a2d\u5099\u3067\u3059\u3002 \u3092\u76ee\u6307\u3057\u305f\u96fb\u5727\u964d\u4e0b\u306b\u3088\u308b\u9577\u3044\u5730\u4e0b\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u3001\u30c8\u30e9\u30f3\u30b9\u306e\u7dad\u6301\u5b89\u5b9a\u3057\u305f\u51fa\u529b\u96fb\u5727\u3092\u56de\u907f\u3059\u308b\u4e0d\u8db3\u96fb\u5727\u306b\u3088\u308b\u4f4e\u6398\u524a\u529b\u3001\u6a5f\u5668\u306e\u505c\u6b62\u306b\u91cd\u3044\u8ca0\u8377\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

1.2\u30a4\u30f3\u30d0\u30fc\u30bf\u306e\u5165\u529b\u7089\u5185\u3092\u6291\u3048\u308b\u30b9\u30a4\u30c3\u30c1\u306e\u7a81\u5165\u96fb\u6d41\u304a\u3088\u3073\u30d5\u30a3\u30eb\u30bf\u30b0\u30ea\u30c3\u30c9\u5074\u9ad8\u8abf\u6ce2<\/h3>\n

\u305d\u306e\u77ac\u9593\u30d0\u30b1\u30c3\u30c8\u30ab\u30c3\u30c8\u5ca9\u8108\u9271\u5c71-\u30b7\u30e7\u30d9\u30eb\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u3092\u7a81\u5165\u96fb\u6d41\u30b5\u30fc\u30b8\u306b\u5bfe\u306e\u6570\u500d\u306e\u5b9a\u683c\u96fb\u6d41\u3067\u3059\u3002 \u77ac\u6642\u96fb\u5bb3IGBT\u96fb\u6e90\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a4\u30f3\u30d0\u30fc\u30bf\u306e\u76f4\u63a5\u306e\u539f\u56e0\u6a5f\u5668\u306e\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3057\u307e\u3057\u305f\u3002 \u63a5\u7d9a\u30a4\u30f3\u30d0\u30fc\u30bf\u306e\u5165\u529b\u3001\u9632\u7206\u5165\u529b\u7089\u306a\u8a98\u5c0e\u7279\u6027\u3086\u3063\u304f\u308a\u6d41\u4e0a\u6607\u7387\u3092\u6291\u3048\u308b\u7a81\u5165\u96fb\u6d41\u306b\u6398\u524a\u3001\u65cb\u56de\u7528\u958b\u59cb-\u505c\u6b62\u53ca\u3073\u4fdd\u8b77\u30b3\u30a2\u30d1\u30ef\u30fc\u6210\u5206\u3092\u6253\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 5-7\u6b21\u9ad8\u8abf\u6ce2\u767a\u751f\u306e\u53ef\u5909\u5468\u6ce2\u6570\u52d5\u4f5c\u30d5\u30ed\u30fc\u306b\u623b\u5730\u4e0b\u79fb\u52d5\u96fb\u6e90\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904e\u71b1\u306e\u305d\u306e\u4ed6\u306e\u5730\u4e0b\u306b\u306f\u6a5f\u68b0-\u96fb\u6c17\u8a2d\u5099\u3084\u865a\u507d\u306e\u30c8\u30ea\u30c3\u30d7\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3067\u884c\u308f\u308c\u307e\u3057\u305f\u3002 \u5165\u529b\u7089\u306e\u9ad8\u8abf\u6ce2\u30d5\u30a3\u30eb\u30bf\u30fc\u52b9\u679c\u306e\u5411\u4e0a\u3001\u5730\u4e0b-\u30b0\u30ea\u30c3\u30c9\u306e\u96fb\u529b\u54c1\u8cea\u3059\u308b\u305f\u3081\u3001\u9ad8\u8abf\u6ce2\u306e\u5e72\u6e09\u305d\u306e\u4ed6\u306e\u9271\u5c71\u6a5f\u68b0\u306e\u3068\u3057\u3066\u3001\u9053\u8def\u306e\u4f4e\u6e1b\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u52a0\u71b1\u306e\u5411\u4e0a\u9023\u7d9a\u904b\u8ee2\u6027\u80fd\u306e\u96fb\u6c17-\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u3002<\/p>\n

1.3\u30a4\u30f3\u30d0\u30fc\u30bf\u306e\u51fa\u529b\u30ea:\u5438\u53cePWM\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u3001\u4fdd\u8b77\u3059\u308b\u6398\u308a\u30c9\u30e9\u30a4\u30d6\u30e2\u30fc\u30bf\u30fc<\/h3>\n

\u9ad8\u5468\u6ce2PWM\u30d1\u30eb\u30b9\u51fa\u529b\u306b\u3088\u308b\u9271\u5c71-\u30b7\u30e7\u30d9\u30eb\u30a4\u30f3\u30d0\u30fc\u30bf\u65c5\u884c\u3092\u901a\u3057\u3066\u6bd4\u8f03\u7684\u9577\u3044\u30b1\u30fc\u30d6\u30eb\u304b\u3089\u306e\u9632\u7206\u96fb\u6c17\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u3078\u306e\u65c5\u884c\u3092\u6398\u308a\u30e2\u30fc\u30bf\u3092\u96fb\u5727\u53cd\u5c04\u306e\u5f71\u97ff\u3067\u6210\u5f62\u9ad8\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u30d1\u30eb\u30b9\u3067\u3059\u3002 \u7e70\u308a\u8fd4\u3057\u306e\u5f71\u97ff\u304c\u4f4e\u4e0b\u30e2\u30fc\u30bf\u30fc\u5dfb\u7dda\u306e\u7d76\u7e01\u6642\u9593\u3001\u96fb\u6c17\u6f0f\u308c\u65ad\u5c64\u3067\u3082\u5185\u90e8\u306e\u30e2\u30fc\u30bf\u30fc\u30a2\u30fc\u30af\u3068\u9632\u7206-\u5b89\u5168\u306b\u88ab\u5bb3\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3057\u305f\u3002 \u9632\u7206\u578b\u539f\u5b50\u7089\u51fa\u529b\u3092\u5438\u53cedv\/dt\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u3001\u6ed1\u3089\u304b\u306a\u51fa\u529b\u96fb\u5727\u306e\u6ce2\u5f62\u304a\u3088\u3073\u7de9\u548c\u30b1\u30fc\u30d6\u30eb\u306e\u8a98\u8d77\u96fb\u5727\u53cd\u5c04\u52b9\u679c\u3002 \u305d\u306e\u524a\u6e1b\u904e\u96fb\u5727\u30b9\u30c8\u30ec\u30b9\u30e2\u30fc\u30bf\u30fc\u5dfb\u7dda\u3001\u7d76\u7e01\u5bff\u547d\u306e\u30c9\u30e9\u30a4\u30d6\u30e2\u30fc\u30bf\u30fc\u306e\u4f4e\u4e0b\u30ea\u30b9\u30af\u306e\u30e2\u30fc\u30bf\u30fc\u96fb-\u6f0f\u6d29-\u5185\u90e8\u30a2\u30fc\u30af. \u3082\u6291\u5236\u3059\u308b\u9ad8\u5468\u6ce2\u306e\u6f0f\u308c\u96fb\u6d41\u30e2\u30fc\u30bf\u5074\u9762\u3001\u7de9\u548c\u30e2\u30fc\u30bf\u30fc\u306e\u8ca0\u96fb\u6c17-\u8150\u98df\u304a\u3088\u3073\u30ab\u30c3\u30c8\u30aa\u30fc\u30d0\u30fc\u30db\u30fc\u30eb\u5468\u6ce2\u6570\u306e\u305f\u3081\u306e\u5730\u4e0b\u306b\u88c5\u5099\u3002<\/p>\n

\u30b3\u30a2\u30e1\u9271\u5c71-\u9632\u7206\u88fd\u54c1\u3068\u6c4e\u7528\u5de5\u696d\u88fd\u54c1<\/p>\n

2.1\u7206\u767a\u5206\u96e2\u3055\u308c\u305f\u7b50\u4f53\u30d7\u30e9\u30b9\u77f3\u70ad-\u9271\u5c71-\u5b89\u5168\u6027-\u8a8d\u5b9a\u30c7\u30b6\u30a4\u30f3\u3092\u6e80\u305f\u3059\u30af\u30e9\u30b9\u307e\u3067\u77f3\u70ad\u9271\u9632\u7206\u5b89\u5168\u57fa\u6e96<\/h3>\n

\u6c4e\u7528\u7523\u696d\u7528\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u306e\u8a2d\u8a08\u306e\u305f\u3081\u306e\u901a\u5e38\u306e\u5ba4\u5185\u74b0\u5883\u306a\u9632\u7206\u5b64\u7acb\u3057\u305f\u30cf\u30a6\u30b8\u30f3\u30b0 \u96fb\u6c17\u30a2\u30fc\u30af\u3068\u9ad8\u6e29\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u5185\u90e8\u6545\u969c\u306e\u767a\u5bfe\u5916\u76f4\u7d50\u3002 \u5f53\u793e\u306e\u30b7\u30ea\u30fc\u30ba\u306e\u88fd\u54c1\u306e\u63a1\u7528\u306b\u3088\u308a\u539a\u3044\u9632\u7206\u5b64\u7acb\u3057\u305f\u30cf\u30a6\u30b8\u30f3\u30b0\u3092\u7cbe\u5bc6\u306b\u6a5f\u68b0\u52a0\u5de5\u95a2\u7bc0\u9762\u3067\u53b3\u5bc6\u306b\u5236\u5fa1\u3055\u308c\u305f\u7206\u767a-\u30ae\u30e3\u30c3\u30d7\u9699\u9593 \u306e\u5834\u5408\u306f\u5185\u90e8\u7206\u767a\u306e\u4e2d\u30cf\u30a6\u30b8\u30f3\u30b0\u3001\u708e\u306e\u9ad8\u6e29\u30ac\u30b9\u306e\u51b7\u5374\u306b\u3088\u7206\u767a\u30ae\u30e3\u30c3\u30d7\u306e\u901a\u8def\u306f\u4ee5\u524d\u304b\u3089\u306e\u6d41\u51fa\u3067\u304d\u306a\u3044\u706b\u30ac\u30b9\u53ca\u3073\u77f3\u70ad\u7c89\u5875\u5916\u90e8\u7b50\u4f53. \u3092\u6301\u3064\u9271\u5c71-\u88fd\u54c1\u5b89\u5168\u30de\u30fc\u30af\u306f\u3001\u3054\u6e80\u8db3\u3044\u305f\u3060\u3051\u308b\u7fa9\u52d9\u7684\u5b89\u5168\u6027\u8981\u4ef6\u306f\u3001\u5730\u4e0b\u306e\u30e2\u30d0\u30a4\u30eb\u96fb\u6c17\u6a5f\u5668\u306b\u6307\u5b9a\u3057\u305f\u77f3\u70ad-\u9271\u5c71\u306e\u5b89\u5168\u6027\u898f\u5236\u306b<\/p>\n

2.2\u91cd\u9632\u632f\u88dc\u5f37\u69cb\u9020\u306b\u9069\u5fdc\u3057\u3001\u6301\u7d9a\u7684\u885d\u6483\u6761\u4ef6\u306e\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb<\/h3>\n

\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u3092\u7dad\u6301\u3057\u7d99\u7d9a\u7684\u306a\u5f71\u97ff-\u632f\u52d5\u6642\u306e\u30c8\u30e9\u30c3\u30af\u8d70\u884c\u3001\u30ed\u30c3\u30af-\u6398\u308a\u30d0\u30b1\u30c3\u30c8\u52d5\u4f5c\u3057\u307e\u3059\u3002 \u88fd\u54c1\u63a1\u7528\u591a\u70b9\u5727\u7e2e\u5f37\u5316\u3002 \u9244\u82af\u3084\u30b3\u30a4\u30eb\u306e\u7de0\u3081\u306b\u3088\u308b\u9ad8\u5f37\u5ea6\u30dc\u30eb\u30c8\u3092\u88c5\u7740\u53cd\u3086\u3063\u305f\u308a\u306e\u30ca\u30c3\u30c4\u985e\u304a\u3088\u3073\u885d\u6483\u5438\u53ce\u30ac\u30b9\u30b1\u30c3\u30c8 \u3053\u306e\u30b3\u30a4\u30eb\u5909\u4f4d\u306e\u7d76\u7e01\u8010\u6469\u8017\u6027\u3001\u30d5\u30a1\u30b9\u30ca\u30fc-\u7de9\u307f\u306b\u3088\u308b\u6301\u7d9a\u7684\u306a\u5f71\u97ff-\u632f\u52d5\u3068\u306a\u308a\u307e\u3059\u3002 \u8db3\u308a\u306a\u3044\u8010\u885d\u6483\u5f37\u5316\u3001\u6c4e\u7528\u5de5\u696d\u88fd\u54c1\u304c\u5bb9\u6613\u306b\u5185\u90e8\u306e\u7de9\u307f\u306e\u4e0b\u3067\u306e\u6301\u7d9a\u7684\u306a\u632f\u52d5\u304a\u3088\u3073\u30c8\u30ea\u30ac\u30fc\u306e\u5730\u4e0a-\u52a0\u71b1-\u77ed\u7d61\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n

2.3\u5f37\u5316\u771f\u7a7a-\u52a0\u5727\u542b\u6d78\u7d76\u7e01\u9632\u6e7f-\u9632\u5875-\u77f3\u70ad-\u7c89\u5875-\u8010\u98df\u6027\u80fd<\/h3>\n

\u5730\u4e0b\u306e\u77f3\u70ad\u9271\u5c71\u306e\u74b0\u5883\u6a5f\u80fd\u9ad8\u6e7f\u5ea6\u53ca\u3073\u91cd\u70ad\u3067\u3059\u3002 \u7d76\u7e01\u306e\u6c4e\u7528\u88fd\u54c1\u3092\u5bb9\u6613\u306b\u6c34\u5206\u3092\u5438\u53ce\u3057\u3001\u84c4\u7a4d\u3059\u308b\u5875\u306f\u3001\u6025\u901f\u306a\u65ad\u71b1\u6027\u80fd\u306e\u52a3\u5316\u3068\u3044\u3046 \u30b3\u30a4\u30eb\u306e\u88fd\u54c1\u3092\u63a1\u7528\u3057VPI\u771f\u7a7a-\u52a0\u5727\u542b\u6d78\u30d7\u30ed\u30bb\u30b9\u306e\u9ad8\u6e29\u3001\u8010\u6e7f\u7279\u5225\u9271\u696d-\u30b0\u30ec\u30fc\u30c9\u306e\u7d76\u7e01\u6750\u6599\u3067\u3059\u3002 \u5168\u4f53\u306e\u7d76\u7e01\u5b9a\u683c\u4e0a\u3052\u3068\u9632\u6e7f\u3001\u9632\u30ab\u30d3-\u9632\u5875-\u8010\u307e\u3059\u3002 \u77f3\u70ad-\u7c89\u5875\u306e\u8cab\u30b3\u30a4\u30eb\u306e\u5185\u88c5\u6750\u3084\u65ad\u71b1\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u5f15\u304d\u7d9a\u304d\u975e\u52a3\u5316\u306e\u4e0b\u3067\u9577\u671f\u306e\u64cd\u4f5c\u3001\u9ad8\u6e7f\u5ea6\u9632\u5875-\u30e9\u30c7\u30a3\u30f3\u5730\u4e0b\u306e\u6761\u4ef6\u3067\u3059\u3002<\/p>\n

2.4\u63a1\u9271-\u6398\u524a-\u885d\u6483\u8ca0\u8377\u578b\u306e\u30ab\u30b9\u30bf\u30e0-\u30c1\u30e5\u96fb\u78c1\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u30ec\u30b8\u30b9\u30c8\u78c1\u6c17\u98fd\u548c\u306e\u4e0b\u3067\u306e\u91cd\u3044\u96fb\u6d41<\/h3>\n

\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u306e\u7279\u5fb4\u77ed\u671f\u8d85\u91cd\u885d\u6483\u8377\u91cd\u6fc0\u96fb\u6d41\u306e\u9ad8\u9a30\u3067\u30d0\u30b1\u30c3\u30c8\u6398\u524a\u3068\u601d\u3044\u307e\u3059\u3002 \u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304a\u3088\u3073\u30a8\u30a2\u30ae\u30e3\u30c3\u30d7\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u539f\u5b50\u7089\u3067\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306e\u305f\u3081\u306e\u6398\u524a-\u885d\u6483\u8377\u91cd\u7279\u6027\u3067\u3059\u3002 \u30b3\u30a2\u30ec\u30b8\u30b9\u30c8\u78c1\u6c17\u98fd\u548c\u4e0b\u3067\u306e\u77ed\u671f\u306e\u91cd\u3044\u96fb\u6d41\u30b5\u30fc\u30b8\u306b\u5bfe\u7dad\u6301\u5b89\u5b9a\u3057\u305f\u96fb\u6d41\u5236\u9650\u304a\u3088\u3073\u9ad8\u8abf\u6ce2\u6291\u5236\u3059\u3002 \u6c4e\u7528\u7089\u306e\u8a2d\u8a08\u306e\u305f\u3081\u306e\u5805\u8abf\u306a\u8377\u91cd\u304a\u3088\u3073\u98fd\u548c\u6025\u901f\u306b\u77ed\u671f\u91cd\u6398-\u8a98\u5c0e\u96fb\u6d41\u306b\u5931\u308f\u308c\u3064\u3064\u3042\u308b\u3068\u3044\u3046\u3001\u4fdd\u8b77\u6a5f\u80fd<\/p>\n

2.5\u30ab\u30b9\u30bf\u30e0-\u30b3\u30f3\u30d1\u30af\u30c8\u306e\u7206\u767a\u5206\u96e2\u3055\u308c\u305f\u7b50\u4f53Fit\u9589\u3058\u8fbc\u3081\u96fb\u6c17\u904b\u8ee2\u53f0-\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u306e\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb<\/h3>\n

\u96fb\u6c17\u30ad\u30e3\u30d3\u30f3\u306e\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u4f5c\u696d\u7528\u306b\u3042\u305f\u308a\u306e\u8a2d\u7f6e\u30b9\u30da\u30fc\u30b9\u304c\u7206\u767a-\u5b64\u7acb\u3057\u305f\u30cf\u30a6\u30b8\u30f3\u30b0\u3092\u5360\u3081\u308b\u4e00\u5b9a\u306e\u6570\u91cf. \u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3044\u305f\u3057\u307e\u6982\u8981\u5bf8\u6cd5\u306b\u3088\u308bOEM\u56f3\u9762\u306e\u96fb\u6c17\u30ad\u30e3\u30d3\u30f3\u306e\u6700\u9069\u5316\u4f4f\u5b85\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u884c\u3063\u3066\u304a\u308a\u307e\u3059\u3002 \u88fd\u54c1\u306e\u5bb9\u7a4d-\u91cd\u91cf\u306e\u5236\u5fa1\u4e0b\u306b\u6577\u5730\u5185\u3067\u306e\u7206\u767a-\u96e2\u5f37\u5ea6\u8981\u4ef6\u306e\u5186\u6ed1\u5316\u3092\u5b8c\u4e86-\u6a5f\u68b0\u7d71\u5408-\u7d44\u307f\u7acb\u3066\u304a\u3088\u3073\u524a\u6e1b\u306e\u5909\u66f4\u4f5c\u696d\u306e\u305f\u3081\u306e\u5168\u6a5f\u68b0\u69cb\u9020\u3002<\/p>\n

\u696d\u754c\u7279\u6709\u306e\u554f\u984c\u3092\u89e3\u6d88\u304a\u3088\u3073\u7533\u8acb\u5024<\/p>\n

3.1\u6392\u30ac\u30b9\u7206\u767a\u306e\u5b89\u5168\u6027\u5371\u967a\u6709\u5bb3\u6027\u306b\u3088\u308b\u5730\u4e0b\u96fb\u6c17\u7684-\u30a2\u30fc\u30af-\u30ea\u30b9\u30af<\/h3>\n

\u6c4e\u7528\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u3092\u5206\u96e2\u3067\u304d\u306a\u3044\u30ea\u30b9\u30af\u306e\u5916\u5074\u306b\u6f0f\u96fb\u5f27\u5185\u90e8\u77ed\u7d61\u30a2\u30fc\u30af\u653e\u96fb\u3092\u5bb9\u6613\u306b\u706b\u3092\u3064\u3051\u308b\u5730\u4e0b\u30ac\u30b9\u53ca\u3073\u77f3\u70ad\u306e\u3067\u3059\u3002 \u9632\u7206\u5b64\u7acb\u3057\u305f\u30cf\u30a6\u30b8\u30f3\u30b0\u88fd\u54c1\u3092\u542b\u3080\u65ad\u5c64\u306e\u8a98\u8d77\u96fb\u5f27\u5185\u306e\u7b50\u4f53\u3084\u6392\u9664\u306e\u30ea\u30b9\u30af\u306e\u30a2\u30fc\u30af\u304b\u3089\u306e\u6f0f\u6d29\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u9762\u3067\u3059\u3002 \u3092\u6e80\u305f\u3057\u305f\u30cf\u30fc\u30c9\u306e\u7206\u767a-\u5b89\u5168\u6027\u8981\u4ef6\u306f\u3001\u5730\u4e0b\u306e\u77f3\u70ad\u9271\u5c71\u30d7\u3092\u69cb\u6210\u306b\u4e0d\u53ef\u6b20\u306a\u5b89\u5168\u6027\u3092\u652f\u3048\u308b\u90e8\u54c1\u306e\u305f\u3081\u306e\u30e2\u30d0\u30a4\u30eb\u5730\u4e0b\u9271\u696d\u88c5\u7f6e\u3067\u3059\u3002<\/p>\n

3.2\u6e1b\u306e\u9ad8\u3044\u6545\u969c\u7387\u306e\u30ea\u30b9\u30af\u306e\u96fb\u6c17-\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u308b\u6398\u524a-\u885d\u6483\u8377\u91cd<\/h3>\n

\u6fc0\u8ca0\u8377\u5909\u52d5\u6642\u306e\u6398\u524a\u3001\u65cb\u56de\u306e\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u3092\u6301\u7a81\u5165\u96fb\u6d41PWM\u96fb\u5727\u30b9\u30d1\u30a4\u30af\u3068\u5bb9\u6613\u306b\u30a4\u30f3\u30d0\u30fc\u30bf\u306e\u640d\u50b7\u3068\u7834\u58ca\u30e2\u30fc\u30bf\u30fc\u65ad\u71b1\u6027\u3092\u5411\u4e0a\u3055\u305b\u3066\u304a\u308a\u307e\u3059\u3002 \u8907\u5408\u89e3\u306e\u7206\u30c8\u30e9\u30f3\u30b9\u30d7\u30e9\u30b9\u3067\u5165\u529b-\u51fa\u529b\u7089\u7d71\u306e\u96fb\u529b\u54c1\u8cea\u554f\u984c\u306e\u6e90\u6cc9\u3092\u5927\u5e45\u306b\u4f4e\u6545\u969c\u7387\u30a4\u30f3\u30d0\u30fc\u30bf\u99c6\u52d5\u30e2\u30fc\u30bf\u30fc\u3001\u5207\u65ad\u5730\u4e0b\u6a5f\u5668\u306e\u505c\u6b62-\u4fee\u7406\u307e\u3059\u3002 \u5730\u4e0b\u7a7a\u9593\u3092\u30aa\u30fc\u30d0\u30fc\u30db\u30fc\u30eb\u306f\u72ed\u304f\u3001\u64cd\u696d\u3092\u30ea\u30b9\u30af\u306e\u4f4e\u6e1b\u4e0d\u5468\u6ce2\u6570\u3092\u8efd\u6e1b\u306e\u4eba\u54e1-\u5730\u4e0b-\u6574\u5099\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3092<\/p>\n

3.3\u89e3\u6c7a\u306e\u65e9\u671f-\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6545\u969c\u306e\u554f\u984c\u306b\u3088\u308b\u5730\u4e0b\u632f\u52d5\u3001\u6e7f\u5ea6\u304a\u3088\u3073\u91cd-\u7c89\u5875<\/h3>\n

\u6642\u6c4e\u7528\u5de5\u696d\u88fd\u54c1\u5c55\u958b\u3055\u308c\u3001\u8907\u5408\u7684\u5f71\u97ff\u306e\u632f\u52d5\u3001\u77f3\u70ad-\u7c89\u5875\u3084\u6c34\u5206\u304c\u7d76\u7e01\u52a3\u5316\u3001\u30b3\u30a4\u30eb\u306e\u7de9\u65ad\u5c64\u5185\u306e\u4e00\u5e74\u9593\u306e\u30b5\u30fc\u30d3\u30b9\u30b5\u30a4\u30af\u30eb\u3067\u3059\u3002 \u5f37\u5236\u632f\u69cb\u9020\u306e\u30d7\u30e9\u30b9\u306e\u771f\u7a7a-\u52a0\u5727\u542b\u6d78\u7d76\u7e01\u6280\u8853\u3092\u5927\u5e45\u306b\u5ef6\u9577\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30b5\u30fc\u30d3\u30b9\u306e\u751f\u547d\u3001\u30ab\u30c3\u30c8\u90e8\u54c1-\u8abf\u9054-\u904b\u7528-\u4fdd\u5b88\u8cbb\u7528\u306e\u5168\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u304a\u3088\u3073\u4fdd\u8a3c\u7d99\u7d9a\u7684\u306a\u5730\u4e0b\u30c8\u30f3\u30cd\u30eb\u3068\u8108-\u8f38\u9001\u307e\u3059\u3002<\/p>\n

\u8a2d\u8a08\u3092\u9075\u5b88\u3059\u77f3\u70ad\u9271\u9632\u7206\u8a3c\u660e\u306e\u57fa\u6e96\u306f\u3001\u5f53\u793e\u306e\u30b7\u30ea\u30fc\u30ba\u7279\u6b8a\u9632\u7206\u69cb\u9020\u306e\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u306e\u305f\u3081\u306e\u9271\u5c71\u304c\u7d4c\u904e\u3057\u3066\u3044\u632f\u52d5\u3001\u9ad8\u4f4e\u6e29-\u7206\u767a-\u7d76\u7e01\u578b\u8a66\u9a13\u3067\u5f97\u3089\u308c\u305f\u95a2\u9023\u3059\u308b\u77f3\u70ad-\u9271\u5c71-\u5b89\u5168\u6027\u8a8d\u5b9a\u3057\u307e\u3059\u3002 \u3066\u3044\u5408\u308f\u305b\u305f\u8907\u6570\u306e\u30e2\u30c7\u30eb\u5730\u4e0b\u96fb\u6c17\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u3084\u3001\u5b89\u5fc3\u3068\u4fe1\u983c\u3092\u304a\u5c4a\u3051\u96fb\u6e90\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u5730\u4e0b\u63a1\u9271-\u6398\u524a\u6a5f\u5668\u3001\u9632\u7206\u5b89\u5168\u6027\u3001\u8a2d\u5099\u306e\u5b89\u5b9a\u3068\u5730\u4e0b\u904b\u7528-\u4fdd\u5b88\u3002<\/p>","protected":false},"excerpt":{"rendered":"

Underground coal-mine roadways are narrow, with methane-gas and suspended explosive coal-dust in ambient air, high-humidity conditions and heavy coal-dust accumulation. As heavy-duty tracked mobile equipment, mining excavators sustain heavy rock-impact and whole-machine vibration during bucket digging, boom lifting-lowering, body slewing and track travelling. Equipped with variable-frequency drive systems, excavators produce massive harmonics and inrush currents upon sharp load changes during digging operations. Long underground power-supply cables for mining districts also bring voltage drop and three-phase unbalance. General-purpose industrial transformers and reactors have no explosion-proof structures. Without flame-retardant and explosion-isolating housings, electric arcs generated upon internal short-circuit arcing will leak out directly and readily ignite underground gas and coal dust and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[],"tags":[],"class_list":["post-7003","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"\nCoal-mine Explosion-proof\uff5cUnderground Mining Excavator Case - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lstransformer.com\/ja\/coal-mine-explosion-proof\uff5cunderground-mining-excavator-case\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Coal-mine Explosion-proof\uff5cUnderground Mining Excavator Case - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\" \/>\n<meta property=\"og:description\" content=\"Underground coal-mine roadways are narrow, with methane-gas and suspended explosive coal-dust in ambient air, high-humidity conditions and heavy coal-dust accumulation. As heavy-duty tracked mobile equipment, mining excavators sustain heavy rock-impact and whole-machine vibration during bucket digging, boom lifting-lowering, body slewing and track travelling. Equipped with variable-frequency drive systems, excavators produce massive harmonics and inrush currents upon sharp load changes during digging operations. Long underground power-supply cables for mining districts also bring voltage drop and three-phase unbalance. General-purpose industrial transformers and reactors have no explosion-proof structures. Without flame-retardant and explosion-isolating housings, electric arcs generated upon internal short-circuit arcing will leak out directly and readily ignite underground gas and coal dust and […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.lstransformer.com\/ja\/coal-mine-explosion-proof\uff5cunderground-mining-excavator-case\/\" \/>\n<meta property=\"og:site_name\" content=\"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-29T15:05:17+00:00\" \/>\n<meta name=\"author\" content=\"xiangligougou\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"xiangligougou\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"7\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/\"},\"author\":{\"name\":\"xiangligougou\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#\\\/schema\\\/person\\\/4aa28de58bbcbc630401c966317223d3\"},\"headline\":\"Coal-mine Explosion-proof\uff5cUnderground Mining Excavator Case\",\"datePublished\":\"2026-09-29T15:05:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/\"},\"wordCount\":1332,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#organization\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/\",\"url\":\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/\",\"name\":\"Coal-mine Explosion-proof\uff5cUnderground Mining Excavator Case - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#website\"},\"datePublished\":\"2026-09-29T15:05:17+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/www.lstransformer.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Coal-mine Explosion-proof\uff5cUnderground Mining Excavator Case\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#website\",\"url\":\"https:\\\/\\\/www.lstransformer.com\\\/\",\"name\":\"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.lstransformer.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#organization\",\"name\":\"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\",\"url\":\"https:\\\/\\\/www.lstransformer.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.lstransformer.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-7e09bd7bad9c830e0d75b8487b0d77c3-1.webp\",\"contentUrl\":\"https:\\\/\\\/www.lstransformer.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/cropped-7e09bd7bad9c830e0d75b8487b0d77c3-1.webp\",\"width\":760,\"height\":202,\"caption\":\"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\"},\"image\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#\\\/schema\\\/person\\\/4aa28de58bbcbc630401c966317223d3\",\"name\":\"xiangligougou\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9cd84f27b57f8e0da2e8f59e38e2e665ad012e9ffc89a7182019a98e9590337b?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9cd84f27b57f8e0da2e8f59e38e2e665ad012e9ffc89a7182019a98e9590337b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9cd84f27b57f8e0da2e8f59e38e2e665ad012e9ffc89a7182019a98e9590337b?s=96&d=mm&r=g\",\"caption\":\"xiangligougou\"},\"sameAs\":[\"https:\\\/\\\/lstransformer.com\"],\"url\":\"https:\\\/\\\/www.lstransformer.com\\\/ja\\\/author\\\/xiangligougou\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u77f3\u70ad\u9271\u9632\u7206\uff5c\u5730\u4e0b\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u306e\u5834\u5408-LS\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u3001\u7089\u3067\u306f\u3001\u9ad8\u96fb\u5727\u30c8\u30e9\u30f3\u30b9\u3001\u6cb9\u5165\u5909\u5727\u5668-\u9577\u6c99(\u9577\u6c99\u7687\u51a0\u4eee\u65e5\u9152\u5e97)\u5eec\u5c71\u96fb\u5b50\u6280\u8853\u682a\u5f0f\u682a\u5f0f\u4f1a\u793e","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.lstransformer.com\/ja\/coal-mine-explosion-proof\uff5cunderground-mining-excavator-case\/","og_locale":"ja_JP","og_type":"article","og_title":"Coal-mine Explosion-proof\uff5cUnderground Mining Excavator Case - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD","og_description":"Underground coal-mine roadways are narrow, with methane-gas and suspended explosive coal-dust in ambient air, high-humidity conditions and heavy coal-dust accumulation. As heavy-duty tracked mobile equipment, mining excavators sustain heavy rock-impact and whole-machine vibration during bucket digging, boom lifting-lowering, body slewing and track travelling. Equipped with variable-frequency drive systems, excavators produce massive harmonics and inrush currents upon sharp load changes during digging operations. Long underground power-supply cables for mining districts also bring voltage drop and three-phase unbalance. General-purpose industrial transformers and reactors have no explosion-proof structures. Without flame-retardant and explosion-isolating housings, electric arcs generated upon internal short-circuit arcing will leak out directly and readily ignite underground gas and coal dust and […]","og_url":"https:\/\/www.lstransformer.com\/ja\/coal-mine-explosion-proof\uff5cunderground-mining-excavator-case\/","og_site_name":"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD","article_published_time":"2026-09-29T15:05:17+00:00","author":"xiangligougou","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"xiangligougou","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"7\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/#article","isPartOf":{"@id":"https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/"},"author":{"name":"xiangligougou","@id":"https:\/\/www.lstransformer.com\/#\/schema\/person\/4aa28de58bbcbc630401c966317223d3"},"headline":"Coal-mine Explosion-proof\uff5cUnderground Mining Excavator Case","datePublished":"2026-09-29T15:05:17+00:00","mainEntityOfPage":{"@id":"https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/"},"wordCount":1332,"commentCount":0,"publisher":{"@id":"https:\/\/www.lstransformer.com\/#organization"},"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/","url":"https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/","name":"\u77f3\u70ad\u9271\u9632\u7206\uff5c\u5730\u4e0b\u9271\u6cb9\u5727\u30b7\u30e7\u30d9\u30eb\u306e\u5834\u5408-LS\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u3001\u7089\u3067\u306f\u3001\u9ad8\u96fb\u5727\u30c8\u30e9\u30f3\u30b9\u3001\u6cb9\u5165\u5909\u5727\u5668-\u9577\u6c99(\u9577\u6c99\u7687\u51a0\u4eee\u65e5\u9152\u5e97)\u5eec\u5c71\u96fb\u5b50\u6280\u8853\u682a\u5f0f\u682a\u5f0f\u4f1a\u793e","isPartOf":{"@id":"https:\/\/www.lstransformer.com\/#website"},"datePublished":"2026-09-29T15:05:17+00:00","breadcrumb":{"@id":"https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.lstransformer.com\/coal-mine-explosion-proof%ef%bd%9cunderground-mining-excavator-case\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.lstransformer.com\/"},{"@type":"ListItem","position":2,"name":"Coal-mine Explosion-proof\uff5cUnderground Mining Excavator Case"}]},{"@type":"WebSite","@id":"https:\/\/www.lstransformer.com\/#website","url":"https:\/\/www.lstransformer.com\/","name":"LS\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u3001\u7089\u3067\u306f\u3001\u9ad8\u96fb\u5727\u30c8\u30e9\u30f3\u30b9\u3001\u6cb9\u5165\u5909\u5727\u5668-\u9577\u6c99(\u9577\u6c99\u7687\u51a0\u4eee\u65e5\u9152\u5e97)\u5eec\u5c71\u96fb\u5b50\u6280\u8853\u682a\u5f0f\u682a\u5f0f\u4f1a\u793e","description":"","publisher":{"@id":"https:\/\/www.lstransformer.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.lstransformer.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.lstransformer.com\/#organization","name":"LS\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u3001\u7089\u3067\u306f\u3001\u9ad8\u96fb\u5727\u30c8\u30e9\u30f3\u30b9\u3001\u6cb9\u5165\u5909\u5727\u5668-\u9577\u6c99(\u9577\u6c99\u7687\u51a0\u4eee\u65e5\u9152\u5e97)\u5eec\u5c71\u96fb\u5b50\u6280\u8853\u682a\u5f0f\u682a\u5f0f\u4f1a\u793e","url":"https:\/\/www.lstransformer.com\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.lstransformer.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/06\/cropped-7e09bd7bad9c830e0d75b8487b0d77c3-1.webp","contentUrl":"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/06\/cropped-7e09bd7bad9c830e0d75b8487b0d77c3-1.webp","width":760,"height":202,"caption":"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD"},"image":{"@id":"https:\/\/www.lstransformer.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.lstransformer.com\/#\/schema\/person\/4aa28de58bbcbc630401c966317223d3","name":"xiangligougou","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/9cd84f27b57f8e0da2e8f59e38e2e665ad012e9ffc89a7182019a98e9590337b?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9cd84f27b57f8e0da2e8f59e38e2e665ad012e9ffc89a7182019a98e9590337b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/9cd84f27b57f8e0da2e8f59e38e2e665ad012e9ffc89a7182019a98e9590337b?s=96&d=mm&r=g","caption":"xiangligougou"},"sameAs":["https:\/\/lstransformer.com"],"url":"https:\/\/www.lstransformer.com\/ja\/author\/xiangligougou\/"}]}},"_links":{"self":[{"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/posts\/7003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/comments?post=7003"}],"version-history":[{"count":0,"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/posts\/7003\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/media?parent=7003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/categories?post=7003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lstransformer.com\/ja\/wp-json\/wp\/v2\/tags?post=7003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}