所示各控制电路有什么错误?应如何改正? 试找出图中各控制电路的错误，这些错误会出现何现象？应如何改正
\u8bf7\u5206\u6790\u4e0b\u56fe\u6240\u793a\u5404\u63a7\u5236\u7535\u8def\uff0c\u4f1a\u51fa\u73b0\u4f55\u79cd\u73b0\u8c61\uff1f\u5e94\u5982\u4f55\u6539\u6b63\u3002a\u3001KM\u81ea\u9501\u4f4d\u7f6e\u4e0d\u5bf9\uff0c\u4f1a\u51fa\u73b0\u542f\u52a8\u540e\u505c\u6b62\u4e0d\u4e86\u3002
b\u3001KM\u81ea\u9501\u9519\u7528\u5e38\u95ed\uff0c\u901a\u7535\u5c31\u4f1a\u4e0d\u505c\u7684\u5438\u5408-\u65ad\u5f00\u3002
C\u3001KM\u81ea\u9501\u4f4d\u7f6e\u63a5\u9519\u3001SB2\u4f4d\u7f6e\u63a5\u9519\uff0c\u542f\u52a8\u5c31\u4f1a\u5f62\u6210\u77ed\u8def
\u89c1\u4e0b\u56fe\uff1a
a\uff09\u63a7\u5236\u7535\u6e90\u4e0d\u80fd\u6784\u6210\u56de\u8def\uff0c\u540c\u65f6\u63a7\u5236\u7ebf\u65e0\u77ed\u8def\u4fdd\u62a4\uff1b\u6309SB\u6309\u94ae\uff0c\u63a5\u89e6\u5668\u4e0d\u80fd\u5438\u5408\u3002
b\uff09\u81ea\u4fdd\u6301\u89e6\u70b9\u63a5\u9519\u4f4d\u7f6e\uff1b\u53ea\u80fd\u70b9\u52a8\uff0c\u4e0d\u80fd\u81ea\u4fdd\u6301\u3002
c\uff09\u81ea\u4fdd\u6301\u89e6\u70b9\u63a5\u9519\u4f4d\u7f6e\uff1b\u542f\u52a8\u540e\u505c\u6b62\u6309\u94ae\u5931\u6548\uff0c\u4e0d\u80fd\u505c\u6b62\u3002
d\uff09\u81ea\u4fdd\u6301\u89e6\u70b9\u63a5\u9519\uff0c\u5e94\u4f7f\u7528\u5e38\u5f00\u70b9\uff1b\u53ea\u80fd\u70b9\u52a8\uff0c\u4e0d\u80fd\u81ea\u4fdd\u6301\u3002
e\uff09\u53cd\u8f6c\u63a5\u89e6\u5668\u63a5\u9519\uff0c\u53ea\u9700\u8981\u8c03\u6574\u4e24\u76f8\uff1b\u4e09\u76f8\u540c\u65f6\u8c03\u6574\uff0c\u8f6c\u5411\u4e0d\u53d8\u3002
f\uff09KM1\u63a5\u89e6\u5668\u4e0a\u7684\u4e92\u9501\u70b9\u63a5\u9519\uff0c\u5e94\u8be5\u4f7f\u7528\u5e38\u95ed\u70b9\uff1b\u5426\u5219\u4e0d\u80fd\u5b8c\u6210\u4e92\u9501\u63a7\u5236\u3002
g\uff09\u81ea\u4fdd\u6301\u89e6\u70b9\u63a5\u9519\u4f4d\u7f6e\uff1b\u9001\u63a7\u5236\u7535\u5c31\u8fd0\u884c\uff0c\u4e0d\u53d7\u63a7\uff1b\u6309\u4f4f\u505c\u6b62\u6309\u94aeSB1\u4f1a\u505c\u6b62\uff0c\u4f46\u677e\u5f00\u5c31\u4f1a\u7ee7\u7eed\u8fd0\u884c\uff1b\u8fd0\u884c\u6309\u94aeSB2\u548c\u70b9\u52a8\u6309\u94aeSB3\u5931\u6548\u3002
右图：点动按钮SB3的常开常闭接点接反，串联在接触器自保持接点KM下面的应当是常闭接点，并联在按钮SB2两端的应当是常开接点。
左图串在KM₁线圈的KM₂常开触点应改为KM₂常闭
右图SB₃的常开和常闭互换一下。
参考：
绛旓細宸﹀浘锛氭鍙嶈浆鎺у埗鏃讹紝KM1绾垮湀涓婅竟鐨勫父寮鎺ョ偣KM2搴斿綋鏄父闂帴鐐广傚彸鍥撅細鐐瑰姩鎸夐挳SB3鐨勫父寮甯搁棴鎺ョ偣鎺ュ弽锛屼覆鑱斿湪鎺ヨЕ鍣ㄨ嚜淇濇寔鎺ョ偣KM涓嬮潰鐨勫簲褰撴槸甯搁棴鎺ョ偣锛屽苟鑱斿湪鎸夐挳SB2涓ょ鐨勫簲褰撴槸甯稿紑鎺ョ偣銆
绛旓細a锛夋帶鍒剁數婧愪笉鑳芥瀯鎴愬洖璺紝鍚屾椂鎺у埗绾挎棤鐭矾淇濇姢锛涙寜SB鎸夐挳锛屾帴瑙﹀櫒涓嶈兘鍚稿悎銆俠锛夎嚜淇濇寔瑙︾偣鎺ラ敊浣嶇疆锛涘彧鑳界偣鍔紝涓嶈兘鑷繚鎸併俢锛夎嚜淇濇寔瑙︾偣鎺ラ敊浣嶇疆锛涘惎鍔ㄥ悗鍋滄鎸夐挳澶辨晥锛屼笉鑳藉仠姝俤锛夎嚜淇濇寔瑙︾偣鎺ラ敊锛屽簲浣跨敤甯稿紑鐐癸紱鍙兘鐐瑰姩锛屼笉鑳借嚜淇濇寔銆俥锛夊弽杞帴瑙﹀櫒鎺ラ敊锛屽彧闇瑕佽皟鏁翠袱鐩革紱涓夌浉鍚屾椂璋冩暣锛岃浆鍚...
绛旓細姝ょ數璺疭B1鏄仠姝㈡寜閽紝SB2鏄惎鍔ㄦ寜閽銆傜幇鍦ㄧ殑鎺ョ嚎浼氶犳垚鍚姩浠ュ悗鏃犳硶鍋滄鐨勬晠闅滐紝鍙渶鏀逛竴澶勬帴绾垮氨鍙甯搞
绛旓細鎸変笅SB2鐬棿KM閫氾紝鏉惧紑鏃禟M鏂傛崲鍚庯紙璇风敾鍑哄浘鍐嶅垎鏋愶級锛屼箣鍚庢棤璁烘寜鍝釜閮戒笉鑳芥柇b: SB1涓嶴B2瀵规崲銆傛病鎹㈠墠鎸塖B2鍚庨氥傛病鎹㈠墠锛氭湁閿欙紝鑷繁鎽哥储 濂界疮锛歋B2鎸変笅KM閫氾紝SB1鎸変笅鍏炽俢锛氫慨鏀规垚鍜宐鏀瑰悗鐢靛浘涓鏍枫俤
绛旓細鍥綼锛岄敊璇紝鎸変笅SB锛孠M濮嬬粓鏃犳硶甯︾數锛屽洜涓烘帶鍒剁數鍘嬪彇鐨勪笉瀵癸紝鏀硅繘锛氬簲灏咾M绾垮湀涓嬩晶鐨凩3涓婄殑杩炴帴鐐圭Щ鑷矺M涓昏Е澶翠笂渚銆傚浘b锛岄敊璇紝鎸変笅鍚姩鎸夐挳SB2锛孠M鏃犳硶鑷繚鎸侊紝鏀硅繘锛氬皢涓嶴B1骞惰仈鐨凨M甯稿紑瑙︾偣绉昏嚦涓嶴B2骞惰仈銆
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