软启动器采用三相反并联晶闸管作为调压器，用这种电路如三相全控桥式整流电路，使用软启动器启动电动机时，晶闸管的输出电压逐渐增加，电动机逐渐加速，直到晶闸管全导通，电动机工作在额定电压的机械特性上，实现平滑启动，降低启动电流，避免启动过流跳闸。将其接入电源和电动机定子之间。

  陕西欣鸿然自动化设备有限公司

v  联系人:陈婵

v  热  线：029-83338940

v  手 机：15389093544

v  Q Q:2603425377    

v  邮箱:2603425377@qq.com

v  传真:029-83561013 

v   

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四曰：言者以谕意也。言意相离，凶也。乱国之俗，甚多流言，而不顾其实，务以相毁，务以相誉，毁誉成党，众口熏天，贤不肖不分。以此治国，贤主犹惑之也，又况乎不肖者乎？惑者之患，不自以为惑，故惑惑之中有晓焉，冥冥之中有昭焉。亡国之主，不自以为惑，故与桀、纣、幽、厉皆也。然有亡者国，无二道矣。郑国多相县以书者，子产令无县书，邓析致之。子产令无致书，邓析倚之。令无穷，则邓析应之亦无穷矣。是可不可无辩也。可不可无辩，而以赏罚，其罚愈疾，其乱愈疾。此为国之禁也。故辩而不当理则伪，知而不当理则诈。诈伪之民，先王之所诛也。理也者，是非之宗也。洧水甚大，郑之富人有溺者，人得其死者。富人请赎之，其人求金甚多。以告邓析，邓析曰：“安之。人必莫之卖矣。” 得死者患之，以告邓析，邓析又答之曰：“安之。此必无所更买矣。”夫伤忠臣者有似於此也。夫无功不得民，则以其无功不得民伤之；有功得民，则又以其有功得民伤之。人主之无度者，无以知此，岂不悲哉？比干、苌弘以此死，箕子、商容以此穷，周公、召公以此疑，范蠡、子胥以此流，死生存亡安危，从此生矣。子产治郑，邓析务难之，与民之有狱者约：大狱一衣，小狱襦袴。民之献衣襦袴而学讼者，不可胜数。以非为是，以是为非，是非无度，而可与不可日变。