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              繼電器和ABB接觸器他倆的不同之處

              來源:http://www.cekidots.com/ 日期:2021-11-30 發布人:tongjid

              繼電與ABB接觸器均為電磁開關電器,但前者屬于工作在控制回路中的開關電器,后者屬于工作在主回路上的開關電器。
              Both relay and ABB contactor are electromagnetic switching electrical appliances, but the former belongs to the switching electrical appliances working in the control circuit, and the latter belongs to the switching electrical appliances working in the main circuit
              正因為開關電器有觸點,使其轉換深度較高,因此在接通電路時,開關電器執行電流的電能損耗較小,對被控電路的影響較小。
              Because of the contact point of the switch, the switch has a higher conversion depth, so when the circuit is switched on, the power loss of the switching current is smaller, and the impact on the controlled circuit is smaller.
              切斷電路時,開關電器有觸點,它的執行電路 ide電阻很高,因此可以保證電器的電壓等級。
              When the circuit is cut off, the switching appliance has contacts, and the ide resistance of its execution circuit is very high, so the voltage level of the appliance can be guaranteed.
              與此相反,無觸點電器啟動后不會產生電弧。但是非接觸式電器轉換深度較低,所以其損耗較大,并且發熱比較嚴重。
              In contrast, contactless appliances do not generate arcing after starting. But the non-contact electrical appliances conversion depth is low, so its loss is large, and heating is more serious.
              繼電器激磁線圈通電后,激磁線環電流在電磁系統中逐漸增大并產生磁通,其中銜鐵與鐵心間氣隙的磁通對銜鐵起作用。
              After the relay exciting coil is energized, the exciting loop current increases gradually in the electromagnetic system and produces magnetic flux, in which the flux between armature and air gap between armature and core acts on armature.
              當工作磁通逐漸增大時,作用于銜鐵的電磁吸力(轉矩)也越來越大。如果電磁吸力大于系統反力,銜鐵將繞其轉動軸旋轉,帶動執行部分C0的動觸頭運動(觸頭系統),從而實現常開觸頭和常閉觸頭變位。
              When the working magnetic flux increases gradually, the electromagnetic force (Torque) acting on the armature also increases. If the electromagnetic force is greater than the system reaction force, the armature will rotate around its rotating axis and drive the moving contact (contact system) of the actuating part C0, thus realizing the constant open contact and constant close contact displacement.
              當激磁線圈斷電后,激磁線圈的電流逐漸減小,電磁系統的磁通也逐漸減小,工作氣隙磁通也隨之減小,作用在磁鐵上的電磁吸力越來越小。如果電磁吸力小于磁鐵反力,ABB接觸器則銜鐵在系統反力的作用下,開始返回初始位置,帶動動觸點C0向初始位置移動,直至常開觸點及常閉觸頭復位。如果電磁吸力小于磁鐵反力,則銜鐵在系統反力的作用下,開始返回初始位置,帶動動觸點C0向初始位置移動,直至常開觸點及常閉觸頭復位。
              When the power of the exciting coil is cut off, the current of the exciting coil decreases, the magnetic flux of the electromagnetic system decreases, the air gap magnetic flux also decreases, and the electromagnetic force acting on the magnet decreases. If the electromagnetic force is less than the reaction force of the magnet, the armature of the ABB contactor begins to return to the initial position under the reaction force of the system, driving the contact C0 to move to the initial position until the normally open contact and normally closed contact are reset. If the electromagnetic force is less than the reaction force of the magnet, the armature begins to return to the initial position under the reaction force of the system, and drives the contact C0 to move to the initial position until the normally open contact and normally closed contact are reset.
               
               


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