switching contact 中文意思是什麼
switching contact
解釋
交換接點-
The contact functions normally open normally closed and the contact types p - switching n - switching are available as optional extras
接點功能常開常閉和接點類型p型開關n型開關都可供選擇。 -
The switching reliability and long service life are guaranteed by either a silver plated or optional gold plated contact
鍍銀的或鍍金的接點保證了開關的可靠性和使用壽命。 -
In bimetallic thermostats a so - called snap - disc is used as a contact spring ; a fixed temperature switching point can be adjusted via the combination of materials, form and length
在雙金屬溫度調節器中，一個所謂的速動盤作為接觸彈簧一個固定的溫度開關點則可以通過結合材料，形狀和長度進行調整。 -
In bimetallic thermostats a so - called snap - disc is used as a contact spring ; a fixed temperature switching point can be adjusted via the combination of materials, form and length. the hysteresis is fixed, the switching and reset points are identical
在雙金屬片自動調溫器中一個所謂的速動盤用作接觸彈簧通過材料型狀和長度的組合可以調整到一個合適的固定的溫度開關點滯後作用是固定的，開關和恢復點是固定的。 -
The switch is not only when switching over with production of electric arc, mechanical contact head easy to be damaged, but also it is slow to regulate, ca n ' t frequently operate, so limit the range of application of this kind of switch
這種開關不僅切換時伴有電弧的產生，機械觸頭容易損壞，而且調節速度慢，不能頻繁操作，因此限制了這種開關的應用范圍。 -
When accuracy and quality are required by our customers we offer our contact thermometers. they are suitable for controlling or regulating processes. the temperature measured directly with the thermometer is used as the switching value
當客戶對精確度和質量提出要求的時候，我們提供我們的接觸式溫度計給客戶。它們適用於控制和調節過程。被直接測量出來的溫度被當作切換值。 -
Switching, elastomeric contact
彈性接觸交換 -
It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time
晶閘管具有過零、動作快速的特點，本研究以晶閘管為電容器和電抗器的分組投切開關，重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確定、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生諧振的處理計算方法，給出實現最佳補償投切選擇方法（測控系統、儀表變送系統、操作和保護系統的設計步驟） ，研製了一套高可靠性晶閘管觸發控制及保護系統，實現對無功的靜止可調補償。 -
The limit signal transmitter can undertake both a closing and an opening function. with changeover contacts on reaching the switching temperature one contact is opened and another contact closed
當達到設定的溫度開關點時，它的一鍵雙置觸點就會打開一個開關，同時關閉另外一個。 -
Through the results, the electrical life of the five kinds of contact materials under different conditions when they are symmetrically matched were analyzed and studied from the loss of quality and extent of cracks, and they were compared with the electrical life of the same material under the same conditions when they are asymmetrically matched this will guide the selection of materials used in switching apparatus
通過實驗結果，從觸頭質量損失量和觸頭表面出現裂紋的程度兩方面分析和研究了它們對稱配對時在不同條件的電壽命，並和相同條件下同種材料非對稱配對時的電壽命進行比較，從而為開關電器中材料的合理使用提供指導。 -
To reduce the high starting current as asynchronous motors start up directly and eliminate the negative influence that brought about by switching of contact when it starts up with reduced - voltage means, two new methods based on power electronics technology for improving the starting characteristics of three - phase induction motor are presented. one is alternative voltage regulator, the other is alternative voltage chopper. the three - phase regulating circuit - asynchronous motors system and the three phase chopper circuit - asynchronous motors system are analyzed and simulated with matlab
為解決上述問題，本文提出一種基於斬波方式的三相交流異步電動機的軟起動新方法，論文對電路的起動特性、功率因數、諧波以及控制策略進行了研究，模擬結果表明這種基於斬波方式的三相交流異步電動機的軟起動方法比基於三相交流調壓的三相交流異步電動機的軟起動方法具優越性。 -
According to vacuum arc theory, the contact structure of vacuum interrupter is changed to produce magnetic field in the open space of the switching house. hence, the short - circuit current breaking capability in vacuum interrupter can be enhanced
根據真空電弧理論，人們通過改變真空滅弧室觸頭結構，使其開斷時在斷口空間產生磁場，以此來提高真空滅弧室的短路電流開斷密度。
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