commutate 中文意思是什麼

commutate 解釋
vt. 及物動詞 【電學】使（電流）換向；變換（交流電）為直流電。

  1. Optimal design of transparency of anode emitter in gate commutate thyristor

    門極換向晶閘管陽極透過率的優化設計
  2. Leeec may produce the special transformer according to the clients requirements including : commutate transformer ; furnace transfo - rmer ; earthing transformer ; isolation transformer

    遼寧易發式電氣設備有限公司可根據客戶需要，生產各種電壓等級特種變壓器，主要有整流變壓器電爐變壓器接地變壓器隔離變壓器等。
  3. Besed on the circuit, electromagnetism and electric power electronics theories, we have done some theory research on the harmonics induced by thyristor commutate circuits of ac - dc locomotive, surge electromagnetism process. we calculate the theory content of harmonics using the fourier arithmetic under thyristor commutate and surge electrmagnetism process

    論文根據電力機車類型的不同，運用電路、電磁場和電力電子學理論研究了交?直型電力機車相控整流時諧波的產生機理、勵磁涌流的電磁過程，並對晶閘管相控整流和勵磁涌流時的理論諧波含量進行了傅里葉分析。
  4. Gca silicon commutate battery charger are the ideal portable tools for charging, they are composed with the conditions of voltage dropping through rectifier transformer, then the bridge rectifying of rectification circuit. the output full - wave pulstin current charge the storage battery. the voltage changing composed with multiband switch. the outputcurrent can be adjusted. this kind of product used any moment onctarging anyplace

    Gca系列整流充電機是由整流變壓器的降壓，再經過流電路的橋式整流，輸出全波脈動直流對電瓶進行充電，電壓調速同多頭波段開關組，輸出流可以調節，該產品用任何需要補充充電的場所。
  5. This paper uses " virtual neutral point method " to measure the " zero crossing ", then the soft deal " zero crossing " to get the six key position to commutate

    本文採用虛擬中點的方法來識別反電勢過零點，然後對過零點進行處理得到無刷電機換向的六個關鍵位置。
  6. A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike

    針對傳統（半橋）三電平直流變換器的一些不足，本文提出一種倍流整流方式pwm零電壓開關三電平直流變換器，可以使開關管在全負載范圍內實現零電壓開關，副邊整流二極體無電壓尖峰，無占空比丟失。
  7. In order to drive a high impedance load such as hpm sources, it is necessary to commutate fcg ' s long pulse width, high - current and low voltage pulse to a short pulse with high voltage

    為用fcg驅動象hpm源這樣較高阻抗的負載，必須使用脈沖功率調制電路把fcg產生的低電壓、大電流、上升時間長的電壓脈沖轉化為高電壓、上升時間短的脈沖。
  8. In the system, control unit accomplishes back - emf zero - crossing information reading and closed loop commutation. the system eliminates the pwm interferences and the commutating interferences by filtering with software algorithm. in order to make the bldc commutate exactly, the method of three - point estimation is used for phase locking in the system. the system also accomplishes several important objects, such as tmppt of photovoltaic arrays, unmanned supervision of the system, fault detection etc. the results of the experiment show that the device, which is made on the base of the principle above, can control the motor to complete the exact commutation

    系統以motorola單片機jl3為核心，完成了系統外圍硬體電路和控制軟體設計，實現了直流無刷電機反電勢過零檢測，利用軟體濾波的方式消除了pwm波干擾及換相干擾；採用三點預估演算法，進行相位鎖定，以完成直流無刷電機準確換相；同時實現了光伏陣列工作點的tmppt跟蹤、系統無人監控和故障檢測等功能。
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