traction ratio 中文意思是什麼

traction ratio 解釋
曳引比
  • traction : n 拖曳，拖拉，牽引；牽引力；〈比喻〉吸力，魅力；【醫學】（對于肌肉等的）牽引（術）；〈美國〉市內...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前，牽引變壓器通常採用差動保護作為主保護，但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障，如故障電流與變壓器處于勵磁涌流、過勵磁， ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分，可能造成保護誤動或拒動，從而危及整個鐵道電氣化系統的安全運行。
  2. With the rapid development of aero science, it requires the aero engine ratio of traction to weight is higher and higher

    隨著航空科技的飛速發展，要求提供推重比越來越高的航空動力。
  3. The traction motor drives through a constant ratio reduction gearbox to the standard rear axle which is the sole means of driving the rear wheels of the trolleybus

    無軌電車的動力馬達經由一恆比降速波箱，標準的巴士尾輪軸推動尾輪。
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