ZD124直流牽引電動機 ZD124 D.C TRACTION MOTOR

　　ZD124直流牽引電動機采用抱軸半剛性懸掛方式安裝在機車轉向架上。其機構特點是：鋼板焊接抱軸承機座，H級絕緣電樞、換向器端、傳動端軸承蓋留有軸承溫度傳感器安裝孔。是ZD109B結構改進型產品。通用ZD109電樞鐵心、主附極線圈。主要用于改進型東風5和DF7G機車上。

　　ZD124 D.C. Traction Motor is mounted on the locomotive bodie through holding-axis semirigid suspension method. Frame is welded fabrication and hugging bearing. Armature is H class insulation, there are holes for monuting bearing temperature sensors on commutator end and driving end bearing covers. It is improved type of ZD109B. It uses armature core, Main pole coil and commutating pole coil of ZD109. This type motor is mainly used in Dongfeng D5 diesel locomotive and Dongfeng 7G diesel locomotive.

　　主要技術參數：

　　● 額定功率（Rated Power）：530KW

　　● 額定電壓（Rated Voltage）: 670V/980V

　　● 額定電流（Rated Current）: 845A/575A

　　● 額定轉速（Rated Speed）: 770r/min

　　● 額定效率（Rated Efficiency）: 93%

　　● 最大轉速（Max Speed）: 2385 r/min

　　● 最大恒功率轉速（Max Speed at Constant Power）: 2190 r/min

　　● 最大電流（Max Current）: 1200A

　　● 工作制（Duty）: s1

　　● 絕緣等級（Insulation class ）: H/H

　　● 勵磁方式（Exciting Type）: 串勵 Serier-Wound

　　● 冷卻方式（Cooling Method）: 強迫通風 Forced Ventilation

　　● 重    量（Weight）: 2780kg