SDA3 AC Transmission Diesel Locomotive
- 主要技术参数
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轨距（Rail Gauge）
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1000mm
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传动方式（Transmission）
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交-直-交流电传动（AC-DC-AC Electric Transmission）
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轴式(Axle Arrangement)
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Co - Co
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轮径（Normal Wheel Diameter）
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1067mm
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轴重（Axle Load）
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20t
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整备重量（Service Weight）
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120t
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柴油机装车功率（Operating Power）
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2800kW
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柴油机标定功率（Nominal Power）
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2380kW
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最大运用速度（Max. Operating Speed）
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100km/h
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持续速度(Continuous Speed)
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17.7km/h
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最大起动牵引力(Max. Starting Tractive Effort)
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460kN
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持续牵引力(Continuous Tractive Effort)
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360kN
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通过最小曲线半径(Min.Radius of Curvature Negotiated)
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130m
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燃油箱容量(Capacity of Fuel Tank)
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5500L
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车钩中心线距轨面高度(Coupler Center Height over the Track Surface)
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850mm
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机车外形尺寸（Overall Dimensions）
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20490X2850X4000mm
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SDA3型内燃机车是戚墅堰公司为满足泰国干线客、货运运输需求而专门研制的内燃机车，采用交-直-交电传动，轨距1000mm，装车功率2380kW，轴重20t，最大运行速度100km/h,采用内走廊双司机室结构，侧壁承载式车体，机车装用CAT C175-16型电喷柴油机、交流牵引系统、微机网络控制系统、辅机交流电传动系统、具有全功率自负荷试验功能的电阻制动系统、WABTEC 26-LA空气制动系统和三轴滚抱径向转向架，具有双机重联功能。
The SDA3 locomotive is specially developed and manufactured by CRRC Qishuyan Co., Ltd. for the transportation of passenger and freight using in Thailand mainline.The locomotive adopts AC-DC-AC electric transmission , and its gauge is 1000mm. The maximum service power is 2380kW. The axle load of the locomotive is 20t and the maximum speed is 100km/h. The locomotive adopts inner corridor and side wall bearing structure with double driver cabs. The locomotive is equipped with CAT C175-16 type diesel engine, AC traction system, computer logic control technique, WABTEC 26-LA air brake system. The bogie is three-axle radial bogie with rolling bearing axle-huge suspension. The locomotive has the function of double heading.