未来的牵引传动系统可能直接与电网相连，无需该类变压器。
Future traction drives may operate directly from the mains without this transformer.
研究了无速度传感器控制技术在大功率电力牵引传动系统中应用问题。
The problems concerning speed sensorless control in high-power electric traction drives was studied.
负阻抗会引起地铁车辆牵引变流器直流侧电压、电流振荡，降低牵引传动系统稳定性。
Negative impedances lead to DC-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.
从主电路设计和牵引、制动设计几方面介绍了城轨车电传动系统的技术方案设计。
Described are the design of the technical scheme of electric transmission system for urban rail cars from such aspects as main circuit design, traction and braking design.
在垂直循环停车设备中，动力装置带动链传动系统运行，再经链条外伸件牵引存车托架循环运动，完成存、取车辆作业。
In the vertical circulating parking equipment, the power device drives the chain transmission system , and the latter pulls the cages to circulate through the chain extension components.
因此，本文将从考虑传动系统及机电耦合的角度，对高速列车牵引制动控制及其动力学特性进行深入的研究。
Therefore, this article will study the dynamics and control strategy of vehicle traction and braking systematically by considering the transmission system and the electromechanical coupling relations.
地铁主传动系统由牵引逆变器、微机控制驱动装置、牵引电动机等部件组成。
The devices of the main driver system in subway mainly consist of traction inverter, driver equipment with micro-computer control and traction motor.
放线架、各段绞笼体、线模座、计米装置、双轮牵引装置、收排线架、传动系统和电控系统。
Pay-off strand, stranding cartage, compact die stand, counter meter, double draught wheels, take up and traverse device, mechanical transmission system and electrical control system.
放线架、各段绞笼体、线模座、计米装置、双轮牵引装置、收排线架、传动系统和电控系统。
Pay-off strand, stranding cartage, compact die stand, counter meter, double draught wheels, take up and traverse device, mechanical transmission system and electrical control system.
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