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Translation Resources

Beijing and Shanghai Chinese Translation Service in The field of Plug braking control


6.5.1.4. DCU应安装在VVVF逆变器箱内，以减少DCU和IGBT门级驱动板之间的连线。
The DCU shall be installed in the cabinet of VVVF inverter, which is to reduce the connecting wires between DCU and IGBT gate control board.
6.5.1.5. DCU与IGBT门极驱动板之间触发脉冲和反馈信号的传输应通过光纤电缆连接，以加强绝缘和抗干扰能力。
To make sure insulation and anti interference capability, the trigger pulse and feedback signal between DCU and IGBT gate control board shall be transmitted by optical fibers.

华译网北京翻译公司翻译过大量有关反相制动控制的文件资料。
Beijing Mandarin Chinese Translation Service Company has translated many technical documents in the field of Plug braking control.

6.5.1.6. 卖方应对DCU 的硬件和软件进行说明，DCU的硬件和软件设计要求应满足有关的IEC标准。
The seller shall provide descriptions about the hardware and software of DCU, the design of which shall meet related IEC standards.
6.5.1.7. 卖方应提供控制原理图，并提供有关技术参数。
The seller shall provide the schematic diagram of control principles and related technical parameters.
6.5.1.8. DCU的各种电子印刷板应能在第一章所规定的广州环境要求（亚热带气候）下正常、安全、可靠的工作。
All electronic printing plates of DCU shall be reliable and safe in climatic condition of Guangzhou specified in chapter 1 (subtropical climate)
6.5.2. DCU的主要功能  Main functions of DCU
DCU应实现下列主要功能： The DCU shall have following main functions:
(1) 线性电动机控制  Linear motor control
(2) 牵引控制单元DCU将机车控制级加工的给定值和控制指令转换成VVVF逆变器用的控制信号，对VVVF逆变器和牵引电机进行控制，包括调节、保护、逆变器脉冲模式的产生等。
Control the VVVF inverter and traction motor by converting the control signals from locomotive to signals that can be used by VVVF inverter, such as adjusting, protecting and producing the impulse mode of inverter, etc.
(3) 对VVVF逆变器和牵引电机进行保护控制
Protect and control the VVVF inverter and traction motor;
(4) 电制动（ED-BRAKE）控制  Electric braking (ED-BRAKE)control
对电制动（ED-BRAKE）进行调整、保护、和逆变器脉冲模式的产生。
Adjust and protect the ED-BRAKE, produce the impulse mode of inverter
(5) 反相制动控制  Plug braking control
(6) 列车加减速冲击限制保护
Impact protection during acceleration and deceleration
(7) 通过列车总线网络实现DCU与其它控制单元的通信功能（在设计时必须提交具体的通信信号）
Realize the communication between DCU and other control units by bus system (specific communication signals must be provided during design)
(8) 故障诊断功能，要求能做到诊断到整个系统的最小可更换单元。
Fault diagnosis: be capable of conducting fault diagnosis to the minimum replaceable unit of whole system.

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