power control valve

According to the original design of control valve of steam turbine provided by manufacturers and the cold functional test and feedback of power plant, three-dimensional flow field of control valve of two different methods of steam-entering was numerically simulated with actual parameters.

依据厂方提供的汽轮机调节阀原始设计和冷态试验数据以及电厂的运行反馈信息，对2种不同进汽方式的调节阀在全工况运行参数下进行了三维流场特性的数值模拟。

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Hydraulic station: It provides control and power source for positioning and clamping of the tested valve.

液压站: 提供定位、夹紧被校验阀门的控制和动力源.

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The electronic controller of automotive anti-lock brake system, including the power supply, the CPU, the wheel speed signal processing and the solenoid valve control circuit, are designed and developed.

设计开发了防抱制动系统的电子控制器，包括电源、CPU、轮速传感器信号处理以及电磁阀控制电路。

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This paper analyses the characteristics of power steering control valves including both fypes of sliding and rotary valve for example, their flow vs pressure, flow vs displacement, pressure vs displacement and steering foree characteristic, ere. The comparison of both valve types is also given.

分析了切向滑阀式和轴向转阀式动力转向器控制阀的流量压力、流量位移、压力位移和操舵力特性，并对两种控制阀进行了比较。

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The paper describes a practical example of refitting the butterfly valve control system with PLC at the exit of a Guangzhou Zhujiang Power Plant's circulation pump, accompanied by an analytical explanation of the system's particularities and results obtained, together with a summary of experiences acquired.

介绍广州珠江电厂采用PLC对循环水泵出口蝶阀控制系统进行改造的实例，并从改造方案到控制系统特点、控制效果等方面加以分析，总结改造的经验。

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The first 300 MW CFB boiler in Sichuan Baima Demonstration Power Plant introduced from ALSTOM, France, adopts the cone valve of external bed for bed temperature control.

白马示范电站从法国ALSTOM公司引进的国内首台300MW CFB锅炉机组，其床温利用外置床灰控阀进行控制。

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Both units ( 2X300MW) of one power plant in India, designed and constructed by China, employ feedwater system composed of three 50% capacity motor driven feedwater pumps, one low load feedwater control valve and one main motor-operated-valve.

由我国承建的印度某电厂两台300MW发电机组，其给水系统设三台电动调速给水泵、一个低负荷给水调节阀（用于低负荷水位控制）和一个电动主闸阀。

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Analysis and research on cavitation of control valve for power station

电站调节阀汽蚀现象的分析与研究

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The conveyer belt adopts the CST step driver control, and the realization of the soft-startup and power balance depends on the proportional valve and control system.

带式输送机采用CST多级驱动控制，通过比例阀及控制系统实现软起动与功率平衡。

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The hardware of AMT control system design was described, including the main control module, the sensor signal processing module, the magnetic valve drive module, power module and communication module.

介绍了AMT控制系统硬件设计方案，包括主控模块、传感器信号处理模块、电磁阀驱动模块、电源模块和通讯模块的设计思路和设计结果。

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