8200-1312 WOODWARD 电液转换器

8200-1312是一种将电压或电流形式的信号转换为液体压力或流量信号的装置。在电液伺服系统中，它是连接电气和液压两种元件的桥梁，具有关键的作用。电液转换器能够将电气柜输出的综合电气信号转换成具有一定操作力和位移量的机械位移信号，或是转换成具有一定压力的流量信号。此外，它还能够将小电功率的电信号输入转换为大功率的液压能（流量与压力）或位移输出。

8200-1312的性能直接影响到整个电液伺服系统的稳定性、控制精度和响应特性，以及系统的可靠性和使用寿命。然而，由于油压装置的特性，电液转换器在控制过程中可能会出现突然暂停运转、线圈断线、油孔被污染物堵塞等问题。因此，研究和开发新型的、可靠性高、抗油污能力强的电液转换器具有重要的实际意义。

在8200-1312的具体应用中，例如汽轮机控制系统中，电液转换器可以将4-20MA信号转化为液压信号，并将其传输到动力油缸中，从而实现对汽轮机主汽阀的控制，包括控制汽轮机的开关器、速度等。此外，在电/液转换器中，其数学模型的推导对于理解和优化其性能也具有重要意义。

总的来说，8200-1312是一种重要的控制元件，其在各种工业控制系统中的应用日益广泛。然而，由于其工作环境的复杂性和特殊性，对其性能的优化和改进仍是一个重要的研究方向。

The 8200-1312 is a device that converts a signal in the form of voltage or current into a liquid pressure or flow signal. In the electro-hydraulic servo system, it is the bridge connecting the electrical and hydraulic components, and has a key role. The electro-hydraulic converter can convert the integrated electrical signal output by the electric cabinet into a mechanical displacement signal with a certain operating force and displacement, or into a flow signal with a certain pressure. In addition, it is capable of converting small electrical power electrical input into high-power hydraulic energy (flow and pressure) or displacement output.

The performance of the 8200-1312 directly affects the stability, control accuracy and response characteristics of the entire electro-hydraulic servo system, as well as the reliability and service life of the system. However, due to the characteristics of the oil pressure device, the electro-hydraulic converter may suddenly stop running, the coil is broken, and the oil hole is blocked by pollutants during the control process. Therefore, it is of great practical significance to research and develop new electro-hydraulic converters with high reliability and strong anti-oil capability.

In the specific application of 8200-1312, such as the turbine control system, the electro-hydraulic converter can convert the 4-20MA signal into a hydraulic signal and transmit it to the power cylinder, thus realizing the control of the main steam valve of the turbine, including the control of the turbine switch, speed, etc. In addition, in electrical/hydraulic converters, the derivation of their mathematical models is also of great significance for understanding and optimizing their performance.

In general, 8200-1312 is an important control element, which is increasingly used in various industrial control systems. However, due to the complexity and particularity of its working environment, the optimization and improvement of its performance is still an important research direction.
 

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