voltage-current transducer

The paper analyzes drawbacks of control system of blade coal feeders of Baoding Thermoelectric Plant. With transducer technique, PLC technique and low voltage power line carrier technique, we improve on controller unit for coal transmission system of Baoding Thermoelectric Plant.

本课题对保定热电厂叶轮给煤机控制系统状况进行了分析，采用变频调速、PLC可编程控制器编程、低压电力线载波技术对叶轮给煤机控制系统进行改造。

We find that the waveform and the pulse width of the ultrasonic pulse are determined by the thickness of the PVDF piezoelectric film transducer, the falling time of the step-function voltage, the transducer backing and the shape of the acoustic propagation medium.

实验结果表明，声脉冲的波形和脉冲宽度取决于PVDF压电膜的厚度，阶跃电压的下降沿宽度，以及背衬材料和声传播媒质的形状等多个因素。

The error pickoff is an angle-to-voltage transducer.

误差检测器是把角度转换为电压的传感器.

This paper constructs the mathematical model of the output voltage with water height and water temperature of wave height transducer, through research and experimental testing.

通过对波高传感器的实验测试和研究，建立了波高传感器的输出电压与水深及水温的数学模型。

This thesis presents the design and implementation voltage vector-controlled induction motor drive without any shaft transducer.

本论文的目的为设计与制作不用测速计之交流感应马达转速控制系统.