摘要
HDY- 12 5型恒电位仪利用逆变技术研制而成。主电路采用半桥式结构 ,场效应管作为功率开关元件 ,集成芯片 TL 494作为其控制电路的核心。该仪器质量小、效率高、噪音低 。
HDY 125 constant potential instrument is developed by using the inverter technology.The main circuit is a half bridge series inverter and MOSFET is used for its power switching devices.PWM chip TL494 is the nucleus of the control circuit.Its small volume and weight,high efficiency and low noise will make the instruments wide application in cathodic protection with best applied prospect.
出处
《石油仪器》
1997年第6期20-21,61,共2页
Petroleum Instruments
