一种基于功率放大器的恒流源设计  

Design of a Constant Current Source Based on the Power Amplifier

作　　者：王珏[1] 

机构地区：[1]中国矿业大学信息与电气工程学院,江苏徐州221008

出　　处：《电源技术应用》2011年第3期38-41,共4页Power Supply Technologles and Applications

摘　　要：本文设计了一种用于断路器可靠性试验检测的大功率交流恒流源。该恒流源基于AT89C51为核心的控制系统,并在PID控制理论下能够输出精确的交流电流。本设计具有速度快、精度高、实用性强等特点。This paper presents a high power AC current source for testing the reliability of circuit breakers. The constant current source based on AT89C51 as the core control system, and under the PID control theory can output accurate alternating current. The design has features of high speed, high precision and strong practicability.

关 键 词：恒流源 检测 PID控制 

分 类 号：TN86[电子电信—信息与通信工程]