PT二次线路压降自适应补偿装置的研制

A Study on Self-adaptive Compensating Equipment of Secondary Voltage Drop of Potential Transformers

分析了电压互感器(PT)二次线路压降产生的原因及特点,设计了PT二次线路压降自适应补偿装置,利用单片机的智能控制作用,实时跟踪PT二次线路压降的变化,实现动态补偿和阻抗匹配,达到合理计量电能的标准.模拟实验和现场测试的结果均表明:此装置的补偿效果显著,具有广阔的应用前景.

Through analyzing the reasons and the characteristics of the voltage drop of the potential transformer （PT）＇s secondary circuit,this paper designs the self-adaptive compensating equipment for the voltage drop of the PT＇s secondary circuit. Making use of intellectual controlling way of single chip microprocessor,and following the changes of the secondary circuit voltage drop of potential transformer at real time ,this equipment realizes dynamic compensation and impedance matching, which meets the standards of reasonable electricity measurement. The results of both simulation and spot experiments prove the vast vistas for the application of this equipment.