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Development of virtual instrument-based calibrator for electronic transformer
Author(s): 
Pages: 3075-3079
Year: Issue:  z1
Journal: East China Electric Power

Keyword:  virtual instrumentelectronic transformermerging unit;
Abstract: 介绍了基于虚拟仪器技术的电子式互感器校验仪的研制.互感器校验仪是用来校验电子式电压互感器和电子式电流互感器的设备.随着现代工业的发展,对于互感器校验仪的要求也逐渐提高.虚拟仪器技术是通过数据采集卡将测量得到的模拟信号转换为数字信号,然后用软件功能来实现基于工控机的电子互感器校验仪的各种功能.本系统采用的数据采集卡是美国NI公司生产的PCI-6221数据采集卡.还具体介绍了使用国际电工委员会标准IEC 60044-7/8和IEC 61850-9-2配合而成的合并单元与工控机之间的以太网通信方式的整个虚拟仪器校验系统的组成和系统原理.
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