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C代码接口在频率变化时交流采样中的应用
引用本文:钱克昌,赵锦成.C代码接口在频率变化时交流采样中的应用[J].移动电源与车辆,2007(1):8-12.
作者姓名:钱克昌  赵锦成
作者单位:军械工程学院,电力工程教研室,河北,石家庄,050003
摘    要:电力系统交流参数计算中常采用的算法是均方根法,但在信号频率变化时会产生较大误差。分析了引起误差的原因,并在基于LabVIEW的交流采样系统中,提出了改进算法,并利用LabVIEW下C语言代码接口技术较好的解决了这个问题。

关 键 词:均方根
文章编号:1003-4250-(2007)01-0008-05
修稿时间:2006-10-10

The use of CIN in AC sampling when frequency is unsteady
QIAN Ke-chang,ZHAO Jin-cheng.The use of CIN in AC sampling when frequency is unsteady[J].Movable Power Station & Vehicle,2007(1):8-12.
Authors:QIAN Ke-chang  ZHAO Jin-cheng
Institution:Department of Electric Engineering of Ordnance Engineering College, Hebei Prov. ,Shijiazhuang 050003, China
Abstract:Mean square root method is often used in AC sampling computing of power system.However,considerable errors will occur when system frequency is changing.The paper analyses the factors which cause the errors,proposes an improved computing method based on LabVIEW in AC sampling computing of power system,and solved the problem preferably by calling C in LabVIEW.
Keywords:LabVIEW  CIN
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