摘要
运用三角函数变换的方法,提出了一种新颖的与计算有功功率相似的电网无功功率的离散化实时算法。用电压、电流、基波频率量快速、准确地计算出无功功率,适用于实时性要求高的无功测量仪表与无功补偿系统。定量分析了此算法存在的理论误差,讨论了电压与电流相乘时的间隔时间对误差的影响,给出了此算法的实现程序。
Based on the conversion of trigonometric function,a novel real-time algorithm of reactive power similar to that of active power is presented,which reactive power is speed-ily and accurately measured by the voltage,current and frequency.Its error is accurately analyzed by the formula.The program of the algorithm is given.
出处
《电测与仪表》
北大核心
2003年第3期9-11,共3页
Electrical Measurement & Instrumentation
关键词
三角函数变换
无功功率
有功功率
实时算法
the conversion of trigonometric function
reactive power
active power
real-time algorithm
