功率因数表

用钳形功率因数表判断三相三线电能表错误接线的方法

A method for judgement error-wiring of three-phase and three-wire Watt-hour meter by using pincers power factor meter

数字式功率因数表

Digital Power Factor Meter

关于功率因数表误差基准值的探讨

Discussion on the Fiducial Value of Error for Power Facter Meter

本文主要介绍数字钳形功率因数表的设计原理以及实际电路的设计。

This paper presents design theory of digital clamp-shape power factors and applicable circuit .

数字钳形功率因数表的研制

Research of digital clamp-shape power factor table

讨论了用钳形功率因数表在线判断三相三线有功电能表48种接线方式的原理及方法。

The principle and method for judging 48 wiring modes of the three-phase and three-wire Watt-hour meter by using pincers power factor meter are discussed in this paper .

还配置有串行通信接口和CAN现场总线接口，可方便地与计算机或其它电力监控装置通信，该电力监控器可以代替多种电力测量仪表、功率因数表及负荷控制器等实现电力系统的远程监控功能。

It has both serial and CAN bus communication interface , which make it easy to communicate PC and other monitor equipment , so the power monitor can replace many kinds of power measure meters , power factor meter and burden controllers to perform the function of remote monitoring .

基于电流比较器的虚拟高压低功率因数瓦特表

A virtual reality high-voltage low-power-factor wattmeter based on current-comparator

低功率因数瓦特表应用的有关问题的探讨

Discussion on application of low power factor wattmeter

分析了以电流比较器为基础的虚拟高压低功率因数瓦特表的工作原理和电路，并讨论了其误差。

This paper presents principles , circuit design and error analysis of a virtual reality high-voltage low-power-factor wattmeter based on current-comparator .

本文介绍了CS5460A芯片的特点、工作原理及其在高精度工频电压、电流、功率、功率因数、频率表中的应用。

The paper introduces the technique feature and the operation principle of chip CS5460A , and its application in high-accuracy power frequency voltage , current , power , power factor , frequency meter .