摘要:本应用笔记介绍了如何使用电流互感器(CT )与Teridian公司的78M661x测量系统中的能量测量IC的家庭。讨论以下主题:电流互感器的背景;负担电阻的选择;相位误差和补偿;选择电流互感器;系统校准和测量结果。一个设计实例包括逐项设计过程。校准考虑和性能测试数据如下。 Using Current Transformers
with the 78M661x
A Maxim Integrated Products Brand
APPLICATION NOTE
AN_661x_021 April 2010
Introduction
This application note describes using current transformers (CT) with the Teridian 78M661x family in a
measurement system. The following topics are discussed:
Current Transformer Background
Burden Resistor Selection
Phase Error and Compensation
Selecting a Current Transformer
System Calibration
Measurement Results
A design……