【摘要】 大电流、大电压的测量一直是困扰工程测量学的难题。本文着重探讨了霍尔效应应用于测量大电流的工作原理、数学推算以及应用中需要注意的几个问题。力图寻求将新技术用于工程测量中难点问题的理论依据更多还原

【Abstract】 Measuring the big-electric current and the big voltage is a difficult work in engineering measurement.This article has analysed the working principles and mathematical calculation of measuring the big-electric current with Hall Effect and focuses on some key points in practice.The end is to find theoretical basis for applying new technology to solving the problems in engineering measurement.更多还原