Introduces the principle of zero-flux, and discusses the design method of the 100A DC current measures transducer. At last, discusses the application of Zero-Flux in DC current standard.

• 摘要介绍零磁通电流检测原理，探讨100A直流电流测量用传感器的设计方法，对该传感器在高精度直流电流标准源中的应用进行论述。