大型发电机微机保护装置数据采集与计算精度探讨

Study on Data Acquisition and Computational Accuracy of Digital Protection for Large Synchronous Generators

分析大型发电机定子非接地不对称故障和接地故障微机保护方案对数据采集精度和计算精度的要求，并对提高采集精度和计算精度的措施进行探讨。

This paper analyzes the influence of data acquisition and computational accuracy of protection schemes under stator asymmetric fault as well as earth fault. The measures for improving data acquisition and computational accuracy are also discussed.