Title: AC voltage sampling method and system
Application Number: 200610062826 Application Date: 2006.09.26
Publication Number: 1928571 Publication Date: 2007.03.14
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01R19/25;H02H3/20;H02H3/24;H02J9/00
Applicant(s) Name: Huawei Technologies Co., Ltd. Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
    The disclosed ac voltage collection method comprises: A. collecting ac voltage; B. correcting data by correction coefficient; C. processing corrected data. The corresponding system includes an ac signal conversion module, an A/D conversion module, a data process module, and a protective and control module for system zero offset. This invention has well precision and accuracy.
Time: 11
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