| 摘要 |
<P>PROBLEM TO BE SOLVED: To simplify the verification work by simplifying the configuration of a digital protection control apparatus. <P>SOLUTION: A digital protection control apparatus includes: a signal input means 1d for capturing a plurality of analog AC electrical quantities of a power system sequentially through an input converter 1a, respectively, and performing digital conversion and digital filtering; a signal processing means 1e for generating a plurality of determination object data which are preset based on a plurality of digital AC electrical quantities that are output from the signal input means 1d to output the plurality of determination object data thus generated at a predetermined period from the signal processing means 1e; and a sequence means 1g having various sequence processing for selecting preset determination object data among a plurality of determination object data that is periodically output from the signal processing means 1e, and comparing the selected determination object data with a setting value to generate a protection relay output. <P>COPYRIGHT: (C)2010,JPO&INPIT |
