VAMP 52 - Page 108

2.23 Inverse time operation 2 Protection functions Technical description
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The operation time in this example will be 3.9 seconds. The
same result can be read from Figure 2.23.1-16.
Figure 2.23.1-15 Inverse delay of
type RI.
Figure 2.23.1-16 Inverse delay of
type RXIDG.