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Transcript
IG-Protection Module – Ground Fault [ANSI 50N/G, 51N/G, 67N/G]
ANSI VINV
Notice!
Various reset modes are available. Resetting via characteristic, delayed and
instantaneous.
Reset
t=
(
21.6
IG 2
)-1
IG>
*t-char [s]
t=
(
(
Trip
19.61
2
IG
-1
)
IG>
t [s]
+ 0.491
)
*t-char [s]
t-char
x * IG> (multiples of pickup)
EN MRA4 04/09
Page 295