en06000653_ansi.vsd
INNonDirPU
UN_PU
OpMODE=INcosPhi
Pickup_N
INCosPhiPU
OpMODE=INVNCosPhi
INVNCosPhiPU
Phi in RCA +- ROA
OpMODE=IN and Phi
DirMode = Forw
Forw
DirMode = Rev
Rev
PUNDIN
TRNDIN
PUVN
TRVN
AND
AND
AND
OR AND
AND
AND
OR
PUDIRIN
PUFW
PUREV
0 - t
0 - t
0
0
TimeChar = DefTime
TRDIRIN
AND
SN
t
TimeChar = InvTime
AND
ANSI06000653 V1 EN-US
Figure 271: Simplified logical diagram of the sensitive ground fault current protection
8.6.8 Technical data
SEMOD173352-1 v1
SEMOD173350-2 v13
Table 249: SDEPSDE (67N) technical data
Function Range or value Accuracy
Trip level for 3I
0
·cosj
directional residual
overcurrent
(0.25-200.00)% of
lBase
±1.0% of I
n
at I £ I
n
±1.0% of I at I > I
n
Trip level for 3I0·3V
0
·cosj
directional residual power
(0.25-200.00)% of
SBase
±1.0% of S
n
at S £ S
n
±1.0% of S at S > S
n
Trip level for 3I
0
and j
residual overcurrent
(0.25-200.00)% of
lBase
±1.0% of I
n
at £ I
n
±1.0% of I at I > I
n
Trip level for non-
directional overcurrent
(1.00-400.00)% of
lBase
±1.0% of I
n
at I £ I
n
±1.0% of I at I > I
n
Table continues on next page
Section 8 1MRK 502 066-UUS B
Current protection
516
Technical manual
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