EDR-5000
IM02602007E
51V - Voltage Restraint Overcurrent
Application ANSI 51V
www.eaton.com
474
Name.TripCmd
Name.Pickup IA
Name.Pickup IB
Name.Pickup IC
Name.Trip
IH2.Blo Phase A
IH2.Blo Phase B
IH2.Blo Phase C
Please Refer to Diagram: Blockings**
51V Pickup =
%Pickup * 51P
Pickup
IA
IB
IC
Name.Pickup
Please Refer to Diagram:
Trip Blockings
Inactive
Active
Name.IH2 Blo
(Element is not deactivated and no active blocking signals .)
AND
AND
AND
Name.IH2 Blo*
Imax
(Tripping command deactivated or blocked . )
5
6
7
4
3
Please Refer to Diagram: IH2*
Please Refer to Diagram: IH2*
Please Refer to Diagram: IH2*
15a
24b
25b
26b
14
OR
OR
AND
AND
AND
AND
AND
φ
INV
Imax
Name.t-reset
Name.t-multiplier
Name.Curve Shape
Name.Reset Mode
Based on above parameters ,
tripping times and reset modes will
be calculated by the device .
51V[1]...[n]
Name =
51V[1]...[n]
*=
A
pp
lie
s o
nly
to
d
ev
ic
es
th
a
t o
ffe
r I
n
ru
sh
P
ro
te
ct
io
n
VA
VB
VC
φ
Pickup%
25%
100%
V
25%
VRestraint max
%Pickup
RMS
RMS
RMS
RMS
RMS
RMS
38a
Inactive
Name.LOP Blo
Active
AND
15
Phase to Ground
Name.Measuring Mode
Phase to Phase
**
*=
A
p
pli
es
o
n
ly
to
d
ev
ic
es
th
at
o
ffe
r D
ire
ct
io
n
al
F
ea
tu
re
.
Name.* I[1]...[n] Fault in Projected Direction
9
Please Refer to Diagram: Direction Decision Phase overcurrent***
