7.3.4
Input and output signals
Table 195:
EFPIOC (50N) Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Three phase currents
BLOCK
BOOLEAN
0
Block of function
BLKAR
BOOLEAN
0
Block from auto recloser
MULTPU
BOOLEAN
0
Enable current multiplier
Table 196:
EFPIOC (50N) Output signals
Name
Type
Description
TRIP
BOOLEAN
Trip signal
7.3.5
Setting parameters
Table 197:
EFPIOC (50N) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Disable/Enable Operation
IBase
1 - 99999
A
1
3000
Base current
Pickup
1 - 2500
%IB
1
200
Operate residual current level in % of IBase
Table 198:
EFPIOC (50N) Group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
MultPU
0.5 - 5.0
-
0.1
1.0
Multiplier for operate current level
7.3.6
Technical data
Table 199:
EFPIOC (50N) technical data
Function
Range or value
Accuracy
Operate current
(1-2500)% of lBase
±
1.0% of I
n
at I
£
I
n
±
1.0% of I at I > I
n
Reset ratio
> 95%
-
Operate time
25 ms typically at 0 to 2 x I
set
-
Reset time
25 ms typically at 2 to 0 x I
set
-
Table continues on next page
Section 7
1MRK505222-UUS C
Current protection
398
Technical reference manual
Summary of Contents for Relion 670 series
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