NR Electric PCS-9611, Instruction Manual

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7 Settings
PCS-9611 Feeder Relay
7-13
Date: 2014-04-08
13 50/51SEF3.3I0_Set
The current setting of the stage 3 sensitive earth
fault protection
0.005~1.0A 0.001A
14 50/51SEF3.t_Op
The time setting of the stage 3 sensitive earth
fault protection
0~100s 0.001s
15 50/51SEF3.Opt_Dir
The setting is used to select the directional mode
for the stage 3 SEF protection, see Section 3.6.3
0~2 1
16 50/51SEF3.En
The logic setting of the stage 3 sensitive earth
fault protection
0~1 1
17 50/51SEF3.OutMap
The output matrix setting of the stage 3 sensitive
earth fault protection
0x00000 ~
0xFFFFF
1
18 50/51SEF4.3I0_Set
The current setting of the stage 4 sensitive earth
fault protection
0.005~1.0A 0.001A
19 50/51SEF4.t_Op
The time setting of the stage 4 sensitive earth
fault protection
0~100s 0.001s
20 50/51SEF4.Opt_Dir
The setting is used to select the directional mode
for the stage 4 SEF protection, see Section 3.6.3
0~2 1
21 50/51SEF4.En
The logic setting of the stage 4 sensitive earth
fault protection
0~1 1
22 50/51SEF4.OutMap
The output matrix setting of the stage 4 sensitive
earth fault protection
0x00000 ~
0xFFFFF
1
23 50/51SEF4.Opt_Curve
The setting is for selecting the inverse time
characteristic curve for SEF4 protection
0~13 1
24 50/51SEF4.TMS
The time multiplier setting of the IDMT sensitive
earth fault protection
0.05~100.0 0.001
25 50/51SEF4.tmin
The minimum operation time setting of the IDMT
sensitive earth fault protection
0~100s 0.001s
26 50/51SEF4.K
Constant
“k” for the IDMT sensitive earth fault
protection, see Section 3.6.2
0.001~120.0 0.0001
27 50/51SEF4.C
Constant
“C” for the IDMT sensitive earth fault
protection, see Section 3.6.2
0.00~1.00 0.0001
28 50/51SEF4.Alpha
Constant
“α” for the IDMT sensitive earth fault
protection, see Section 3.6.2
0.01~3.00 0.0001
NOTE!
1. The setting [50/51SEFx.Opt_Dir] (x: 1~4) is used to select the directional mode for the stage
x (x: 1~4) sensitive earth fault protection respectively.
“0” is the non-directional mode; “1” is
the forward directional mode; and
“2” is the reverse directional mode.
7.3.5 Breaker Failure Protection Settings
The breaker failure protection settings (in the submenu
“
BFP Settings
”) are used to determine the
characteristic of the breaker failure protection.
All the settings of the breaker failure protection are listed in the following table.