Sensitive Earth Fault Protection Settings - NR Electric PCS-9611 Instruction Manual

7 Settings
10 50/51Q2.TMS
11 50/51Q2.tmin
12 50/51Q2.K
13 50/51Q2.C
14 50/51Q2.Alpha

7.3.4 Sensitive Earth Fault Protection Settings

The sensitive earth fault protection settings (in the submenu "SEF Settings") are used to
determine the characteristic of the sensitive earth fault protection.
All the settings of the sensitive earth fault protection are listed in the following table.
No. Menu text
1 50/51SEF.RCA
2 50/51SEF.En_VTS_Blk
3 50/51SEF1.3I0_Set
4 50/51SEF1.t_Op
5 50/51SEF1.Opt_Dir
6 50/51SEF1.En
7 50/51SEF1.OutMap
8 50/51SEF2.3I0_Set
9 50/51SEF2.t_Op
10 50/51SEF2.Opt_Dir
11 50/51SEF2.En
12 50/51SEF2.OutMap
7-12
The time multiplier setting of the negative
sequence IDMT o vercurrent protection
The minimum operation time setting of the
negative sequence IDMT overcurrent protection
Constant "k" for the negative sequence IDMT
overcurrent protection, see Section 3.7.2
Constant "C" for the negative sequence IDMT
overcurrent protection, see Section 3.7.2
Constant "α" for the negative sequence IDMT
overcurrent protection, see Section 3.7.2
Explanation
The relay characteristic angle for the directional
sensitive earth fault protection
The logic setting of the function which blocks the
SEF protection related voltage measurement
when the voltage transformer is failed
The current setting of the stage 1 sensitive earth
fault protection
The time setting of the stage 1 sensitive earth
fault protection
The setting is used to select the directional mode
for the stage 1 SEF protection, see Section 3.6.3
The logic setting of the stage 1 sensitive earth
fault protection
The output matrix setting of the stage 1 sensitive
earth fault protection
The current setting of the stage 2 sensitive earth
fault protection
The time setting of the stage 2 sensitive earth
fault protection
The setting is used to select the directional mode
for the stage 2 SEF protection, see Section 3.6.3
The logic setting of the stage 2 sensitive earth
fault protection
The output matrix setting of the stage 2 sensitive
earth fault protection
Date: 2014-04-08
0.05~100.0 0.001
0~100s 0.001s
0.001~120.0 0.0001
0.00~1.00 0.0001
0.01~3.00 0.0001
Range Step
-180° ~179° 1°
0~1 1
0.005~1.0A 0.001A
0~100s 0.001s
0~2 1
0~1 1
0x00000 ~
1
0xFFFFF
0.005~1.0A 0.001A
0~100s 0.001s
0~2 1
0~1 1
0x00000 ~
1
0xFFFFF
PCS-9611 Feeder Relay