Display Under Abnormal Condition - NR Electric PCS-9611 Instruction Manual

Feeder relay
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98
79.Close_3PS2
99
79.Close_3PS3
100
79.Close_3PS4
101
MR1.St
102
MR1.Op
103
MR2.St
104
MR2.Op
105
MR3.St
106
MR3.Op
107
MR4.St
108
MR4.Op
109
50DZ.St
110
50DZ.Op
111
37.St
112
37.Op
Fault information listed below may be displayed.
No.
Fault Information
1
Ip_Max
2
3I0Cal_Max
3
3I0Ext1_Ma x
4
3I0Ext2_Ma x
5
3I0SEF_Max
6
I2/I1_Ma x
7
Upp_Min
8
Upp_Max
9
Up_Min
10
Up_Max
11
U2_Max
12
Ux_Ma x
13
Ux_Min
14
f_Ma x
15
f_Min
16
Fault_Location
17
Faulty_Phase
See Chapter 3 for more details about the protection operation theory.

8.3.2 Display under Abnormal Condition

8.3.2.1 Alarm Information on LCD
If there is any abnormality in the operation or any firmware error is detected by the self-diagnostics
of this relay, an alarm report will be displayed instantaneously on the LCD. Therefore, the default
display will be replaced by the alarm report. The format of the alarm report is shown as below.
PCS-9611 Feeder Relay
nd
The 2
shot auto-recloser operates.
rd
The 3
shot auto-recloser operates.
th
The 4
shot auto-recloser operates.
The No.1 mechanical protection picks up.
The No.1 mechanical protection operates.
The No.2 mechanical protection picks up.
The No.2 mechanical protection operates.
The No.3 mechanical protection picks up.
The No.3 mechanical protection operates.
The No.4 mechanical protection picks up.
The No.4 mechanical protection operates.
The dead zone protection picks up.
The dead zone protection operates.
The undercurrent protection picks up.
The undercurrent protection operates.
The maximum phase current
The maximum self-calculated zero sequence current
The No.1 maximum external zero sequence current
The No.2 maximum external zero sequence current
The maximum sensitive earth fault current
The maximum ratio of I2/I1
The minimum phase-to-phase voltage
The maximum phase-to-phase voltage
The minimum phase voltage
The maximum phase voltage
The maximum negative sequence voltage
The maximum synchro-check voltage
The minimum synchro-check voltage
The maximum system frequency
The minimum system frequency
The fault location result
The fault phase
Date: 2014-04-08
8 Human Machine Interface
Description
8-33

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