Recording Function; Fault Recording; Date And Time Occurrence; Trip Mode - Toshiba GRE110 Instruction Manual

3.3.7 Setting
The setting elements necessary for the automatic supervision and their setting ranges are shown in
the table below.
Element
[SVCNT]
[TCSPEN]
[CBSMEN]
[TCAEN]
[∑I AEN]
y
[OPTAEN]
TCALM
ALM
∑I
y
YVALUE
OPTALM
The scheme switch [SVCNT] is set in the "Application" sub-menu. Other scheme switches are set
in the "Scheme sw" sub-menu.

3.4 Recording Function

The GRE110 is provided with the following recording functions:

Fault recording

Event recording
Disturbance recording
These records are displayed on the LCD of the relay front panel or on the local or remote PC.
3.4.1 Fault Recording
Fault recording is started by a tripping command of the GRE110 and the following items are
recorded for one fault:
Date and time

Trip mode

Faulted phase
Power system quantities
Up to the 4 most-recent faults are stored as fault records. If a new fault occurs when 4 faults have
been stored, the record of the oldest fault is deleted and the record of the latest fault is then stored.

Date and time occurrence

This is the time at which a tripping command has been initiated.
The time resolution is 1 ms using the relay internal clock.
Trip mode
This shows the protection scheme that output the tripping command.
Range Step
ALM&BLK / ALM
OFF/ON/OPT-ON
OFF/ON
OFF/ON
OFF/ON
OFF/ON
1 - 10000 1
10 – 10000 E6 E6
1.0 – 2.0 0.1
100 – 5000 ms 10 ms
 75 
Default Remarks
ALM&BLK Alarming and blocking or alarming only
OFF Trip circuit supervision
OFF CB state monitoring
OFF Trip count alarm
OFF
count alarm
∑I
y
OFF Operate time alarm
10000 Trip count alarm threshold setting
10000
alarm threshold setting
∑I
y
2.0 y value setting
1000 ms Operate time alarm threshold setting
6 F 2 T 0 1 7 2