Digital Overcurrent & Ground Overvoltage & Selective Ground Relay (GDR-AEF01) User's Manual
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Kyongbo Electronics Co., Ltd.
All the changes to each category can be done as of the above example.
6.2.1
Measurement Screen
Measurement Screen displays the measured current value.
Measurement Screen has the following category.
I
a
:
2
.
4 5
A
I
c
:
2
.
4 5
A
V o
:
1 8 0
.
0
V
,
〈
0
.
0
º
I
o
:
4
.
9 9 m A
,
〈
0
.
5
º
Display the current, zero-sequence voltage, zero-sequence current, and phase angle for each
Ia and Ic phase (Except, Display as CT and PT 1st Side : 2nd Side Current and Voltage
multiplied by CT and PT Ratio)
Pressing
Key in the Measurement Screen will exit this menu and convert to the
upper menu.
6.2.2
Protection Setting
Protection Setting has categories to perform Time OCR, INST. OCR, Time OVGR,
INST. OVGR, and SGR protection function.
Select 2. Protection category in Setting, and the following screen appears.
－ 〉
P r o
t
e
c
t
i
o n
1
.
T i m e
O C R
2
.
I N S T
.
O C R
3
.
T i m e
O V G R
4
.
I N S T
.
O V G R
5
.
S G R
S e
t
Pressing
Key in the Protection Screen will exit this menu and convert to the
default screen of Setting.
6.2.2.1
Protection
▶
Time OCR Setting
It is a category to set the definite time overcurrent element, and selecting(
) 1.
Time OCR category in Protection will display the following screen.
