Toshiba GR200 Series Instruction Manual page 1534

Line differential protection ied
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ZS, ZG test (ZS-Test.CTRL, ZS-Offset.CTRL, ZS/ZG-Test.XAngle)
(vii)
ZS-Test.CTRL
Setting [ZS-Test.CTRL]=On allows not to operate Zmin feature. For more information about
the Zmin, see Chapter
ZS-Offset.CTRL
Setting [ZS-Offset.CTRL]=Non-Offset allows not to operate offset feature during the test.
ZS-Test.XAngle, ZG-Test.XAngle
Setting [ZS-Test.XAngle]=On allows to take fixed knee characteristic during the test.
Thermal overload function test (THM-Test, THM-IP)
(viii)
Setting [THM-Test]=On allows to have a test value for the pre-load current (Ip). The Ip value
is discussed in Chapter
SOTF test (SOTF-Test)
(ix)
Setting [SOTF-Test]=On allows to generate the cold load condition mandatorily for testing,
which is discussed in Chapter
STUB test (STUB-Test)
(x)
Setting [STUB-Test]=On allows to have an test STUB-OC operation in Stub protection area.
Relay application: Stub protection with overcurrent relay
See Chapter
Under voltage test (UV,UVS-Test)
(xi)
Settings [UV-Test] and [UVS-Test]=On is not to operate UV and UVS blocking elements for
Relay application: Phase
testing. See Chapter
ARC shot number test (SHOTNUM-Test)
(xii)
Setting [SHOTNUM-Test] is provided so that the user can have the preferred shot number for
the ARC test, which is discussed in Chapter
Relay application: Distance protection
Relay application: Thermal overload function
Relay application: Switch on to fault
Relay application: Autoreclose
- 1511 -
.
.
Phase-to-phase under-voltage protection
or
6F2S1914 (0.49)
.
.
.
.
GRL200 (Soft 033 & 037)

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