11.4.9.11
Verifying the external start signal has timed out
GUID-754108D4-E440-4F8F-917B-04579EC1C2C7 v1
1.
Set
StartMode
=
FollowStart
.
2.
Set
FunctionMode
=
Current
.
3.
Use default value for
tStartTimeout
= 1.0 s.
4.
Use default value for time delay backup trip
t2
= 0.150 s.
5.
Leave the inputs for CB close inactivated. These signals should not influence.
6.
Apply START signal, and after 1.5 s apply the current above the set
IPh>
value.
7.
Check that STALARM signal is set after 1.0 s and backup trip is blocked.
11.4.9.12
Verifying that backup signal is released when STALARM is reset
GUID-49CA34B6-5AE9-4E45-9F4E-33DA5F626209 v1
1.
Set
StartMode
=
FollowStart
.
2.
Set
FunctionMode
=
Current
.
3.
Use default value for
tStartTimeout
= 1.0 s.
4.
Use default value for time delay backup trip
t2
= 0.150 s.
5.
Leave the inputs for CB close inactivated. These signals should not influence.
6.
Apply START signal at t=0s, and after 1.5 s apply the current above the set
IPh>
value.
7.
Check that STALARM signal is set after 1.0s and backup trip is blocked.
8.
Reset START signal after 3.5s, ensure that STALARM reset immediately.
9.
Set START after 3.6s, ensure that backup trip is set after
t2
backup trip delay has expired
(3.750 s).
11.4.9.13
Test of FollowStart&Mode behaviour
GUID-D68675FC-2533-4D6F-A26B-E1611FB7B32A v1
1.
Set
StartMode
=
FollowStart&Mode
.
2.
Set
FunctionMode
=
Current
.
3.
Set
RetripMode
=
UseFunctionMode
.
4.
Use default value for
tStartTimeout
= 1.0 s.
5.
Use default value for time delay backup trip
t2
= 0.150 s.
6.
Use default value for time delay re-trip
t1
= 0.000 s.
7.
Leave the inputs for CB close inactivated. These signals should not influence.
8.
Apply START signal, and after 0.200 s apply the current above the set
IPh>
value.
9.
Check that STALARM does not come and that re-trip TRRET is instantly set at 0.200s while the
backup trip TRBU set only when
t2
expires at 0.200 + 0.150s.
11.4.9.14
Test of FollowStart behaviour
GUID-E3FFFAD0-C9E9-4EAF-8418-314E9D475EDA v1
1.
Set
StartMode
=
FollowStart
.
2.
Set
FunctionMode
=
Current
.
3.
Set
RetripMode
=
UseFunctionMode
.
4.
Use default value for
tStartTimeout
= 1.0 s.
5.
Use for example the default value for time delay backup trip
t2
= 0.150 s.
6.
Use for example the default value for time delay retrip
t1
= 0.000 s.
7.
Leave the inputs for CB close inactivated. These signals should not influence.
8.
Apply START signal, and after 0.200 s apply the current above the set
IPh>
value.
9.
Check that STALARM does not come and that both re-trip TRRET and backup trip TRBU
comes instantly at 0.200 s (that is, as soon as current is given to the function).
11.4.9.15
Completing the test
M12104-72 v5
Continue to test another function or end the test by changing the
TESTMODE
setting to
Off
. Restore
connections and settings to the original values, if changed for testing purposes.
1MRK 511 403-UEN Rev. L
Section 11
Testing functionality by secondary injection
Bay control REC670
103
Commissioning manual
© 2017 - 2022 Hitachi Energy. All rights reserved
Содержание REC670
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