11.5.4.1
Function revision history
GUID-04679E4E-E0D2-4BA6-A002-4020E52DB973 v1
Document
revision
Product
revision
History
A
2.2.1
-
B
2.2.1
-
C
2.2.2
-
D
2.2.3
-
E
2.2.3
-
F
2.2.4
-
J
2.2.4
-
K
2.2.5
-
11.5.4.2
Check of undervoltage levels
SEMOD175258-71 v2
This test is relevant if the setting
BlkDiffAtULow
=
Yes
.
Check of U1Low
SEMOD175258-75 v3
Procedure
1.
Connect voltages to the IED according to valid connection diagram and figure
2.
Apply voltage higher than the highest set value of
UDTrip
,
U1Low
and
U2Low
to the U1 three-
phase inputs and to one phase of the U2 inputs according to figure
The voltage differential START signal is set.
Section 11
1MRK 511 403-UEN Rev. L
Testing functionality by secondary injection
124
Bay control REC670
Commissioning manual
© 2017 - 2022 Hitachi Energy. All rights reserved
Содержание REC670
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