1.
Connect the analog signals to the voltage inputs, in pair of two for U1 and U2. (Inputs U3PBB1,
U3PBB2, U3PLN1, U3PLN2)
2.
Activate the binary signals according to the used alternative. Verify the measuring voltage on
the synchronizing check function SESRSYN. Normally it can be good to verify synchronizing
check with the same voltages and phase angles on both voltages. The voltages should be
verified to be available when selected and not available when another input is activated so
connect only one voltage transformer reference at each time.
3.
Record the voltage selection tests in a matrix table showing read values and AUTOSYOK/
MANSYOK signals to document the test performed.
Testing the voltage selection for 1 1/2 CB arrangements
GUID-12E7DA63-FE04-4C83-9BA6-34818C510DB8 v4
At test of the SESRSYN function for a 1½ CB diameter the following alternative voltage inputs can be
used for the three SESRSYN (SESRSYN 1, SESRSYN 2, SESRSYN 3) functions. These three
SESRSYN functions can either be in one, two or three different IEDs. Table
scenario when SESRSYN 1, SESRSYN 2 and SESRSYN 3 all are in the same IED. If SESRSYN 3 is
in another IED, WA1 will be considered as WA2 and LINE2 as LINE1. The voltage is selected by
activation of different inputs in the voltage selection logic as shown in table
Table 22:
Voltage selection logic
SESRSYN
CBConfig
setting
Section to
be
synchroniz
ed
Activated
B1QCLD
input on
IED from
Activated
B2QCLD
input on
IED from
Activated
LN1QCLD
input on
IED from
Activated
LN2QCLD
input on
IED from
Indication
from
SESRSYN
on IED
SESRSYN 1
(Operates on
WA1_QA1)
1 ½ bus CB
WA1 –
LINE1
LINE1_QB
9
B1SEL,
LN1SEL
WA1 –
LINE2
TIE_QA1
LINE2_QB
9
B1SEL,
LN2SEL
WA1 –
WA2
TIE_QA1
WA2_QA1
B1SEL,
B2SEL
SESRSYN 2
(Operates on
TIE_QA1)
Tie CB
LINE1 –
LINE2
LINE1_QB
9
LINE2_QB
9
LN1SEL,
LN2SEL
WA1 –
LINE2
WA1_QA1
LINE2_QB
9
B1SEL,
LN2SEL
WA2 –
LINE1
WA2_QA1
LINE1_QB
9
B2SEL,
LN1SEL
WA1 –
WA2
WA1_QA1
WA2_QA1
B1SEL,
B2SEL
SESRSYN 3
(Operates on
WA2_QA1)
1 ½ bus alt.
CB
(mirrored)
WA2 –
LINE2
LINE2_QB
9
B2SEL,
LN2SEL
WA2 –
LINE1
TIE_QA1
LINE1_QB
9
B2SEL,
LN1SEL
WA2 –
WA1
TIE_QA1
WA1_QA1
B1SEL,
B2SEL
1MRK 511 403-UEN Rev. L
Section 11
Testing functionality by secondary injection
Bay control REC670
163
Commissioning manual
© 2017 - 2022 Hitachi Energy. All rights reserved
Содержание REC670
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