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12.2.3
110
Synchrocheck and energizing check (SYN)
The settings are located in the local HMI under:
Settings/Functions/Group n (n=1-4)/SynchroCheck/SynchroCheck1
Test with UDiff = 0%
1.
Apply voltages U-line (UL1) = 80% U1b and U-Bus (U5) = 80% U1b.
2.
Check that the SYN1-AUTOOK and SYN1-MANOK outputs are acti-
vated.
3.
The test can be repeated with different voltage values to verify that
the function operates within UDiff <30%.
Test with UDiff = 40%
1.
Increase the U-bus (U5) to 120% U1b, and the U-line (UL1) = 80% U1b.
2.
Check that the two outputs are NOT activated.
Test with UDiff = 20%, Uline < UHigh
1.
Decrease the U-line (UL1) to 60% U1b and the U-bus (U5) to be equal
to 80% U1b.
2.
Check that the two outputs are NOT activated.
Test with URatio=0.20
1.
Run the tests under
UDiff =
40%"and
"Test with UDiff = 20%, Uline <
U-bus voltages 5 times lower.
Test with URatio=5.00
1.
Run the tests under
UDiff =
40%"and
"Test with UDiff = 20%, Uline <
U-line voltages 5 times lower.
Testing the phase difference
The phase difference is set at 45° on the HMI, and the test should verify that operation is
achieved when the PhaseDiff (phase difference) is lower than 45°.
Set these HMI settings:
procedures "Test with UDiff =
procedures "Test with UDiff =
Chapter 13
Verifying settings by secondary
0%",
"Test with
UHigh"but with
0%",
"Test with
UHigh"but with
injection
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