Hitachi Relion 670 Series Commissioning Manual page 225

1MRK506371-UUS Rev. M
1. Activate the guard input signal (CR_GUARD) of the IED.
2. Using the scheme selected, check that a signal accelerated trip (TRIP) is obtained when the guard
signal is deactivated.
11.11.1.7 Completing the test
Continue to test another function or end the test by changing the TESTMODE setting to Disabled.
Restore connections and settings to the original values, if changed for testing purposes.
11.11.2 Phase segregated scheme communication logic for distance or
overcurrent protection ZPCPSCH (85)
Prepare the IED for verification of settings outlined in Section
Check the scheme logic during the secondary injection test of the impedance protection functions.
Activating of the different zones and phases verifies that the CS_x signal are issued from the intended
zones. The CS_x signal from the independent tripping zone must have a tSendMin minimum time.
Check the tripping function by activating the CRLx inputs with the overreaching zone used to achieve the
CACCLx signals.
It is sufficient to activate the zones with all types of fault with the secondary injection.
11.11.2.1 Function revision history
Document
revision
A
B
C
D
E
F
G
H
J
L
M
11.11.2.2 Testing permissive underreaching
1. Activate the receive (CRLx) signal in the IED.
2. Apply healthy normal load conditions to the IED for at least two seconds.
3. Apply a fault condition within the permissive zone.
Line distance protection REL670
Commissioning manual
Product History
revision
2.2.1 -
2.2.1 -
2.2.2 -
2.2.3 -
2.2.3 -
2.2.4 -
2.2.4 -
2.2.4 -
2.2.5 Added separate DOs for teleprotection permissive (TxPrm & RxPrm1), blocking (TxBlk &
RxBlk1) and direct trip (TxTr & RxTr1) transmit and receive signals in accordance with 61850
Ed 2.0.
2.2.6 -
2.2.6 -
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Testing functionality by secondary injection
GUID-33B76F26-DEEF-46C3-A66F-A8713B50E413 v2
"Preparing the IED to verify
GUID-BC7055A7-D5DF-470E-BB17-8A0ED3E40F4F v2
GUID-F8C6F099-5C88-466A-8C00-7211981B03B9 v1
Section 11
M13868-84 v6
settings".
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