Hitachi Relion 670 Series Commissioning Manual page 218

Section 11
Testing functionality by secondary injection
To test
set
-
ANSI04000202 V2 EN-US
Figure 54:
11.10.2.1 Preparation of the verification
1. Check the function settings on the local HMI under Main menu/Settings /IED Settings/Control /
Autorecloser79,5(0–>1)/SMBRREC:x(79,5(0–>)):x
If any timer settings are reduced to speed up or facilitate the testing, they shall be set to normal
after testing. A temporary label on the IED can be a reminder to restore normal settings after which
a verification test should be performed.
2. Decide if a synchrocheck function SESRSYN (25) shall be included in the test.
If SESRSYN (25) as an internal function or external device is not operated by the injection, input
signal SYNC must be connected as a permanent high signal or controlled by a switch.
3. Read and make notes of the reclosing operation counters on the local HMI under Main menu /
Test/Function status /Control/AutoRecloser79,5(0–>1) /SMBRREC(79,5(0–>1)):x
212
BI BI
ST
SRY
Simulating the CB operation by a bi-stable relay/breaker simulator and manual
switches
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1MRK506371-UUS Rev. M
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Line distance protection REL670
Commissioning manual