ABB RET650 2.1 IEC Commissioning Manual page 8

Transformer protection
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2
Checking optical connections........................................................... 37
Overview...........................................................................................39
Configuring analog CT inputs........................................................... 40
Supervision of input/output modules................................................ 40
communication............................................................... 43
Entering settings...............................................................................43
Entering SPA settings..................................................................43
Entering IEC settings...................................................................43
Verifying the communication............................................................ 44
Verifying SPA communication..................................................... 44
Verifying IEC communication...................................................... 44
Fibre optic loop................................................................................. 45
communication............................................................... 47
Communication via the rear ports ....................................................47
LON communication.................................................................... 47
The LON Protocol........................................................................48
Hardware and software modules.................................................48
communication............................................................... 51
Overview...........................................................................................51
Setting the station communication....................................................51
Verifying the communication............................................................ 52
Section 9 Testing IED operation.....................................................53
Preparing for test.............................................................................. 53
Requirements.............................................................................. 53
Preparing the IED to verify settings............................................. 54
Activating the test mode................................................................... 55
Preparing the connection to the test equipment............................... 56
Connecting the test equipment to the IED........................................56
Releasing the function to be tested.................................................. 57
Testing the protection functionality................................................... 59
Forcing concept........................................................................... 59
How to enable forcing..................................................................59
Transformer protection RET650 2.1 IEC
Commissioning manual

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