ABB RET670 - Page 10

Overview.........................................................................................105
Preparing for test............................................................................106
Preparing the IED to verify settings...........................................106
Preparing the connection to the test equipment........................107
Activating test mode..................................................................108
Connecting test equipment to the IED.......................................108
Verifying analog primary and secondary measurement............109
Releasing the function to be tested...........................................110
Disturbance report.....................................................................110
Introduction...........................................................................110
Disturbance report settings..................................................111
Disturbance recorder (DR)...................................................111
Event recorder (ER) and Event list (EL)...............................112
Identifying the function to test in the technical reference
manual ......................................................................................112
Exit test mode............................................................................112
Basic IED functions........................................................................113
Parameter setting group handling SETGRPS...........................113
Verifying the settings............................................................113
Completing the test..............................................................113
Differential protection......................................................................113
Transformer differential protection T2WPDIF and
T3WPDIF ..................................................................................113
Verifying the settings............................................................113
Completing the test..............................................................114
Restricted earth fault protection, low impedance REFPDIF .....115
Verifying the settings............................................................115
Completing the test..............................................................115
High impedance differential protection HZPDIF .......................115
Verifying the settings............................................................115
Completing the test..............................................................116
Impedance protection.....................................................................117
Distance protection zones, quadrilateral characteristic
ZMQPDIS..................................................................................117
Measuring the operating limit of set values
in cases
without shaped load encroachment characteristics
(OperationLdCmp=off)..........................................................120
Measuring the operate time of distance protection
zones....................................................................................121
Completing the test..............................................................121
Phase selection with load encroachment, quadrilateral
characteristic FDPSPDIS .........................................................121
Measuring the operate limit of set values.............................124
Completing the test..............................................................125
Table of contents
4
Installation and commissioning manual