Displays available instances of CVGAPC with a number of output quantities per
instance. These include error signals from overcurrent functions, trip and start
signals from overcurrent, undercurrent, overvoltage and undervoltage. There is a
block signal caused by second harmonic detection. The directional mode of OC1
and OC2 is shown as is low voltage for directional polarization. The current and
voltage as well as measured current multiplied by cos Phi and the angle between
voltage and current are also shown here.
11.6.7
Secondary system supervision
Values for Current circuit supervision and Fuse failure supervision are found under
Secondary circuit supervision. Fail and alarm detection information is available
together with various start and current data.
11.6.7.1
Fuse failure supervision SDDRFUF
Main menu/Test/Function status/Secondary system supervision/
FuseFailure(RFUF)/FSD
Displays available instances of SDDRFUF with some measurements per instance
indicating start status.
11.6.8
Control
There are large amounts of output data from the control functions. The main
categories of data are found under Synchrocheck, and Apparatus control.
Apparatus control has by far the largest amount of data since this includes all the
interlocking information for several different breaker arrangements.
11.6.8.1
Apparatus control
Interlocking
Main menu/Test/Function status/Control/Apparatus control/Interlocking
Displays available instances of the function with an open and a close parameter for
each disconnection device. The enable open (EN_OPEN) parameter will have the
output value one if an open operation is allowed and a zero output if an open
operation is not allowed. The conditions for an open operation are if the device is
closed, intermediate or in a bad state as defined in IEC61850. The enable close
(EN_CLOSE) parameter is subject to similar conditions.
Interlock busbar earth switch
Main menu/Test/Function status/Control/Apparatus control/
InterlBusbarEarthSwitch/IJ
1MRK 502 014-UEN C
Section 11
Test the IED
71
Operator's manual
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