ABB RES670 2.1, Руководство по вводу в эксплуатацию

Страница: 89 / 202

about the flash memory, refer to section “Configuring the IED and
changing settings”.
10.1.2 Preparing the IED to verify settings
If a test switch is included, start preparation by making the necessary connections to the
test switch. This means connecting the test equipment according to a specific and
designated IED terminal diagram.
Put the IED into the test mode to facilitate the test of individual functions and prevent
unwanted operation caused by other functions. The busbar differential protection is not
included in the test mode and is not prevented to trip during the test operations. The test
switch should then be connected to the IED.
Verify that analog input signals from the analog input module are measured and recorded
correctly by injecting currents and voltages required by the specific IED.
To make testing even more effective, use PCM600. PCM600 includes the Signal
monitoring tool, which is useful in reading the individual currents and voltages, their
amplitudes and phase angles. In addition, PCM600 contains the Disturbance handling
tool. The content of reports generated by the Disturbance handling tool can be configured
which makes the work more efficient. For example, the tool may be configured to only
show time tagged events and to exclude analog information and so on.
Check the disturbance report settings to ensure that the indications are correct.
For information about the functions to test, for example signal or parameter names, see the
technical manual. The correct initiation of the disturbance recorder is made on pickup and/
or release or trip from a function. Also check that the wanted recordings of analog (real and
calculated) and binary signals are achieved.
Parameters can be entered into different setting groups. Make sure to test
functions for the same parameter setting group. If needed, repeat the tests
for all different setting groups used. The difference between testing the
first parameter setting group and the remaining is that there is no need for
testing the connections.
During testing, observe that the right testing method, that corresponds to the actual
parameters set in the activated parameter setting group, is used.
Set and configure the function(s) before testing. Most functions are highly flexible and
permit a choice of functional and tripping modes. The various modes are checked at the
factory as part of the design verification. In certain cases, only modes with a high
1MRK 511 366-UUS -
Section 10
Testing IED operation
83
Commissioning manual