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Section 7
Testing functionality
Take setting
2.
Measure that the operate current of the set directional element is equal to the
setting.
The I Dir (I
3.
Measure with angles j = RCADir +/- 45° that the measuring element operates when I
RCADir - j) = I
(
4.
Compare the result with the set value.
Take the set characteristic into consideration, see figure
5.
Measure the operate time of the timer by injecting a current two times the set
value and the polarizing voltage 1.2 ·
Tinv
IECEQUATION2402 V1 EN-US
6.
Compare the result with the expected value.
The expected value depends on whether definite or inverse time was selected.
7.
Set the polarizing voltage to zero and increase until the boolean output signal UNREL is
activated, which is visible in the Application Configuration in PCM600 when the IED is in
online mode. Compare the voltage with the set value
8.
Continue to test another function or complete the test by setting the test mode to
IEC06000650 V2 EN-US
Figure 13:
52
RCAComp into consideration if not equal to 0 .
cos(Angle)) function activates the START and STDIRIN output.
0
cos(+/-45) =
0
( )
=
×
×
kSN Sref
/ 3
I
cos
0
test
3 ×
I
ROADir
Characteristic with ROADir restriction
© Copyright 2011 ABB. All rights reserved
INcosPhi> .
UNRel> .
j
RCADir
3I
0
Operate area
j
-
3
j
cos
0
1MRK 502 035-UEN A
13
and figure 14.
UNRel> .
o
=
0
=
U
U
0
ref
IEC06000650_2_en.vsd
Generator protection REG650
Commissioning manual
INcosPhi>
cos
0
INcosPhi>
(Equation 11)
Off .
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