5.
Measure the operate time of the timer by injecting 1.2 ·
UNRel>
and a current
to get two times the set
SN>
operate value.
cos
2
2
/
0
0
test
test
ref
inv
U
I
S
kSN
T
IECEQUATION235 V1 EN-US
(Equation 4)
6.
Compare the result with the expected value.
The expected value depends on whether definite or inverse time was selected.
7.
Continue to test another function or complete the test by setting the test mode
to
Off
.
Operation mode 2I
0
and φ
GUID-1D01114B-B012-483F-BE1A-2C0237407477 v1
1.
Set the polarizing voltage to 1.2 ·
UNRel>
and set the phase angle between
voltage and current to the set characteristic angle (
RCADir
). Note that the
current shall lag the voltage.
2.
Inject current until the function picks up, and make sure that the operate
current is equal to the
INDir>
setting for the set directional element.
Note that for operation, both the injected current and voltage
must be greater than the set values
INRel>
and
UNRel>
respectively.
The function activates the START and STDIRIN output.
3.
Measure with angles
j
around
/- ROADir.
4.
Compare the result with the set values, refer to Figure
for example
characteristic.
5.
Measure the operate time of the timer by injecting a current to get two times
the set
SN_>
operate value.
cos
2
2
/
0
0
test
test
ref
inv
U
I
S
kSN
T
IECEQUATION235 V1 EN-US
(Equation 5)
6.
Compare the result with the expected value.
The expected value depends on whether definite or inverse time was selected.
7.
Continue to test another function or complete the test by setting the test mode
to
Off
.
Section 10
1MRK 506 377-UEN C
Testing functionality by secondary injection
112
Railway application RER670 2.2 IEC
Commissioning manual
Summary of Contents for RELION RER670
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