Measuring The Operate And Time Limit For Set Values - ABB Relion 650 Series Commissioning Manual

Section 5
Testing functionality
5.3.5.1
42
Values of the logical signals are available on the local HMI under: Main menu/
Tests/Function status/<Function group>/<Function>/<1:Function>. The Signal
monitoring tool in PCM600 shows the same signals that are available on the LHMI.
Figure 8 shows the principal connection of the test-set during the test of the
sensitive directional residual overcurrent protection. Observe that the polarizing
voltage is equal to -3U
0
IED test set
NI
L1U
L2U
L3U
NU
IEC09000021 V1 EN
Figure 8: Principle connection of the test-set

Measuring the operate and time limit for set values

Operation mode 3I
0
Procedure:
1. Set the polarizing voltage to 1.2 · UNRel> and the phase angle between
voltage and current to the set characteristic angle (RCADir), the current
lagging the voltage.
Take setting RCAComp into consideration if not equal to 0.
2. Measure that the operate current of the set directional element is equal to the
INcosPhi> setting.
The I Dir (I cos(Angle)) function activates the START and STDIRIN output.
0
Measure with angles j = RCADir +/- 45° that the measuring element operates
3.
cos (RCADir - j) = I
when I
0
4. Compare the result with the set value.
Take the set characteristic into consideration, see figure
.
NI
U1
U2
U3
NU
-3U
0
TRIP
IEC09000021-1-en.vsd
· cosφ
cos(+/-45) =INcosPhi>.
0
1MRK 511 209-UEN -
IED
9 and figure 10.
Commissioning Manual
REC650