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2.5
86
Preparing for test
IL1
IL2
IL3
NI
UL1
UL2
UL3
UN
Figure 17:
Connection of the test set to the REx 5xx terminal.
Verifying the connection and the analog inputs
The user must verify that the connection and that the analog signals are measured correctly.
Procedure
1.
Compare the injected value with the measured value.
The phasor menu is located in the local-HMI under:
ServiceReport/Phasors/Primary and Secondary
Consider set ratio factors for CT's and VT's.
2.
Compare the frequency reading with the set frequency and the direc-
tion of the power with the injected power.
The frequency and active power are located in the local-HMI under:
ServiceReport/ServiceValues
3.
Inject a unsymmetrical three-phase current and voltage at rated val-
ue in two phases.
4.
Compare the injected value with the measured value.
The phasor menu is located in the local-HMI under:
Verifying settings by secondary
IL1
IL2
IL3
IN (I4,I5)
UL1
UL2
UL3
UN
UN (U4,U5)
TRIP L1
TRIP L2
TRIP L3
en01000162.vsd
Chapter 13
injection
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