P.11.14
SEL-411L Relay Protection Manual Date Code 20151029
Testing and Troubleshooting
Test Methods
Test Connections for Other Protection Functions
Use this connection to check the protection functions such as distance,
current, voltage, and frequency elements.
Figure 11.5 Test Connections for Protection Functions Other Than 87L
Test Methods
Use the following methods to conveniently test the pickup and dropout of
relay elements and other relay functions:
➤ Target indications (element pickup/dropout)
➤ Control output closures
➤ SER reports
The tests and procedures in the following subsections are for 5 A relays. Scale
values appropriately for 1 A relays.
Once you have completed a test, return the relay settings that you modified for
the test to default or operational values.
Three-Phase
Voltage and Current
Test Source
Z02
Z01
IAW
Z04
Z03
IBW
Z06
Z05
ICW
ZI4
ZI3
VAY
ZI6
ZI5
VBY
ZI8
ZI7
VCY
V1
N
V2
N
V3
N
I1
N
I2
N
I3
N
Z08Z07
IAX
Z10Z09
IBX
Z12
Z11
ICX
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