HVTest HT-802, Руководство пользователя

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Section 3 relay protection test item
1. Relay test
Relay type Test item Test module Note
Signal relay
Relative test item
AC test
Intermediate relay
DC test
If the relay with AC/DC input, please
choose “AC/DC test”.
For the signal relay with small rated
current, please choose voltage loop test
of the device.
Time relay
Intermediate relay
Reclosing relay
Current relay
Relative test item
AC test
Current voltage
extremely inverse
current relay
DC test
Test sequence component relay at
sequence component module of “AC
test”.
Test the extremely inverse current relay
at “extremely inverse current”.
Over (less) voltage
relay
Sequence component
relay
Synchronism-check
（
or
phase comparison
）
relay
Extremely inverse
current relay
Differential relay
DC magnetic
properties
Differential relay
Differential test
Harmonic test Please wire correctly according the
method of “differential test”.
Harmonic brake
characteristics
Proportional brake
characteristics
Differential test
Differential relay
AC test
Power ( direction )
Relay
Relative test item
Power direction
AC test
Please choose wiring method and
protect the approximate action boundary
before test.
Impedance relay
Synchronous relay Relative test item
Synchronous test
AC test
During the test, UA as the system side
and UB as test side at “synchronous
test” module, can test operating
frequency, operating voltage, operating
phase, and automatically make pene-
contemporaneous test.