Alstom FKG1X, Instruction Manual

Page: 169 / 274

Commissioning
Pre--commissioning inspections
G34--001EN04
4/8
02--2011
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GRID
Test operations of circuit--breaker
Test operations
D
The connection of auxiliary circuits is sufficiently advanced to allow remote
controls to be used.
D
Perform 10 CLOSING -- OPENING cycles electrically, by remote control.
Measurements
specific to the
circuit--breaker
D
Closing time
Measure the closing time of each pole from current emission in the circuit--
breaker’sclosingelectro-magnet until the moment when contacts touch in the
pole.
D
Opening time
Measure the opening time of each pole, from current emission in the circuit--
breaker’s opening electro-magnet to the moment when contacts separate in
the pole.
D
Opening-closing sequence times :
Perform a CO cycle and measure the following times :
-- Closing time.
-- Opening time.
-- Closing-opening time.
D
Operating of auxiliary contacts (CS) :
-- Closing operation : Measure operating times of auxiliary contacts. For both
types of contact (a and b).
-- Opening operation : Measure operating times of auxiliary contacts. For
both types of contact (a and b).
D
Simultaneity gap between poles :
Measure the simultaneity gap between poles during the following operations
-- Closing.
-- Opening (circuit 1).
-- Opening (circuit 2).