TDR9000
™
Circuit Breaker Test System User’s Guide
72A-1898 Rev. A 11/01 3-23
Monday, November 26, 2001 1:09 pm
Trip/Close Module
The Trip/Close control function consists of two parts:
• The Trip/Close control module located inside the TDR9000
• The connector, fuses and protection circuits that are part of the
TDR9000 System module.
The Trip/Close module enables the TDR9000 to control the following
tests:
•Trip
•Close
• Trip Free – Standing
• Trip Free – Delay
• Trip Free – Contact 1 Make
• Reclose – Standing
• Reclose – Delay
• O-C-O Standing
• O-C-O Delay
• O-C-O Contact 1 Make
This module operates the circuit breaker under test through the action
of solid-state switches that Trip or Close the circuit breaker and is
polarity-insensitive, so that the user need not know lead polarity.
The TDR9000 can be ordered without the Trip/Close module, however,
all tests need to be triggered externally to the TDR9000 using a push
button or through SCADA.
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