doble TDR9000, User Manual, Page: 325 / 454

TDR9000
™
Circuit Breaker Test System User’s Guide
72A-1898 Rev. A 11/01 A-125
Monday
, November 26, 2001 1:09 pm
Within the phase, the Dead time is calculated as the difference
between the time required for the last Main Contact to close and the
first Main Contact to open.
B Dead Time with a Circuit Breaker
This is the time when at least one Main Contact
within the circuit breaker is open during the
reclose operation (Figure A.148).
Figure A.148 Reclose Operation within a Circuit Breaker
Contact #1
Contact #2
First to open
Last to close
Dead Time
0
A
#1
#2
#1
#2
0
B
0
C