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Therefore, the ATS010 aits delay elapse, then starts the gen set, waits
u til the emergency line has been pow ered least set tim T5, and then
does check hether the delay has elapsed and fin lly makes the switch....
Therefore, hen norm line pow lost, the ATS cannot open the norm line
breaker til the emergency line powered...V-N ok
Exam ple tim diagram, strategy operation
W hen the ATS010 operating under Strategy cannot open close the circu it
breakers unless one the lines (norm emergency) powered (these line voltages
are also used the breaker otor operators control coils)..
V-N ok
CB-N on
T1
GE Start
T2
--------------1-----------------------
T3
V-E ok
CB-E on
T5
1
T4
= 1
. 1—
LOAD off
Exam ple tim diagram, strategy operation
T1
CB-N on
T2 T3
GE Start
V-E ok
CB-E on
ABB SACE SACE ATS010 RH0202002 L2467 /48
...
W hen pow returns reverts back norm line operation the same anner as
in Strategy 1
