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A071272 V1 EN
Figure 522:
Autoreclosing sequence with two shots with different shot settings
according to initiation signal
t
HSAR
Time delay of high-speed autoreclosing, here:
First reclose time
t
DAR
Time delay of delayed autoreclosing, here:
Second reclose time
t
l>>
Operating time for the 50P-1 protection stage to clear the fault
t
l>
or
lo>
Operating time for the 51P or 51N/G protection stage to clear the fault
t
CB_O
Operating time for opening the circuit breaker
t
CB_C
Operating time for closing the circuit breaker
In this case, the number of needed CBBs is three, that is, the first shot's reclosing time
depends on the initiation signal.
Section 9
1MAC059074-MB A
Control functions
1022
615 series ANSI
Technical Manual
Содержание Relion 615 series
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