t2 , t3, t4, t5: The delay of auto reclosing shot two and possible later shots are
usually set at 30s or more. A check that the circuit breaker duty cycle can manage
the selected setting must be done. The setting can in some cases be restricted by
national regulations. For multiple shots the setting of shots two to five must be
longer than the circuit breaker duty cycle time.
12.3 Apparatus control APC
IP14560-1 v2
12.3.1 Application
IP14931-1 v1
M13443-4 v13
The apparatus control is a functionality for control and supervising of circuit
breakers, disconnectors, and
earthing switches within a bay. Permission to operate
is given after evaluation of conditions from other functions such as interlocking,
synchrocheck, operator place selection and external or internal blockings.
The complete apparatus control function is not included in this
product, and the information below is included for understanding of
the principle for the use of QCBAY
, LOCREM, LOCREMCTRL
and SXCBR.
Figure
74 shows from which places the apparatus control function receives
commands. The commands to an apparatus can be initiated from the Control
Centre (CC), the station HMI or the local HMI on the IED front.
1MRK 506 375-UEN A Section 12
Control
Railway application RER670 2.2 IEC 237
Application manual
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