Apparatus Control Apc; Application - ABB REB670 Applications Manual

Section 12
Control
12.3
12.3.1
324

Apparatus control APC

Application

The apparatus control is a function for control and supervising of circuit breakers,
disconnectors, and grounding switches within a bay. Permission to operate is given after
evaluation of conditions from other functions such as interlocking, synchronism check,
operator place selection and external or internal blockings.
Figure 121 gives an overview from what places the apparatus control function receive
commands. Commands to an apparatus can be initiated from the Control Centre (CC), the
station HMI or the local HMI on the IED front.
Station HMI
Local
HMI
IED
Apparatus
Apparatus
Control
CLOSE/OPEN CLOSE/OPEN
breakers disconnectors grounding switches
ANSI08000227 V1 EN
Figure 121: Overview of the apparatus control functions
Features in the apparatus control function:
• Operation of primary apparatuses
• Select-Execute principle to give high security
• Selection and reservation function to prevent simultaneous operation
• Selection and supervision of operator place
• Command supervision
• Block/deblock of operation
• Block/deblock of updating of position indications
• Substitution of position indications
cc
GW
Local
HMI
IED IED
Apparatus
Control Control
CLOSE/OPEN
ANSI08000227.vsd
1MRK 505 337-UUS -
Station bus
Local
HMI
Application manual