Interaction Between Modules - ABB REB670 Applications Manual

Section 12
Control
12.3.2
332
the same high security compared to the solution in Figure 124, but instead have a higher
availability, since no acknowledgment is required.
IED
IED
. . .
IEC05000178 V3 EN
Figure 126: Application principle for an alternative reservation solution

Interaction between modules

A typical bay with apparatus control function consists of a combination of logical nodes
or functions that are described here:
• The Switch controller (SCSWI) initializes all operations for one apparatus. It is the
command interface of the apparatus. It includes the position reporting as well as the
control of the position
• The Circuit breaker (SXCBR) is the process interface to the circuit breaker for the
apparatus control function.
• The Circuit switch (SXSWI) is the process interface to the disconnector or the
grounding switch for the apparatus control function.
• The Bay control (QCBAY) fulfils the bay-level functions for the apparatuses, such as
operator place selection and blockings for the complete bay.
• The Reservation (QCRSV) deals with the reservation function.
• The Protection trip logic (SMPPTRC, 94) connects the "trip" outputs of one or more
protection functions to a common "trip" to be transmitted to SXCBR.
• The Autorecloser (SMBRREC, 79) consists of the facilities to automatically close a
tripped breaker with respect to a number of configurable conditions.
• The logical node Interlocking (SCILO, 3) provides the information to SCSWI
whether it is permitted to operate due to the switchyard topology. The interlocking
conditions are evaluated with separate logic and connected to SCILO (3).
• The Synchronism, energizing check, and synchronizing (SESRSYN, 25) calculates
and compares the voltage phasor difference from both sides of an open breaker with
SCSWI
IntlReceive
RESGRANT RES_EXT
SELECTED
IntlReceive
Other SCWI in
RESGRANT
the bay
1MRK 505 337-UUS -
SPGAPC
OR
IN
Station bus
IEC05000178-3-en.vsd
Application manual