Interaction Between Modules - ABB RELION 650 Series Applications Manual

Section 11
Control
The solution in Figure
example in Figure 74. The solutions in Figure
security compared to the solution in Figure 72, but instead have a higher availability, since no
acknowledgment is required.
IED
. . .
IEC05000178 V3 EN-US
Figure 74: Application principle for an alternative reservation solution
11.2.2

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 earthing
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) connects the "trip" outputs of one or more protection
functions to a common "trip" to be transmitted to SXCBR.
• The Autorecloser (SMBRREC) consists of the facilities to automatically close a tripped
breaker with respect to a number of configurable conditions.
• The logical node Interlocking (SCILO) 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 .
• The Synchrocheck, energizing check, and synchronizing (SESRSYN) calculates and
compares the voltage phasor difference from both sides of an open breaker with
predefined switching conditions (synchrocheck). Also the case that one side is dead
(energizing-check) is included.
• The Generic Automatic Process Control function, GAPC, handles generic commands from
the operator to the system.
The overview of the interaction between these functions is shown in Figure
170
73 can also be realized over the station bus according to the application
IED
IntlReceive
RESGRANT
IntlReceive
RESGRANT
73 and Figure 74 do not have the same high
SCSWI
RES_EXT
SELECTED
OR
Other SCWI in
the bay
Station bus
1MRK 504 158-UEN A
SPGAPC
IN
IEC05000178-3-en.vsd
M16626-3 v7
75 below.
Application manual