ABB REF 610 - Block Diagram; Overcurrent Protection

25
5.1.4. Protection
5.1.4.1. Block diagram
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
I
L1
I
L2
I
L3
SGB1...5
I
0
SGL1...8
SGF1...SGF5
I
L1
I
L2
I
L3
I
0
q
>
CBFP
IL1
IL2
IL3
I
Io
Io
I>>>
D
I>
Start
Trip
I>>
I>
Io>>
Io>
Arc I>, Arc I
0
>
Programmable
LEDs
(4 analogue + up to 8 digital channels)
The dashed line indicates optional functionality.
1) Clear indications by the digital input signal
2) Clear indications and unlatch output contacts by the
digital input signal
3) Reset indications and memorized values; unlatch output
contacts by the digital input signal
Optional digital
inputs
(I/O module)
Digital inputs
DI1
DI2
DI3
DI4
DI5
Switchgroups for
digital inputs
Protection relay functions
Analogue inputs
Switchgroups for
programmable LEDs
I> Start
I> Trip
I>> Start
I>> Trip
I>>> Start
I>>> Trip
I
0
>Start
I
0
>Trip
I
0
>> Start
I
0
>> Trip
D
I> Start
D
I> Trip
q
>Alarm
q
>Trip
I> Trip
I>> Trip
I>>> Trip
I
0
>Trip
I
0
>> Trip
D
I> Trip
Q
>Alarm
Q
>Trip
Trip lockout
Definite Trip Alarm
Shot Due
AR Lockout
CB Pos Open
CB Pos Closed
DI1
DI2
DI3
DI4
DI5
Arc Trip
Arc light output
Reset 1
1)
Reset 2
2)
Reset 3
3)
Setting group
Time sync
Ext Trip
Ext Trig CBFP
Ext Trig Trip lockout
Ext Arc
Trip lockout reset
Block I>
Block I>>
Block I
0
>
Block I
0
>>
Block
D
I>
AR Inhibit
CB Close Inhibit
CB Pos Open
CB Pos Closed
Ext AR Initiation
DI1
DI2
DI3
DI4
DI5
Start
Alarm
Trip
Star t
Trip
PO1
EXT TRIG PO2
Block
Star t
Trip
Double
Block
Block
Start
Trip
Double
Block
Start
Trip
Block
Start
Trip
0
®
1, AR
Autoreclose
CB Pos Open
CB Pos Closed
AR Inhibit
CB Close Inhibit
Ext AR Initiation
I> Start
I> Trip
I>> Trip
I>>> Trip
Io> Start
Io> Trip
Io>> Trip
D
I> Trip
Q
>Alarm
Q
>Trip
Arc Trip
CBFP
Open CB Cmd
Close CB Cmd
CB Reclose Failed
Shot Due
Definite Trip Alarm
AR Lockout
Block I>
Block I>>
Block I>>>
Block Io>
Block Io>>
Trip lockout
Trip lockout
Ext Trig
Reset
PO3
Light output
Trip
Light1
Light2
Ext Arc
Light sensor input1
Light sensor input2
Optional arc detector inputs
(Communication module)
Disturbance recorder, DR
DR Triggered
PO1
PO2
PO3
SO1
SO2
SO3
SO4
SO5
IRF
SGR1...5
Digital outputs
(Output contacts)
IRF INDICATION
START/ALARM INDICATION
TRIP INDICATION
IRF indication LED (green)
Start/Alarm (yellow) and
trip (red) indication LEDs
I> Start
I> Trip
I>> Start
I>> Trip
I>>> Start
I>>> Trip
I
0
>Start
I
0
>Trip
I
0
>> Start
I
0
>> Trip
D
I> Start
D
I> Trip
q
> Alarm
q
>Trip
Ext Trip
Open CB Cmd
Close CB Cmd
Definite Trip Alarm
CB Reclose Failled
Shot Due
AR Lockout
Arc Trip
Arc light output
Switchgroups for
output contacts
Tr ip lockout
Optional digital
outputs
(I/O module)
Warning
CBFP Trip
A040312_2
Fig. 5.1.4.1.-1 Block diagram
5.1.4.2. Overcurrent protection
The non-directional overcurrent protection detects overcurrent caused by phase-to-
phase and phase-to-earth short circuits.
Feeder Protection Relay
Technical Reference Manual
REF 610REF 610
1MRS755310