The functions of the relay are selected with the switches of switchgroups
SGF, SGB, SGR and SGL. The checksums of the switchgroups are found
under
SETTINGS
in the HMI menu. The functions of the switches are
explained in detail in the corresponding SG_ tables.
5.1.4.
Protection
5.1.4.1.
Block diagram
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
U
ab
U
bc
U
ca
PO1
PO2
PO3
SO1
SO2
SO3
SO4
SO5
SGB1...5
SGR1...8
Un
SGL1...8
SGF1...SGF5
U
ab
U
bc
U
ca
Un
CBFAIL
U
ab
U
bc
U
ca
U
Un
Un
59N-1
59N-2
27P-1
59P-1
27P-2 / 27D
59P-2 / 47
NPS
PPS
NPS
PPS
Programmable
LEDs
Disturbance recorder
(4 up to 8 digital channels)
Digital outputs
(Output contacts)
IRF TARGET
PICKUP/ALARM TARGET
TRIP TARGET
IRF target LED (green)
Pickup/Alarm (yellow) and
trip (red) target LEDs
59P-1 Pickup
59P-1 Trip
59P-2 / 47 Pickup
59P-2 / 47 Trip
27P-1 Pickup
27P-1 Trip
27P-2 / 27D Pickup
27P-2 / 27D Trip
59N-1 Pickup
59N-1 Trip
59N-2 Pickup
59N-2 Trip
Ext Trip
The dashed line indicates optional functionality.
1) Clear targets by the digital input signal
2) Clear targets and unlatch output contacts by the
digital input signal
3) Reset targets 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
Analog inputs
Switchgroups for
programmable LEDs
Switchgroups for
output contacts
59P-1 Pickup
59P-1 Trip
59P-2 / 47 Pickup
59P-2 / 47 Trip
27P-1 Pickup
27P-1 Trip
27P-2 / 27D Pickup
27P-2 / 27D Trip
59N-1 Pickup
59N-1 Trip
59N-2 Pickup
59N-2 Trip
Trip lockout
59P-1 Trip
59P-2 / 47 Trip
27P-1 Trip
27P-2 / 27D Trip
59N-1 Trip
59N-2 Trip
Trip lockout
DI1
DI2
DI3
DI4
DI5
Reset 1 1)
Reset 2 2)
Reset 3 3)
Setting group
Time sync
Ext Trip
Ext Trig CBFAIL
Ext Trig Trip lockout
Trip lockout reset
Block 59P-1
Block 59P-2 / 47
Block 27P-1
Block 27P-2 / 27D
Block 59N-1
Block 59N-2
DI1
DI2
DI3
DI4
DI5
Pickup
Trip
PO1
EXT TRIG
PO2
Block
Pickup
Trip
Block
Block
Pickup
Trip
Block
Block
Pickup
Trip
Trip lockout
Trip lockout
Ext Trig
Reset
PO3
Optional digital
outputs
(I/O module)
Warning
Block
IRF
Pickup
Trip
Pickup
Trip
A052076
Fig. 5.1.4.1.-1
Block diagram
5.1.4.2.
Overvoltage protection
The overvoltage protection can be based on either conventional voltage
measurement or calculated negative phase-sequence voltage.
The low-set overvoltage element 59P-1 is based on conventional voltage
measurement.
22
REU 610
Voltage Relay
Technical Reference Manual - ANSI Version
1MRS755972
Summary of Contents for REU 610
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