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REYROLLEMake the ight choice !
Choose EYROLLE Protection R
O
B
3
1
1
B
O3
1
1
SUMMATION
TRANSFORMER
SUMMATION
TRANSFORMER
O - Operating Coil
B - Bias Coil
CLASSIFICATION OF UNIT TYPE PROTECTION Summation Transformer, Circulating Current Protection
3
REYROLLEMake the ight choice !
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The Solkor history of feeder differential relays Solkor A - 1942 Pilot wire differential using voltage balance
Solkor B - 1948 Pilot wire voltage balance
Solkor R - 1963 Half wave current balance
Overall Solkor - 1965 Current balance for transformer feeder circuits.
Solkor Rf – 1982 Full wave current balance
Solkor M - 1993 Digital with Vf signalling
Solkor N 7SG18 - 2001 Numerical Phase Segregated Differential
Solkor N 7SR18- 2016 Numerical Phase Segregated Differential !!! new
4
REYROLLEMake the ight choice !
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The new Solkor N (7SR18) … why ?? Sourcing digital components for 15 year old design becoming difficult and
costly.
Completion of the Compact relay range
Better performance on modern hardware
Additional market requirements
Directional backup OC & EF
Communication flexibility (DNP3.0, IEC103, Modbus and IEC 61850 edition 2)
Optional logic programmability – Reylogic /Quicklogic
User configurable LEDs and Function keys
Front USB communication port
Increased switch from copper pilot wire to fibre optic
A lower cost fibre optic feeder differential protection ??
5
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The Compact Range
More functionality …..Lower cost ..Easy to use …with IEC61850 option
Argus-C 7SR1/12
Feeder protection
Capa 7SR191
Capacitor protection
7SR158
Mains monitoringprotection
With ROCOF and vector shift
7SR157
Synch check relay
Rho-C
7SR17
Motor protection
And don’t forget …
Duobias 7SR24 transformer protection Solkor
7SG18 feeder differential protection
All with the same easy to use menu structure and PC setting and analysis software
Solkor 7SR18 feeder differential protection
NEW !
Argus
7SR45
Self powered OCEF
Solkor R/Rf 7PG21 pilot wire differential protection
6
REYROLLEMake the ight choice !
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7SR1 Series - Relay Applications
RHO-C
7SR1702/3
7SR1705/6
M
MOTOR
ARGUS-C
7SR1103
TRANSFORMER
CAPA
7SR191
CAP BANK / FILTER
ARGUS-C
7SR1103-3
OVERHEAD LINE
ARGUS-C
7SR1102/3
CABLE FEEDER
SOLKOR
7SR18, 7SG18, 7PG21
INTERCONNECTOR
BUS SECTION / COUPLER
ARGUS-C
7SR1102
SOLKOR
7SR18, 7SG18, 7PG21
INTERCONNECTORDUOBIAS
7SR243
ARGUS-C
7SR1102
ARGUS-C
7SR1102/3
7SR1205/6
ESKOM
ESKOM
SUB-B
SUB-C
SUB-D
TRANSFORMER
INCOMER
ARGUS-C
7SR1205/6
G
GEN FARM
G G
ARGUS-C
Synch Chk
7SR157
ARGUS-C
Mains
7SR158
SUB-A
7
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Familiar Operation for all
relaysSame free PC configuration software for all relays
Same wiring interface
Same menu structure on the relay
USB front port
Withdrawable
All models in size E4 / E6 case
Ethernet comms option - IEC61850
RS485 comms – IEC103 / Modbus RTU / DNP3.0
1000 events
10 fault records
Waveform recorder
Metering
8
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Solkor N 7SR18 – protection function
87L 3-Phase differential and high set (2 stages)
85 Inter-Trip (6 channels)
50 Instantaneous phase fault overcurrent
50G/50N Instantaneous earth fault
51 Time delayed phase fault overcurrent
51G/51N Time delayed earth fault
37 Undercurrent
46NPS Negative phase sequence overcurrent
49 Thermal overload
50BF Circuit breaker fail
46BC Broken conductor/load unbalance
60CTS-I CT Supervision
74T&C Trip & Close circuit supervision
51c Cold load pickup
81HBL2 Inrush Detector
60CTS CT Supervision
60 VTS VT supervision
67/50, 67/51 Directional overcurrent
67 G/N Directional Earth Fault
79 Auto-Reclose
CT Ratio Matching
Communication link Supervision
9
REYROLLEMake the ight choice !
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Differential Protection Differential setting
Protection sensitivity
First bias slope
Accommodates measuring
errors
Second bias slope
Accommodates CT saturation
Bias break point
Set beneath point at which
saturation would occur
Differential high set should be stable
for
Maximum through fault current
CT saturation on one side only
Peak magnetizing inrush
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1
2
3
4
5
6
Restraint (x Is)
Diffe
ren
tia
l T
hre
sh
old
(x
Is)
Is
Stable Zone
Trip Zone
Phase Fault Bias Slope 1 (S1)
Phase F
ault Bia
s Slo
pe 2 (S
2)
Bia
s B
rea
kp
oin
t (B
2)
0.5
x I
S
L R( I + I )RESTRAINT=
2
7
8
I87HS
Differential Highset Setting
10
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Communication Link Function
Used for:
Current comparison
Internal intertripping
External intertripping
Communication link supervision
Current
comparison
Internal
Intertripping
External
Intertripping 1
Pilot
Supervision
Pro
tectio
n C
om
mu
nic
atio
ns87
Pro
tectio
n C
om
mu
nic
atio
ns 87
External
Intertripping 6
SOLKOR N
Local End Remote End
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Protection Signalling
Protection Signalling option
820nm up to 2km using 62.5/125mm multi-mode optical-fibre
or
820nm up to 6km using 62.5/125mm multi-mode optical-fibre
1300nm up to 40km using 9/125mm single-mode optical-fibre
Can be used with multiplexers
Addressable protection stations and external multiplexers allow multiple Solkor over a single communication channel
Communications delay compensation
Link security
Differential is blocked if link error is detected
SOLKOR N
12
REYROLLEMake the ight choice !
Choose EYROLLE Protection R Nov-16
Kevin Hearfield
Page
Data Storage
Event Records available over data comms link
Time Type Action Description
hh:mm:ss.sss, dd:mm:yy nnn Raised
Cleared
Fault records available from relay facia
Waveform records available over data comms link
Pre-trigger storage
Record duration
Trip Alert
___________________
dd/mm/yy
Hh:mm:ss.sss
FAULT 1 dd/mm/yy
> To view
Waveform trigger storage enabled
(user selectable elements)
TEST/
RESET
Trip indication and fault storage triggered by:
Operation of:
Protection
Output relay mapped as ‘Trip Contact’
SYSTEM CONFIG > Trip Alert set as Enabled
Trip
LEDGn Element
Operate current
FAULT n dd/mm/yy
> To view
Gn Max. Fault Rec. Time
Disturbance Records
10 second window
1, 2, 5 or 10 records
Relay events
Up to 1,000 / 5,000 events
Fault Records
Up to 10 Records
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Reydisp Evolution / Reydisp Manager Create, view and download settings
4/8 Settings Groups
14
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ReyLogic Toolbox for advanced applications or simpler Quicklogic
Customise mimic
diagrams
8x15 tiles
up to 10 plant items
real time meters
Create logic schemes
And, or, not and
exclusive or gates
Timers, counters and
latches
Logic symbols appear in
I/O matrix
Can be used for
interlocking logic
15
REYROLLEMake the ight choice !
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Solkor N 7SR18 Summary
Same size case as Solkor R/Rf – pilots to fibre or substation integration upgrade
2km or 40km fibre optic driver
OCEF directional (or non-directional) backup with SEF and auto-reclose
Quick logic and Reylogic available for advanced applications
Simple front keypad setup or using PC software
USB front port
Large LED annunciator and Function control keys
Flexible SCADA communication options
Withdrawable
Economical fibre optic differential protection ???
Easy to use
Free software