SOLKOR-N (7SR18) Feeder Differential Protection. Make the ight choice! Choose EYROLLE Protection
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- Lionel Wilkerson
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1 SOLKO-N (7S18) Feeder Differential Protection
2 CLASSIFICATION OF UNIT TYPE POTECTION Summation Transformer, Circulating Current Protection B B O O SUMMATION TANSFOME SUMMATION TANSFOME O - Operating Coil B - Bias Coil 2 EYOLLE
3 The Solkor history of feeder differential relays Solkor A Pilot wire differential using voltage balance Solkor B Pilot wire voltage balance Solkor Half wave current balance Overall Solkor Current balance for transformer feeder circuits. Solkor f 1982 Full wave current balance Solkor M Digital with Vf signalling Solkor N 7SG Numerical Phase Segregated Differential Solkor N 7S Numerical Phase Segregated Differential!!! new 3 EYOLLE
4 The new Solkor N (7S18) 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 edition 2) Optional logic programmability eylogic /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?? 4 EYOLLE
5 The Compact ange More functionality..lower cost..easy to use with IEC61850 option NEW! 5 Argus-C 7S1/12 Feeder protection Capa 7S191 Capacitor protection And don t forget Duobias 7S24 transformer protection 7S158 Mains monitoring protection With OCOF and vector shift 7S157 Synch check relay Solkor /f 7PG21 pilot wire differential protection Solkor 7SG18 feeder differential protection ho-c 7S17 Motor protection Argus 7S45 Self powered OCEF Solkor 7S18 feeder differential protection All with the same easy to use menu structure and PC setting and analysis software EYOLLE
6 AGUS-C Mains 7S158 ESKOM 7S1 Series - elay Applications AGUS-C Synch Chk 7S157 SUB-A AGUS-C 7S1102 SUB-B TANSFOME DUOBIAS 7S243 INCOME ESKOM INTECONNECTO SOLKO 7S18, 7SG18, 7PG21 BUS SECTION / COUPLE AGUS-C 7S1102/3 7S1205/6 SUB-C AGUS-C 7S1205/6 HO-C 7S1702/3 7S1705/6 M MOTO AGUS-C 7S1103 CAPA 7S191 AGUS-C 7S1102 OVEHEAD LINE AGUS-C 7S CABLE FEEDE AGUS-C 7S1102/3 SOLKO 7S18, 7SG18, 7PG21 INTECONNECTO G G G TANSFOME CAP BANK / FILTE 6 GEN FAM EYOLLE SUB-D
7 Familiar Operation for all relays Same 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 S485 comms IEC103 / Modbus TU / DNP events 10 fault records Waveform recorder Metering 7 EYOLLE
8 Solkor N 7S18 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-eclose CT atio Matching Communication link Supervision 8 EYOLLE
9 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 Differential Protection I 87HS Differential Threshold (x Is) I s Trip Zone 0.5 x IS Bias Breakpoint (B2) Phase Fault Bias Slope 1 (S 1 ) Differential Highset Setting estraint (x I s ) Phase Fault Bias Slope 2 (S 2 ) Stable Zone ESTAINT= ( I L + I ) 2 9 EYOLLE
10 SOLKO N Communication Link Function Local End emote End Current comparison Internal Intertripping External Intertripping 1 External Intertripping 6 Pilot Supervision 87 Protection Communications Protection Communications 87 Used for: Current comparison Internal intertripping External intertripping Communication link supervision 10 EYOLLE
11 SOLKO N 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 11 EYOLLE
12 Data Storage Fault records available from relay facia Trip indication and fault storage triggered by: Operation of: Protection Output relay mapped as Trip Contact SYSTEM CONFIG > Trip Alert set as Enabled Trip Alert dd/mm/yy Hh:mm:ss.sss Gn Max. Fault ec. Time Trip LED TEST/ ESET FAULT 1 dd/mm/yy > To view Gn Element Operate current Disturbance ecords 10 second window 1, 2, 5 or 10 records elay events Up to 1,000 / 5,000 events Waveform trigger storage enabled (user selectable elements) Waveform records available over data comms link Pre-trigger storage ecord duration FAULT n dd/mm/yy > To view Fault ecords Up to 10 ecords Event ecords available over data comms link Time Type Action Description 12 Nov Kevin Pa hh:mm:ss.sss, dd:mm:yy nnn aised Cleared EYOLLE
13 Create, view and download settings 4/8 Settings Groups eydisp Evolution / eydisp Manager 13 EYOLLE
14 eylogic 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 14 EYOLLE
15 Solkor N 7S18 Summary Same size case as Solkor /f 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 eylogic 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 15 EYOLLE
16 Thank you. Questions? 16 EYOLLE
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