Protection relay with full PLC function

Transcription

1 S U B S T A T I O N S Protecton relay wth full PLC functon

2 SEPCOS-NG s a hgh-tech equpment that satsfes the most demandng safety requrements applcable to DC electrcal power transmsson networks. SEPCOS-NG s a powerful electronc system based on several mcroprocessors. It s used as a protecton and control unt of an outgong feeder cubcle or rectfer unt n DC tracton SUBSTATION of publc transport systems such as streetcars, underground ralway, commuter trans or trolley buses. SEPCOS-PRO, ntegrated nto SEPCOS-NG, development s based on the safety requrement of the ralway standards EN / EN and EN SEPCOS-NG s stand alone, modular, extendng and easly adaptable by software. Moreover, t s wdely opened to modern communcaton equpment. It delvers network communcaton or seral lne montorng facltes. Sécheron s the precursor and leader n the feld of IEC adapted for DC applcatons and has already successfully commssoned several projects usng ths standard. Man Features Modular PLC concept, up to 54 Dgtal nput and 30 Dgtal output possble 5,6'' Grafc dsplay wth "touchscreen" functon Fully Approved n ralways substaton envronment EN Very good nose mmunty thanks to a hgh samplng rate (25 mcrosecond) for each of the 4 analog nputs Wde communcaton possbltes FI WD Control functons : 5 T PWR RUN PLC programmng, IEC normalsed programmng. Applcaton s customsed dependng of the substaton layout and customer mode of functonng. - HSCB ON / OFF control wth electrc or magnetc holdng - Intertrppng - Automatc reclosng - Ant-pumpng - Lne Test functon - External synchronsaton of the PLC (NTP) - Measurement supervsor control 2 A useful LED ndcator helps to control each nput/output status. Double settngs: 2 sets of parameters can be memorzed on the SEPCOS-NG. In case of falure of a substaton, settngs of adjacents substatons are adapted to the new characterstcs of the lne.

3 Bus connectons Open to all customers Network and protocols Modularty and adaptablty are the key words of the SEPCOS-NG. We developed ths protecton and command relay wth the objectve to get t as adaptable of the customer's needs as possble, and we dd that successfully: the SEPCOS-NG s ndeed open to all customers Network and protocols: Power dstrbuton protocols: IEC (-5-101), DNP3.0, IEC61850 TCP/IP: MODBUS-TCP Feldbus: MODBUS-RTU Flexblty n connectvty: Copper cable (RS485, RJ45) or optcal fber. SEPCOS-NG can be also adapted to your specfc needs. Example of confguraton wth IEC61850 Confguraton, network protocol and connecton to the hgher supervson system (SCADA) talored for each network request. Example of SEPCOS-NG nstalled on a cubcle wth Optcal Fber connecton. 3

4 Applcatons Wth many command and protecton functons, SEPCOS-NG satsfes the needs of DC electrc tracton networks such as outgong feeder cubcle or rectfer unt. SEPCOS-NG s used for montorng tracton network segments and for loggng events. It analyzes the current gradent and voltages through cyclc measurements at the supply pont of the substaton to the catenary. The measurements are made va electrcally solated transducer (for example the solated amplfers type MIU 10 or VM10 developed by Sécheron). Typcal applcaton of the SEPCOS-NG : Touch Screen Dsplay Control & montorng SCADA x x x Hgh Speed Crcut Breaker Communcaton Bus Current (shunt or Hall sensor) Measurng amplfer MIU10 Voltage + Measurng amplfer VM10 RS232 USB TCP/IP SEPCOS I User software 4

5 Protecton PROTECTION Man Features Last Detecton d/dt (ka/s) 673 d/dt Curve 2009/08/29 11:50: Last 3 curves of detecton memorsed: - d/dt } - current 2500 ponts each - voltage - HSCB nput/output status memorsaton Curve memorsed ptch : 100 µs...5 s Samplng Rate : ~ 25 µs Storage of the last 3 events: Total 9 curves Avalablty of the last 1000 events; 1ms tme-stamped Last Detecton I (A) I Current Curve 2009/08/29 11:50: d/dt U Last Detecton U (V) 50 T (ms) I Voltage Curve 2009/08/29 11:50: d/dt U 50 T (ms) I d/dt U 50 T (ms) PROTECTION Functons DDL + Delta I DDL + Delta T DDL - Delta I DDL - Delta T Imax + Imax ++ wth a second level Imax - I max -- wth a second level Thermc Feeder (calculated, based on current) Backup Current (2nd measurement & survey) Cable nsulaton fault detecton U feeder Low U feeder Hgh Track Alve Delta U Interrupted Arc Charge Report Fallng Voltage You can parameterze the ndvdual protectve functons of the unt and deactvate protectve functons that you do not need. Descrpton of D/Dt functons DDL + Delta T If the value of the Delta t measured s hgher than the parameter Tmax and the value of Delta I measured s hgher than the parameter Delta Imn, the functon declares a detecton by DDL + Delta T and a trppng s ntated. Delta Imn Delta Imax DDL Delta I Tmax F X Delta Imn Trp DDL + Delta T detecton (t) DDL + Delta I If the current rse Delta I measured s hgher than the parameter Delta Imax durng a tme hgher or equal to the parameter t Delta Imax, the functon declares a detecton by DDL + Delta I and a trppng s ntated. Tmax DDL Delta T Trp F (t) E t X DDL + Delta I detecton Delta Imax t Delta Imax Delta Imax E t 5

6 8 multpurpose LED Status LED The dsplay module s a smple, modular and user-frendly montorng tool that collects the nformaton avalable from the SEPCOS. It s ncludng the modfcaton of the SEPCOS parameters (Settng protectons, Command parameters, etc.). It's based on a resstve touch screen LCD dsplay 1/4 VGA (320x240 pxel). ¼ VGA touch screen graphc dsplay It s also equpped wth 8 Led wth dynamc labels for the vsualzaton of state of the PLC (Poston, Type of fault, ) Control orders Event lst Protecton parameters Trolley Servce 0 A 750 V HSCB Local ON Mode: On wthout LT RESET OFF Event Lst: Protecton 1/73 09/09/16 8: Detecton 21:25: Imax - 09/09/16 103: HSCB ON & OFF pos. Error 21:25: Ids or Ext. Overrde Detected Trolley DDL + Delta I750 V Servce Analog Values DDL + Delta I DDL + Delta State T: Actve DDL - DeltStatea Acton : Transstor I DDL - Delta Statstc T : None 0 A E : 55 ka/s Charge Report Local Mode: 0 V Control of the equpment (orders IN, OUT, RESET etc.) Loadng The events lsts (last 1000 events) stored by the SEPCOS-NG can be dsplayed, ncludng the last 150 protecton events. Imax + F : 15 ka/s Delta Protecton Imax : 500 ms Command t Delta Imax : 1 ms General Param 0 V Readng and modfcaton of protecton parameters, such as DDL Delta I. Vsualsaton Trolley Servce 750 V Local Analog Values U Rectfer (V): 750 Versons U Feeder (V): 750 Date and Tme I Feeder (A): 1250 Network ID Aux (-): 0 Password θ If (%): 0 0 A Language SANA 1 (-): 1250 Test LEDs SANA 2 (-): 750 States I/O kwh: 0 Contrast Brghtness 0 V Mode: 6 State of each Inputs and Outputs.

7 Optonal functons Cable nsulaton fault detecton In DC tracton applcaton, power cables bult wth metal shelds must be protected aganst hgh touch voltage. Ths protecton must be actve when a dangerous contact voltage or a hgh current appear on the sheld n case of nsulaton fault. The system s desgned to detect a leak current ether between sheld and conductor or between sheld and earth. If a fault occurs, actuaton of ntertrppng out sgnal can be selected. The settngs for ths functon can be adjusted wth the SEPCOS-I software. Power and energy Ths functon calculates the energy transported by the feeder. The value can be reset to zero or adjusted through ts parameter. Permanent montorng of the voltage of the crcut breaker (Ul) and of the lne current (Ul). SEPCOS-I : Control and parametrzaton software The software SEPCOS-I s the nterface PC program to confgure and read the SEPCOS data. Ths software allows n partcular to: Modfy the protecton parameters and the command parameters of the cubcle. Transfer on a PC the nformaton recorded by the SEPCOS Download on a SEPCOS the nformaton (parameters) recorded n a PC Show at real tme the analogcal nputs value and detecton result. Approvals EMC testng accordng to IEC Voltage and Insulaton Wthstand tests accordng to IEC Development followng the EN50126, EN50128 & EN50129 standard. Conform to IEC PLC standard programmng Envronmental testng - Cold storage test and Coolng test accordng to IEC Hot storage test and dry heat test accordng to IEC Damp heat test accordng to IEC Salt mst accordng to IEC Alttude 3000m (=700mbar) accordng to RTCA D0160F secton 4 Vbratons, shock and bump test - Vbratons test accordng to IEC Shock test accordng IEC Bump test accordng IEC Sesmc tests accordng to IEC

8 112 Techncal specfcatons Mechancal format A bg advantage of the SEPCOS-NG s ts modularty: The poston concernng the PC/104 fastenngs and the connectors for the board comples wth the PC/104 specfcaton. The boards are ntegrated n modules to make up an element of the SEPCOS-NG. All electrcal connectons are located on the front panel of the housng: The weght of one module s n average of approx. 270 g From to Envronment The envronment must comply wth the followng condtons: Storage temperature : -40 C / +85 C Operatng temperature : -25 C / +70 C Humdty : Relatve humdty 10% / 95% Alttude : < 3000 m (700mbar) Connectons All connectons (power supply, analog sgnals, RS232, network, etc.) are placed on the front panel. Power supply The SEPCOS-NG s powered by a modular power unt, choose accordng to the nput voltage. Power supply: V DC V DC 220 V DC. SG815135BEN_D Sécheron SA Rue du Pré-Bouver Meyrn - Geneva CH-Swtzerland Tel: Fax: substatons@secheron.com Ths document s not contractual and contans nformaton correspondng to the level of technology at the date of prntng. Sécheron reserves the rght to modfy and/or mprove the product, whose characterstcs are descrbed n these documents, as requred by new technology at any tme. It s the purchaser's responsblty to nform hmself, no matter what the crcumstances, of the product's mantenance condtons and requrements. Sécheron reserves all rghts, especally those arsng from our "General Delvery Condtons". Copyrght 2007 Sécheron SA