700G_PF00211

SEL-700GGENERATOR PROTECTION RELAY 2 . serial communications. sessions for custom configuration of your application. The internal monitor tracks the 100 percent stator ground protection. Connecting the neutral tors when measured and accumulated current input provides protection for quantities approach maintenance solidly grounded or resistance-grounded thresholds. Pick nization process using generator start multiple Modbus® TCP or Modbus serial reports and the PC-based synchroscope. voltage. sensitive current differ- ential function. Apply sensitive percentage-restrained current differential elements and an unrestrained element. including Mirrored Bits® system. along with synchronism check and volts-per- hertz elements. communications and IEC 61850. and several nized and connected to the power protocols. Power transformer and CT connection compensation allows the unit step-up transformer to be included in the generator differential zone. Monitor the generator synchro. Adding fications for defining breaker operation the neutral voltage connection provides limits. across the entire unit to protect both the generator and the step-up transformer.KEY FEATURES Comprehensive Generator Protection Breaker Wear Monitoring Connect the SEL-700G Generator Record accumulated breaker contact Protection Relay across small. total number of close/open operations based on fundamental-frequency and integrates the interrupted current and third-harmonic neutral-voltage per phase. Set an alarm to alert opera- measurements. and phase control of or fiber-optic Ethernet ports. or the generator are automatically synchro. medium. wear with the breaker monitor function. Replace external generator control and synchronizer relays with the built-in Easy Communications automatic synchronizer function. This information facilitates machines. or large generators for complete which uses the manufacturer’s speci- primary and backup protection. Use DNP3 Serial or Current Differential Protection DNP3 LAN/WAN protocols. 3 . Optional current differential elements detect stator faults using a secure. proactive breaker maintenance and replacement without underutilizing Autosynchronizer resources. Choose from single or dual copper Frequency. Voltage Restrained/Controlled Time-Overcurrent 24 Volts/Hertz 59S 27S 87 25G Synchronism Check 27 Undervoltage VS 32 Directional Power 40 Loss-of-Field 46 Neg. LAN/WAN Telnet FTP Synchrophasors (IEEE C37. Seq.SEL-2664 + 64F Field Ground 64G 100 Percent Stator Ground ENV 49R 67G Directional Ground Overcurrent 67N Directional Neutral Overcurrent SEL-2600 78 Out-of-Step 81 (O. Overcurrent 49R Thermal Overload (RTD) IN 50N 51N 67N 24 25G 27 49T Thermal Model CBCT (Alternate IN) 50N Neutral Overcurrent VAX. ICX REF Restricted Earth Fault P 50 GQ 51G 46 BF ADDITIONAL FUNCTIONS IN 52PB Pushbutton Trip/Close 50N 51N REF 87N 64G 85 RIO SEL Mirrored Bits Communications 59N BF Breaker Failure BRM Breaker Wear Monitor VN DFR Event Reports ENV SEL-2600 HMI Operator Interface 52PB HMI DFR SER MET LDP Load Data Profiling LGC SELogic® Control Equations MET High-Accuracy Metering 85 BRM RTU LGC PMU RIO PMU Synchrophasors SER Sequential Events Recorder RTU Remote Terminal Unit 4 2 1 1 Copper or Fiber-Optic EIA-232 Ethernet1 IRIG-B EIA-485 FLEXIBLE COMMUNICATIONS Communications Media Communications Protocols Ethernet 10/100BASE-T SEL ASCII Ethernet 100BASE-FX Mirrored Bits communications Single or dual Ethernet ports IEC 61850 EIA-232 serial Modbus RTU/TCP EIA-485 serial Simple Network Time Protocol (SNTP) Fiber-optic. Ground.R) Frequency (Over. Ground. 50 (P. IBY. Seq.) VBX. serial multimode ST® connectors DNP3 serial.Q) Overcurrent (Phase.U. IBX. Neg. Under. Rate) 21 60 87 Three-Phase Current Differential 49T 32 78 40 67G 51VC LOP 87N Neutral Current Differential IAX.FUNCTIONAL OVERVIEW SEL-700G ANSI NUMBERS/ACRONYMS AND FUNCTIONS IAY.G. Seq.Q) Overvoltage (Phase.G.) 60 Loss-of-Potential G R .118) 4 . ICY P 50 GQ 21C/51VC Compensator Distance. Neg. VCX 51G Ground Time-Overcurrent 51N Neutral Time-Overcurrent 59N (64G1) Neutral Overvoltage P O 59 GQ 81 UR 59S Synchronism Overvoltage ERATO 77 64F EN 59 (P. 110–250 Vdc. 1 2 Front-panel LEDs can be programmed to indicate 4 custom alarms.PRODUCT OVERVIEW 1 Use default messages. 12 10 Fiber-optic serial port. 10 7 11 8 Positions for optional expansion cards. 6 Power supply options include 24–48 Vdc. or 110–240 Vac. 9 11 Mirrored Bits® communications. 6 7 Single or dual copper or fiber-optic Ethernet port. 5 . 12 Optional RTD inputs. 2 5 4 Easy-to-use keypad aids simple navigation and set-point adjustment. or program up to 32 custom display labels. 3 5 Use default pushbuttons. 3 User-configurable label option. or program your own pushbutton actions and labels. 8 9 Voltage and current inputs. Exciter Controller Prime and maintain bus voltage. VBX. MVAR flows on interties and system bus voltages by Controller or Steam controlling load tap changers. VAX. IBX. Connecting the neutral current input provides protection for solidly grounded or resistance-grounded machines. 2664 former. ICX security for inrush and through-fault conditions. The SEL-700G in combination with Exciter SEL’s powerMAX® Power Management and Control System G can balance generation loading. IAY. and capacitor banks. along with synchro- nism check and volts-per-hertz elements. Water. To the Field shedding requirements. Monitor field ground insulation resistance with state-of-the-art voltage injection. IBY. Breaker Control The optional SEL-2664 Field Ground Module accurately SEL- detects field ground faults whether the generator is operating. ICY Integrating the synchronization capability into the generator protection relay provides the most cost-effective and reli. AUTOMATIC GENERATOR CONTROL To the Power System From the Stator SEL’s generation control system regulates generator power CTs and VTs Transf. based on fundamental-frequency and third-harmonic neutral-voltage measurements. VCX 700G UNIT PROTECTION Internal RTDs or Apply sensitive percentage-restrained current differential SEL-2600 RTD Module elements and an unrestrained element. Use harmonic blocking elements to protect the unit transformer bushing and end windings while maintaining IAX. STATOR/FIELD GROUND PROTECTION IN Adding the neutral voltage connection provides 100 VN percent stator ground protection for most machines. across the entire unit to protect both the generator and the step-up trans.APPLICATIONS COMPLETE GENERATOR PROTECTION The SEL-700G provides a complete protection and synchro. minimize electrical disturbances. SEL Generator Controller 6 . or de-energized. SEL. Utility Bus nization solution for synchronous generators. provided by the SEL-2664 Module. stopped. and mitigate load. generator field and large Governor synchronous motor exciters. VS able solution. Eliminate the complexity and cost of standalone synchronizer packages. Protect generators from damage by responding to low field ground insulation resistance warnings. outputs and manages utility interties to maximize system stability. control tie line power flow. synchronous and static Controller condensers. Generator Mover The automatic MVAR and voltage control system maintains SEL Volt/VAR Fuel. RTD-BASED THERMAL PROTECTION Acquire thermal data for alarm. voltage.003 Hz 59. WA Chicago.996 Hz 60. and generator run-time quantities.015 Hz 60. IL Philadelphia. GENERATOR PRIME MOVER 7 . Frequency. Measure elec. accuracy meets the IEEE C37.007 Hz Monterrey.996 Hz go Tampa Pullman. mounting kits.118) to turn state esti- (SER). monitoring.TX Tampa. and phase angle of the replace many existing generator relays with the SEL-700G. PA Pullman Mo ia nte elph r rey il ad Sa Ph n An t on io 60. built-in automatic synchronizer function Replace existing generator protection with the SEL-700G and the eliminates the need for expensive external synchronizing applicable mounting kit.118-2005 Level 1 requirement. FL AUTOSYNCHRONIZER RETROFIT REPLACEMENT KITS The optional. and provide early warning of generator startup. Sequential Events Recorder Apply SEL synchrophasors (IEEE C37. thermal. or system faults. generator are automatically synchronized and connected No cutting or drilling is required when you use the optional to the power system. and trip func- tions in the SEL-700G with a 10 resistance temperature detector (RTD) input card or an external 12 RTD SEL-2600 RTD Module. Ch ica 59. Mexico San Antonio. shutdown. The SEL-700G phasor measurement trical.0 Hz 60. Replacement of existing protection is quick and easy.METERING AND REPORTING SYNCHROPHASOR DATA View generator autosynchronizer. potential system instability. These kits provide everything needed to equipment. and 180-cycle oscillographic event reports to analyze mation into state measurement. • Retrieve event reports using serial or Ethernet communications links. • Initiate the generator synchronization process using an HMI pushbutton.509. three-phase faults. PF00211 · 20170731 .com © 2009–2014 by Schweitzer Engineering Laboratories.332.com Web: www. • Display phase and symmetrical component phasors. Inc.EASY TO SET AND USE USE ACSELERATOR QUICKSET® SEL-5030 SOFTWARE TO SET. Out-of-range or conflicting settings are highlighted for correction. • Develop settings offline with a menu-driven interface and completely documented help screens. Communicate with the SEL-700G through any ASCII terminal. INC. Select analog and digital points to build a custom display. AND CONTROL THE SEL-700G • Save engineering time while keeping flexibility. or use the acSEL erator QuickSet graphical user interface. Tel: +1. MONITOR. Build a custom plot using per-phase and symmetrical component sequence currents and voltages. • Use the acSEL erator® human-machine interface (HMI) synchroscope to view the real- time synchronization process.1890 Email: info@selinc. MAKING ELECTRIC POWER SAFER. Speed installation by copying existing settings files and modifying application-specific items.selinc. • Simplify the settings procedure with rules-based architecture to automatically check interrelated settings. USE ACSELERATOR SOFTWARE TO RETRIEVE AND DISPLAY EVENT REPORTS RECORDED BY THE SEL-700G • Display event report oscillograms. View each report as a plot of magnitude versus time. Display the phasor view of electrical data to better understand asymmetrical. MORE RELIABLE. AND MORE ECONOMICAL SCHWEITZER ENGINEERING LABORATORIES.