Slot a power supply card if you are replacing the power supply card, change the part number accordingly using the partno command from access level c. The sel 751a provides complete feeder protection, with overcurrent, overvoltage, undervoltage, and frequency elements. Sel2414 transformer monitor schweitzer engineering. Schweitzer engineering laboratories sel 587 data sheet sel 587 current differential relay economical differential protection for power apparatus major features and benefits the sel 587 current differential relay combines overcurrent and differential elements in an easytoapply power apparatus differential protection package. Sel751a by schweitzer engineering buy or repair at.
Sel c272 eia232 serial cable, sel751a to sel communications processor without irigb signal configurable length sel 2 the sel751a can be ordered with a cd manual. Design template guides schweitzer engineering laboratories. Opc server for schweitzer engineering laboratories sel751a. Protect lines and equipment with an extensive range of protection elements. The sel751a feeder protection relay provides an excep tional combination of. Sel innovations sel innovations meet the sel t400la quantum leap in line protection performance implement a secure, fast, and simple digital substation solution built for speed, security, and simplicity, the sel t400l timedomain line protection is the beginning of a revolution in the electric power industry. Sel provides complete power system protection, control, monitoring, automation, and integration for utilities and industries worldwide. In addition to the sel751a feeder protection relay, other components of the sel solution included sel735 meters, an sel3555 realtime automation controller, an sel2407 satellitesynchronized clock, and an sel387 current differential relay. Card type card slot options c d e select eia232485 x select devicenet x select 3 di4 do1 ao one card per relay only x x x select 4 di4 doa x x x select 4 di3 do one form b and two form c outputs b xx x select 8 di x x x select 4 ai4 ao one card per relay only x x x. The sel751a feeder protection relay is the right solution for industrial and utility feeder protection, with flexible io options, easy mounting, and fast settings. Issue the sta command to verify that the serial and part numbers of your relay are correct. Sel 751 and sel 751a feeder protection relay improved safety reduce arcflash energy with fast detection and tripping. Pdf new features sel751 feeder protection relay erick.
Sel offers a wide variety of solutions to fit your application. The included instruction manual includes how to configure these settings. Overcurrent protection relay test bench, sel751a feeder protection relay, serial. The auxiliary relay will reset when the parameter is above the lowerlevel setting for one second. This sel 751a relay is new in box and includes product literature and software. The sel 751a feeder protection relay offers combined light and highspeed overcurrent detection for arcflash eventsthe ideal solution for speed and security. Schweitzer engineering sel751a feeder orotection relay. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. How to set the sel710 motor protection relay youtube. Sel has an extensive library of free literature and videos on that will accelerate your learning path and simplify your relay installation and commissioning process. The sel 751 feeder protection relay is ideal for directional overcurrent, fault location, arcflash detection, and highimpedance fault detection applications.
Schweitzer engineering laboratories sel3515 instruction. Unfollow sel relay schweitzer to stop getting updates on your ebay feed. Sel751a option cards refer to the model option table on the sel website for ordering details. Sel 751 data sheet schweitzer engineering laboratories, inc. New schweitzer engineering sel751 751101acaca77850220.
Sel 751 feeder protection relay directional overcurrent over under rate fast rate. Buy new or surplus schweitzer engineering sel 751a feeder protection relay parts. New schweitzer engineering sel751a feeder protection. Access sel 251 relay information via the sel rd relay display you can connect up to four sel 251 relays to one sel rd relay display. Schweitzer sel751a distribution feeder protectionrelay. Schweitzer schweitzer sel751a feeder protection relay. Laboratory sessions for training future electrical protection engineers. Radwell also repairs schweitzer engineering sel 751a. The new touchscreen display layout allows bay control. Dec 07, 2016 learn how to configure settings on the sel 751 feeder protection relay including settings for overcurrent protection and timeovercurrent protection. Share how to use the sel 50515052 clientserver network management system nms software on linkedin. Page 103 motor protection with touchscreen hmi visualize what youre protecting introducing the new touchscreen for the sel. Learn how to configure settings on the sel 751 feeder protection relay including settings for overcurrent protection and timeovercurrent protection.
Sel751 card options schweitzer engineering laboratories. A new frontpanel layout option with a 5inch, color, 800 x 480 pixels touchscreen interface to navigate the screens, folders, and applications. The schweitzer sel 751a 751a01aoxoxox850000 relay can also be purchased as remanufactured to factory standards please see sel 751a relay factory remanufacturing specification. Solid state or microprocessor based relays are generally equipped with a large variable of settings and curve options and some electromechanical relays provide for adjustable calibrated settings. The relay enables you to get motor protection running quickly and.
Shop by category electronics, cars, fashion, collectibles. Sel751a feeder protection relay schweitzer engineering. Sel 751a data sheet sel751a feeder protection relay major features and benefits the sel751a feeder protection relay provides an exceptional combination of protection, monitoring, control, and communication in an industrial package. Aurora mitigation using the sel751a relay request pdf. Share how to use the sel 50515052 clientserver network management system nms software on twitter. Relays schweitzer engineering laboratories sel 700g series instruction manual. Share how to use the sel 50515052 clientserver network management system nms software on facebook. Other setting considerations for sel 751a 1 and sel 751a 2 relays. Sel7105 motor protection relay schweitzer engineering. We also carry a large stock of replacement parts for the schweitzer sel 351 overcurrent relay.
Sel application guide schweitzer engineering laboratories. Sel351s protection system instruction manual rosehulman. Sel751 feeder protection relay schweitzer engineering. Sel c222 eia232 serial cable, sel751a to dce device 25pin female configurable length please see online mot or contact sel rep or csr for ordering information. The schweitzer engineering labs sel 700g is a generator protection relay. View and download schweitzer engineering laboratories sel 751 instruction manual online. Apply the sel751 in medium and lowvoltage applications where space is tight. The opc server for schweitzer engineering laboratories sel751a is opc certified. View and download sel 751a instruction manual online. Major features and benefits the sel 751 feeder protection relay provides a comprehensive combination of protection, faultlocating features, monitoring, control, and communication in an industrial package. Learn how to establish communications with the sel 751 feeder protection relay. Synchronous motor protection and starting control the sel 7105 provides two levels of field over and undervoltage, field over and undercurrent, and field resistance protection. Overall, the solution provided arcflash detection technology, fast bus tripping, an. Page 188 wireless fault detection discover the sel t400l timedomain line protection, the worlds fastest transmission line relay.
The sel 751a feeder protection relay is the right solution for industrial and utility feeder protection, with flexible io options, easy mounting, and fast settings. Adicionalmente, o sel751a tem um cartao com opcao da porta eia232 ou eia485. Sel 251 relay sel control equations block diagram ogic select combinations of relay elements for tripping and other purposes the 48bit relay word contains relay elements, intermediate logic results. Increased security combine lightsensing technology with fast overcurrent protection to provide high speed without false tripping. Sel 5030 database file sel 751a simple overcurrent.
Arcflash mitigation is available as an optional arcflash card with the sel 751 and sel 751a feeder protection relays and the sel 7105 motor protection relay. The sel 751 protection features depend on the model selected. If this action is not taken, it can ruin the drive. Nov 16, 2015 we are having a communication of cp 4431 over modbus tcpip with a selschweitzer engineering laboratories power protection device sel 751 a.
Repaired schweitzer engineering sel 751a feeder protection relay 20w refurbished. The examples and diagrams in this manual are included solely for illustrative. Learn how to establish communications with the sel751 feeder protection relay. Automation and control apply the sel751a on feeders to provide protection, automation, and control, all in one package. Schweitzer schweitzer sel751a feeder protection relay new. Note all drives must to be connected to power for at least 4 hours prior to operation. The sel 710 motor protection relay features the industrys most accurate motor protection.
Sel protection relay library electrical engineering. Sel 751a and sel 751 feeder protection relays sel 849 motor management relay sel 4520 arcflash test module configuration how is arcflash mitigation configured with sel protective relays. Synchrophasors schweitzer engineering laboratories. Sel387l line current differential relay short file name. Sel video support portal schweitzer engineering laboratories.
The sel751a provides complete feeder protection, with overcurrent, overvoltage, undervoltage, and frequency elements. Highspeed, highcurrent interrupting outputs minimize the total faultclearing time. Sel 651r data sheet schweitzer engineering laboratories, inc. I am using a programming manual simatic modbustcp communication using cp3431 and cp4431. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. Schweitzer engineering laboratories 2350 ne hopkins court, pullman, wa 99163 usa phone. Sel 751a data sheet major features and benefits the sel 751a feeder protection relay provides an exceptional combination of protection, monitoring, control, and communication in an industrial package. Sel products, systems, services, and training make electric power safer, more reliable, and more economical. Great overall condition with some signs of use such as scuffs, scratches, blemishes or other cosmetic wear see photos. Presently, the company designs and manufactures embedded system products for protecting. Apply the sel 2414 in harsh physical and electrical environments.
Sel751a option cards schweitzer engineering laboratories. Opc certification is the process of ensuring that applications meet the standards specified by the opc foundation. Sel 2414 transformer monitor complete system for control and monitoring major features and benefits the sel 2414 transformer monitor provides an exceptional combination of monitoring, control, and communications in a compact package. Design and implementation of overcurrent protection relays test. Easily access the frontpanel interface, wiring connections, fuses, and accessories with multiple enclosure options. Schweitzer engineering laboratories sel 751a feeder orotection relay pn. The sel751a feeder protection relay is for industrial and utility feeder protection with flexible io options, easy retrofit, and fast setup and configuration. Check for load encroachment and unbalance through instan taneous, demand, and peakdemand measurements. Find out all of the information about the schweitzer engineering laboratories product. Automation and control apply the sel 751a on feeders to provide protection, automation, and control, all in one package.
Simple overcurrent application for replacing an electromechanical relay with an sel 751a feeder protection relay. Sel designs, manufactures, and supports products and services ranging from generator and transmission protection to distribution automation and control systems. Dec 07, 2016 learn how to establish communications with the sel 751 feeder protection relay. The sel 751 feeder protection relay provides a comprehensive combination of protection, faultlocating features, monitoring, control, and communication in an industrial package. Prefer the value of a remanufactured sel 751a relay. Sel ft50 sel fr12 fault transmitter and receiver system instruction manual accelerate tripping, speed up restoration, and improve safety on distribution feeders. Trip securely for forward or reverse faults with simultaneous phase and ground. You can use this feature to control the motor load within set limits. Schweitzer iii, sel shipped the worlds first digital protective relay. Schweitzer engineering laboratories sel751a feeder orotection relay pn. Slot a power supply card if you are replacing the power supply card, change the part number accordingly using the partno command from. Designed to replace schweitzer engineering labs discontinued ups in form and fit, the sei 15048 sel is a drop in replacement. Sel751a feeder protection relay instruction manual 201905 pm751a01nb 20072019 by schweitzer engineering. The sel751a feeder protection relay offers combined light and highspeed overcurrent detection for arcflash eventsthe ideal solution for speed and security.
Learn how to perform event analysis using an sel 751 feeder protection relay. Synchrophasors are currently being used by utilities around the world for system model validation, situational awareness, stability analysis, islanding detection, disturbance analysis, and widearea measurement and control. Modbus communication over tcpip with sel relay 751a. New schweitzer engineering sel 2730m managed 24port ethernet switch sel2730 nib. Sel 751a data sheet major features and benefits the sel751a feeder protection relay provides an exceptional combination of protection, monitoring, control, and communication in an industrial package.
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