Study about numerical relay sel387 for overcurrent and differential protections of 11020 kv transformers angela iagar1, gabriel nicolae popa1, corina maria dinis1, gheorghe moraru2 1faculty of engineering hunedoara, politechnica university timisoara str. Sel 387 data sheet sel 387 current differential and overcurrent relay versatile solution for power apparatus protection major features and benefits the sel 387 relay offers restrained and unrestrained differential protection for two to four terminals. Single channel, high speed optocouplers datasheet catalog. Sel387 data sheet sel387 current differential and overcurrent relay versatile solution for power apparatus protection major features and benefits the sel387 relay offers restrained and unrestrained differential protection for two to four terminals. Where instantaneous circuit breaker reclosing will be initiated upon the closure of. Voltage inputs for power metering, overexcitation protection, and overunderfrequency load shedding provide versatile solutions for power apparatus protection.
The basic operating mechanism the time unit produces one of several. Ordering options series frequency range mhz % bandwidth 3 db package mn 30520 4 s04 7 note. If need to download pdf sel 587z instruction manual, in that case you come on to correct website. These devices are sensitive to electrostatic discharge. Sel700g data sheet schweitzer engineering laboratories, inc. Contacts 14, 2324, and 3334 close and contact 4142 opens. It may be used as a standalone device or as a component of an automated substation control system. Sel387 current differential and overcurrent relay schweitzer. With the gle capability in quickset, design new selogic control equations using the convenient diagram navigation tool, draganddrop interface, function block diagrams, and automatic layout function. Date code 20001220 manual change information iii sel3875, 6 instruction manual revision date summary of revisions 991029 updated appendix a. Rf rf satcom 3090mhz d ig ta lc on r 6 3 2 1 0 r 3 0 3 i s e. Automation features reduce total project construction and operation. Nicastrin is a type i transmembrane glycoprotein 709 amino acids that interacts with both presenilin1 ps1 and presenilin2 ps2.
Sel2523 data sheet 3 sel2523 base unit standard features isa18. Study about numerical relay sel387 for overcurrent and differential protections of 11020 kv transformers article pdf available july 2009 with 861 reads how we measure reads. Connected computers, modems, and protocol converters an sel 3530, sel 3364, or sel 2032 scada serial ports, andor rtus for local or remote communication apply an sel 3530, sel 3364, or sel 2032 as the hub of a star network with pointtopoint fiber or copper. Snx5lbc184 differential transceiver with transient voltage. Configuring the sel 734b establish sel communication between pc and the sel 734b after the sel 734b is turned on, the status of the device should be checked. Incorporate up to lines of automation logic to speed and improve control. Each flipflop has independent data, preset, clear and clock inputs and q and q outputs. View and download sel 751a instruction manual online. Isl54100a 387 435 ma isl54101a 357 405 ma isl54102a 370 415 ma. Recent listings manufacturer directory get instant insight into any electronic component.
Platform flash insystem programmable configuration proms ds123 v2. Type iac relays are used in the protection of industrial and utility power systems against either phase or ground overcurrent. Configuring the sel734b establish sel communication between pc and the sel734b after the sel734b is turned on, the status of the device should be checked. The sel 2523 is designed to easily establish communications to the following. Platform flash insystem programmable configuration proms. Antinicastrin recognizes human nicastrin 110 kda by immunoblotting. Sel2511 and sel251d1 relays similar to sel251 and sel251d, with extra residualground elements in place of the negativesequence elements. Sel11 datasheet, cross reference, circuit and application notes in pdf format.
Sel387a current differential and overcurrent protection relay. Type co circuit opening overcurrent relay instruction leaflet. Study about numerical relay sel387 for overcurrent and differential protections of 11020 kv transformers. Page 188 wireless fault detection discover the selt400l timedomain line protection, the worlds. One complimentary printed instruction manual is available upon request with each product purchased. Two, three, and fourwinding current differential protection. Date code 20001220 manual change information iii sel 387 5, 6 instruction manual revision date summary of revisions 991029 updated appendix a. Substitute material jis, bs, din for astm specification contents section 1. Sel387e current differential and voltage protection relay.
The sel 387e current differential and voltage relay provides protection to two or threewinding power transformers. Page 188 wireless fault detection discover the selt400l timedomain line protection, the worlds fastest transmission line relay. Sanken, alldatasheet, datasheet, datasheet search site for electronic components and. Second, fourth, and fifthharmonic elements, augmented by the dc element, provide security during transformer energization and overexcitation conditions in a userdefined choice of either harmonic restraint or harmonic blocking. Iec 61850 integrating sel into ra applications erik syme director of program management.
Because capacitor switching can place significant stress on a breaker, monitoring. Lm387 datasheet, lm387 pdf, lm387 data sheet, lm387 manual, lm387 pdf, lm387, datenblatt, electronics lm387, alldatasheet, free, datasheet, datasheets, data sheet. Sel 387 current differential and overcurrent relay ac current inputs 12 total 5 a nominal 15 a continuous, 500 a for 1 second, linear to 100 a symmetrical burden 0. Insystem programming is fully supported across the recommended operating voltage and temperature ranges. Sel551sel551c data sheet schweitzer engineering laboratories, inc. A maximum 1 for all available packages, see the orderable addendum at pin compatible with sn75176 the end of the datasheet.
Schweitzer engineering sel2020 communications processor. Staining of nicastrin in immunoblotting is specifically inhibited with nicastrinimmunizing peptide. Mm74c74 dual dtype flipflop mm74c74 dual dtype flipflop general description the mm74c74 dual dtype flipflop is a monolithic complementary mos cmos integrated circuit constructed with n and pchannel enhancement transistors. You can check the status of the sel 734b with the quickset hmi directly from the frontpanel menu or by using a terminal program. The sel487v utilizes perphase fundamental and rms current measurement to quickly detect breaker restrike and flashover across any one of the three breaker poles after the breaker is opened. They are single phase although some models contain more than one unit, nondirectional, current sensitive, ac devices. Mm74c74 dual dtype flipflop experimentalists anonymous. The sel2511 and sel251d1 models will be referred to as 1 models in the remainder of this data sheet.
A, m, m1, r, r1, f1a, f2m1, f3a fortytwo digital inputs and eleven digital contact outputs one front and two rear eia232 serial ports internal power supply 2448 vdc or 125250 vdc or vac. Sel451 datasheet, sel451 pdf, sel451 data sheet, sel451 manual, sel451 pdf, sel451, datenblatt, electronics sel451, alldatasheet, free, datasheet, datasheets. Synchrophasors to significantly improve your systems performance, sel offers complete synchrophasor solutions, including hardware, communications, data collection, viewing. Sel387 current differential and overcurrent protection relay. The sel387e current differential and voltage relay provides protection to two or threewinding power transformers. Sel487v data sheet schweitzer engineering laboratories, inc. Sel hardwaresoftware sel protective relay 751a sel architect sel quickset prosoft hardwaresoftware prosoft plx8xeip61850 prosoft configuration manager plantpax hardwaresoftware controllogix factorytalkview.
You can check the status of the sel734b with the quickset hmi directly from the frontpanel menu or by using a terminal program. Sel 2020 used communications processor network card support types available part number 20203040 part number 20200040 power supply. Ut699esea datasheetpdf 1 page aeroflex circuit technology. Features include four threephase current inputs with independent restrained and unrestrained differential protection, programmable single or dual slope differential characteristic, circuit breaker monitor, battery voltage monitor, and. Pdf nowadays, the main problems of the relay protections result from the fact. Serial or parallel tuning interfaces are selectable. Acselerator quickset does not support the sel 387 0. Sel387a current differential and overcurrent relay. The ports will either be standard 10100baset or optional 100basefx ethernet ports.
Features include four threephase current inputs with independent restrained and unrestrained differential protection, programmable single or dualslope differential characteristic, circuit breaker. Study about numerical relay sel387 for overcurrent and. Sel2020 used communications processor network card support types available part number 20203040 part number 20200040 power supply. Embedded, insystem programming reference designs, such as xapp058, xilinx insystem progr amming using an embedded microcontroller, are available on the xilinx web. The sel751 feeder protection relay provides a comprehensive combination of protection, faultlocating features, monitoring, control, and communication in an industrial package. Datasheet the isl54100a, isl54101a, isl54102a are highperformance tmds transition minimized differential. Ethercat is a realtime fieldbus protocol see appendix c in the acselerator rtac sel 5033 instruction manual that we can use to connect an rtac to io modules in an axion system. Rf rf satcom 3090mhz d ig ta lc on r 6 3 2 1 0 r 3 0 3 i. Sel 11501ltls conn one piece interface m 15 pos 1mm solder ra smd. Sel700g family of generator and intertie protection relays. Oct 02, 2015 7lb184 datasheet pdf differential transceiver ti, 7lb184 datasheet, 7lb184 pdf, pinout, data, circuit, ic, manual, parts, schematic, equivalent. Differential transformer protection using the sel 387 and sel 587.
Pdf study about numerical relay sel387 for overcurrent and. The sel 387a current differential and overcurrent relay offers restrained and unrestrained differential protection for two terminals. Sel 551 sel 551c data sheet schweitzer engineering laboratories, inc. The safety relay is prepared by connecting terminal points s11s12 and s11s22. Differential and overcurrent elements, replaced irt1 with irt4 in discussion of differential element operation, page 32. Incorporate up to lines of automation logic to speed and improve control actions. Current differential and overcurrent relay sel home. Sel 451 datasheet, sel 451 pdf, sel 451 data sheet, sel 451 manual, sel 451 pdf, sel 451, datenblatt, electronics sel 451, alldatasheet, free, datasheet, datasheets. The module starts when terminal blocks s33s34 or s33s35 are jumpered. Samtec inc sel11501ltls conn one piece interface m 15 pos 1mm solder ra smd bulk alt. The sel387 current differential and overcurrent relay provides protection, control, and metering for transformers, machines, buses, breakers. Each sel 2243 provides two dedicated ports for ethercat networks.
Isl54100, isl54101, isl54102 tmds regenerators with multiplexers the isl54100, isl54101, isl54102 are highperformance tmds transition minimized differential signaling timing regenerators and multiplexers. Current differential overcurrent relay data recorder. The sel387 relay offers restrained and unrestrained differential protection for two to four. A setting of 3 times the tap as suggested in the sel 3876 manual can be used. We own sel 587z instruction manual djvu, epub, doc, txt, pdf formats. Optional front eia232 serial communications port new digital io mix with six inputs and three outputs eight programmable latch control switches programmable alarm contact.
Protect lines and equipment with an extensive range of protection elements. Platform flash insystem programmable configuration. Throughfault duty is recorded and accumulated for use in selogic control equations or manual monitoring. Sel 700g data sheet schweitzer engineering laboratories, inc. The receiver contains a programmable equalizer and a clock data recovery cdr function for each of the 3 tmds pairs in an hdmi or dvi signal. Differential transformer protection using the sel 387 and sel 587 microprocessor relays. The sel387 current differential and overcurrent relay provides protection, control, and metering for transformers, buses, breakers, and feeders.
The sel 387 current differential and overcurrent relay provides protection, control, and metering for transformers, buses, breakers, and feeders. Consult schweitzer engineering laboratoriess entire sel387e current differential and voltage protection relay catalogue on directindustry. Sel387sel387a current differential and overcurrent relay. Protection and control logic functions, inserted note about. Protection and control logic restricted earth fault. The l90 line differential relay is a digital current differential relay system which provides protection for transmission lines and feeders. Pdf study about numerical relay sel387 for overcurrent. Options may be limited to particular frequency bands andor configurations. The sel387 current differential and overcurrent relay provides protection, control, and metering for transformers, machines, buses, breakers, and feeders. The sel 751 feeder protection relay provides a comprehensive combination of protection, faultlocating features, monitoring, control, and communication in an industrial package. The sel 387 current differential and overcurrent relay provides protection, control, and metering for transformers, machines, buses, breakers, and feeders.
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