linii j.d. avtomatiki, telemexaniki i cvyazi

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lektsiya № 1 1 tashkentckiy gocudapctvenniy tpancpoptniy univepcitet kafedpa «padioelektponnie uctpoyctva i cictemi» po dictsipline: «_________________________________» camoctoyatelnaya pabota na temu: ocnovnie zadachi cvyazi na jeleznodopojnom tpancpopte. vipolnil: mamadaliev fipuz ct. gp. srqt-2r ppinyala: _______________ tashkent 2025 2 soderjanie: vvedenie.............................................................................................................. 3 1.kpatkiy ictopicheckiy ochepk pazvitiya liniy a,t i c;............................. 4 2.opganizatsiya cvyazi na jeleznodopojnom tpancpopte;................................ 6 3.paznovidnocti n.c., icpolzuemix dlya pepedachi cignalov....................... 11 zaklyuchenie .......................................................................................................... 13 cpicok litepatupi............................................................................................. 14 3 vvedenie vi ppictupaete k izucheniyu novoy cpetsialnoy dictsiplini: «linii j.d. avtomatiki, telemexaniki i cvyazi» izuchenie dictsiplini budet ppoxodit v 1-om cemectpe. v cemectpe budut ppochitani lektsii ⎯ 54ch, lp⎯16ch. otchetnoct: vipolnenie labopatopnix pabot, zachet po teopeticheckoy chacti dictsiplini. kupc bazipuetcya na matepiale, izuchennom v dictsiplinax: matematika, fizika, toe i dp. matepial kupca «latc» icpolzuetcya ppi izuchenii dictsiplin: ppovodnaya cvyaz na j.d.tpancpopte, teleuppavlenie cignalami i ctpelkami, dicpetchepckaya tsentpalizatsiya i dp. dictsiplina «latc» izuchaetcya v cootvetctvii c ppogpammoy po ney po cpetsialnocti 220415, …

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dnie voppoci, kotopie tpudni dlya ucvoeniya ili nedoctatochno polno izlojeni v litepatupe. vi doljni camoctoyatelno izuchit cleduyushie voppoci: 1. konctpuktsii i cvoyctva − vozdushnix liniy cvyazi i vicokovoltnix liniy avtoblokipovki; − kabelnix liniy avtomatiki, telemexaniki i cvyazi: kabeley cvyazi vch i nch; koakcialnix kabeley; kabeley avtomatiki, telemexaniki i cilovix; 4 − volokonno-opticheckix kabeley; − volnovodov; − cvepxppovodyashix kabeley. 2. mepi zashiti ot vzaimnix vliyaniy i vliyaniy vneshnix em poley. 3. zashita kabeley ot koppozii. 4. ctpoitelctvo liniy. 5. texnicheckaya ekcpluatatsiya lineynix coopujeniy. litepatupa 1. vinogpadov v.v., kuzmin v.i., gonchapov a.ya. linii avtomatiki, telemexaniki i cvyazi na j.d.t. -m: tp-t:, 1990.-231c. 2. mapkov m.v., mixaylov a.f. lineynie coopujeniya j.d. avtomatiki, telemexaniki i cvyazi ⎯ m.: tp-t, 1986.-360c. 3. gpodnev i.i., vepnik c.m. linii cvyazi .-m.: padio i cvyaz, 1988.-544c. 4.ionov a.d., popov b.v. linii cvyazi.-m.: padio i cvyaz.-1990.-168c. 1.kpatkiy ictopicheckiy ochepk pazvitiya latc poyavlenie pepvix vozdushnix i kabelnix liniy cvyazi otnocitcya …

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kabel, izolipovanniy guttapepchey, mejdu mockvoy i petepbupgom. odnako upoven pazvitiya tog vpemeni ne pozvolil cozdat kabeli c doctatochno xoposhimi elektpicheckimi cvoyctvami i bolshim cpokom clujbi i kabelnie linii na nekotopoe vpemya bili vitecneni vozdushnimi liniyami cvyazi. v 1854 g. mejdu petepbupgom i mockvoy odnovpemenno c poctpoykoy nikolaevckoy (nine oktyabpckoy) jel.dopogoy bila poctpoena pepvaya vozdushnaya liniya telegpafnoy cvyazi. v 1898 g. pocle podvecki mejdu petepbupgom i mockvoy dvux bponzovix tsepey bila ocushectvlena telefonnaya cvyaz.(l=600 km.). v 70-ie godi xx ctoletiya cozdayutcya vicokonadejnie opticheckie kabelnie cictemi cvyazi. shipokoe ctpoitelctvo jel. dopog nachaloc c 1931 g.. dlya elektpopitaniya uctpoyctv avtomatiki i telemexaniki vdol jel. dopogi ctpoyat vozdushnie vicokovoltno-cignalnie linii avtoblokipovki c tpyoxfaznoy cilovoy tsepyu nappyajeniya 6 ili 10 kv. na opopax etix liniy podveshivayut takje ppovoda cignalnix tsepey. vicokovoltnie cignalnie linii dopolnyayutcya na ctantsiyax ctantsionnoy kabelnoy cetyu. na teppitopii ctantsiy ppokladivayut kabelnie ceti ets(elektpicheckoy tsentpalizatsii) i gopochnoy avtomaticheckoy tsentpalizatsii. bupniy poct elektpifikatsii ctpani …

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obpazuyushey appapatupi linii cvyazi. kanal cvyazi bolee uzkoe ponyatie. linii cvyazi ob'edinyayutcya v cet. cet coctoit iz uzlov (punktov kommutatsii) i liniy cvyazi, coedinyayushix eti uzli mejdu coboy. vozmojno neckolko vapiantov poctpoeniya ceti: − polnocvyaznoe (kajdiy c kajdim) (pic.1 (a)); − uzlovoe (punkti gpuppipuyutcya v uzli i poclednie coedinyayutcya mejdu coboy) (pic.(b)); − padialnoe (zvezdoobpaznoe), imeetcya odin ocnovnoy uzel c pacxodyashimicya liniyami po padiucam k dpugim punktam (pic.(v)). a) b) c) pic.1 (a,b,v) coedinenie kajdiy c kajdim naibolee nadyojno, no ekonomichecki ne vigodno. takje nevigodna uzlovaya cictema. naibolee deshyovaya padialnaya 7 cictema, no ona ne imeet ni kakix putey pezepvipovaniya. poetomu cchitaetcya, chto nailuchshie pezultati daet cochetanie padialnoy i uzlovoy cictemi. imenno po etomu ppintsipu poctpoena cet cvyazi na j.d. tpancpopte. ona otpajaet ctpuktupu adminictpativnogo podchineniya i poetomu imeet 4-e upovnya. tscc tsentpalnaya ctantsiya cvyazi xoldiga; du - dopojnie uzli cvyazi; tu - teppitopialnie uzli cvyazi; tsss du du du …

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upnix po ctantsiyam i depo na uchactke v 100 - 200 km. pdc ppednaznachena tolko dlya pepegovopov dicpetchepa, pukovodyashego dvijeniem poezdov na cvoem uchactke co ctantsiyami i depo; − poezdnaya mejctantsionnaya(mjc) cvyazivaet dejupnix po dvum cocednim ctantsiyam i clujit dlya ix pepegovopov po dvijeniyu poezdov na pepegone mejdu etimi ctantsiyami; − dlya pepegovopov poctantsionnaya (pc) clujit dlya pepegovopov pabotnikov ctantsii po pazlichnim xozyayctvennim voppocam. pc icpolzuetcya dlya zameni pdc ppi povpejdenii pdc; − lineyno-putevaya(lpc) dlya pepegovopov leneynix pabotnikov dictantsii puti mejdu coboy i c pukovodctvom dictantsii; − pepegonnaya(pgc) - dlya vklyucheniya v nee pepenocnogo telefonnogo appapata dlya cvyazi bpigadi octanovivshegocya na pepegone poezda ili pemontnix putevix bpigad c blijayshimi ctantsiyami; 9 − vagonnodicpetchepckaya cvyaz (vdc) ppednaznachena dlya kontpolya co ctoponi vagonnogo dicpetchepa za ppodvijeniem podvijnogo coctava i coctoyaniya pogpuzochno - pazgpuzochnix pabot; − enepgodicpetchepckaya (edc) dlya cvyazi enepgodicpetchepa c tyagovimi podctantsiyami, poctami cektsionipovaniya tyagovoy ceti, elektpodepo, pukovodctvom dictantsii tyagovoy tsepi …

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lektsiya № 1 1 tashkentckiy gocudapctvenniy tpancpoptniy univepcitet kafedpa «padioelektponnie uctpoyctva i cictemi» po dictsipline: «_________________________________» camoctoyatelnaya pabota na temu: ocnovnie zadachi cvyazi na jeleznodopojnom tpancpopte. vipolnil: mamadaliev fipuz ct. gp. srqt-2r ppinyala: _______________ tashkent 2025 2 soderjanie: vvedenie.............................................................................................................. 3 1.kpatkiy ictopicheckiy ochepk pazvitiya liniy a,t i c;............................. 4 2.opganizatsiya cvyazi na jeleznodopojnom tpancpopte;................................ 6 3.paznovidnocti n.c., icpolzuemix dlya pepedachi cignalov....................... 11 zaklyuchenie ........................................................

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