Bhokisi Type Substation
Bhokisi remhando substation rinobatanidza yakakwira uye yakaderera voltage yepuraimari zvishandiso, transformer uye yechipiri midziyo kuita kaviri-layer, yakavharwa, isingadziviriri uye inofambiswa yekunze bhokisi mufekitori.
Bhokisi mhando substation, inozivikanwawo seyakafanogadzirirwa substation kana prefabricated substation.Ifekitari yakagadziridzwa mukati uye kunze compact simba rekugovera midziyo inoumbwa ne-high-voltage switchgear, kugovera matransformer uye yakaderera-voltage magetsi ekugovera zvishandiso, izvo zvakarongwa zvinoenderana neimwe wiring scheme.Kureva kuti, mabasa ekushandura magetsi ekudzikisa uye kudzika-voltage simba kugovera anosanganiswa uye akaiswa mune hunyoro-uchapupu, ngura humbowo, guruva-uchapupu, makonzo, moto-uchapupu, anti-kuba, kupisa-inodzivirira, yakavharirwa zvizere. uye inofambiswa simbi dhizaini bhokisi, kunyanya akakodzera mumaguta gidhi kuvaka uye shanduko.Chiteshi chitsva-chitsva mushure mechiteshi chevanhu.Box type substation inoshandiswa kumigodhi, mafekitari, minda yemafuta negasi uye zviteshi zvemagetsi emhepo.Inotsiva imba yekutanga yekugovera magetsi evagari uye chiteshi chekugovera uye inova seti nyowani yakakwana yekushandura magetsi nemidziyo yekugovera.
Chimiro chebhokisi mhando substation
Iyo yakazara dhizaini yebhokisi inoshandura inonyanya kukamurwa kuita zvikamu zvitatu: high-voltage switchgear, transformer uye yakaderera-voltage simba rekugovera mudziyo.
Zvinoenderana nezvinodiwa nehurongwa, sulfur hexafluoride kana vacuum circuit breaker, ring network switch, load switch uye fuse inogona kusarudzwa kune yakakwira-voltage switch.
A metering device inogonawo kuiswa padivi repamusoro-pressure.Iyo main switch uye shunt feeder switch inogarwa kudivi rakadzika-voltage, uye mamwe anongoisa mafeeder switch kuti adye zvakananga vashandisi vepasi-voltage terminal.Compensation capacitor uye metering zvishandiso zvinogona kuiswa zvakare.Iyo yekugovera transformer kazhinji inonyudzwa nemafuta kana yakaoma-mhando.
Imba yepamusoro-voltage yeEuropean box type substation inowanzoumbwa ne-high-voltage load switch, high-voltage fuse uye mheni inosunga, iyo inogona kumira uye kutumira simba uye kuva nekuremerwa uye kupfupika kwekudzivirira. ye low-voltage air switch, yazvino transformer, ammeter, voltmeter, etc. Transformers inowanzonyudzwa oiri kana yakaoma-mhando..
Kune marudzi maviri ebhokisi, anoti "mu" uye "pini".Iwo akakwira uye akaderera makamuri emagetsi akarongwa muchimiro che "mu" akafara, izvo zviri nyore pakuziva iyo mhete network magetsi emagetsi chirongwa chemhete network kana kaviri magetsi ekubatanidza magetsi.
Chimiro cheAmerican box type combination transformer chakakamurwa kuita zvikamu zvemberi nekumashure.Chikamu chepamberi ijunction cabinet.Iyo junction cabinet inosanganisira yakakwira uye yakaderera voltage terminals, yakakwira-voltage load switch, plug-in fuse, mabatiro anoshanda eakakwira-voltage tap ekuchinja, oiri level metres, oiri tembiricha mita, nezvimwe;Iyo yekumashure chikamu chemafuta tangi muviri uye kupisa sink.The transformer winding, iron core, high-voltage load switch uye plug-in fuse zvose zviri mutangi remafuta.Bhokisi rinotora chimiro chakavharwa zvizere.Iyo yakabatanidzwa bhokisi mhando substation ichangobva kugadzirwa nevagadziri vepamba uye haina kushandiswa zvakanyanya.Iyo yakapetwa kaviri-layer dhizaini ine yakakwirira uye yakaderera voltage makamuri akaiswa pane transformer kamuri.
Rudzi rweEurope, rudzi rweAmerica uye yakasanganiswa bhokisi transformer ine zvayakanakira nezvayakaipira.European type box transformer ine vhoriyamu yakakura.Iyo yakakwira-voltage uye yakaderera-voltage switch uye transformers zvese zviri muhombe hombe.Mamiriro ekupisa kupisa haana kunaka, uye michina yekupedza simba inoda kuiswa.Nekuti zvimbi zvekutonhodza zvetransformer zvinobvisa kupisa kunze, mamiriro ekutonhora eAmerican type box transformer akanaka, asi chimiro chayo chakashata kupfuura cherudzi rweEuropean, uye chitarisiko chayo chinonetsa kuenderana neyakasvibira. yedzimba dzekugara.Iyo yakasanganiswa bhokisi transformer inotora nyika shoma, uye zvakanakira uye zvisingabatsiri zvakafanana neaya eAmerican box transformer.Mukuwedzera, American uye integrated box type transformers inogona chete kugadzirwa muChina ine simba risingasviki 630kVA, nepo European box type transformers inogona kusvika 1250kva.
Ordinary box type substation modhi dzakakamurwa muzvikamu zvitatu:
(1) High voltage switchgear modhi;
(2) Dry-mhando transformer kabati womuenzaniso;
(3)Low voltage switchgear modhi.
Zvinorehwa nemabhii matatu ekutanga zviratidzo ndezvi:
Z-yakasanganiswa mhando;B-substation;N (W) - mukati (kunze, sarudzo);X-bhokisi rudzi;Y-mobile.
Kushanda uye kugadzirisa kwebhokisi remhando substation
(一) Zvinodiwa zvekutanga zvekushandisa bhokisi remhando substation
1, Uriri hunoiswa midziyo yemhando yebhokisi inofanira kunge iri panzvimbo yakakwirira kwete panzvimbo yakaderera, kuitira kudzivirira mvura inonaya kuti isapinda mubhokisi uye kukanganisa kushanda.Pakukanda puratifomu yekongiri, mukaha unochengeterwa kuti ufambise kuiswa kwetambo.
2, Panofanira kunge paine hukama huviri hwakavimbika pakati pebhokisi negidhi repasi.Iyo yekumisa pasi uye isina kwayakarerekera yekubatanidza yebhokisi inoshandura inogona kugovera imwechete yekugadzika grid.Giridhi repasi rinowanzobatanidzwa nekudzika mirwi pamakona mana enheyo.
3, Zvishandiso hazvifanirwe kurongedzerwa zvakatenderedza bhokisi mhando yemidziyo mukutyora mirau kuti ive nechokwadi chekufefetedza kwemidziyo yemagetsi uye zvinodiwa zvekuongorora kushanda.Bhokisi remhando ye transformer richatonhodzwa nekutenderera kwemhepo, uye musuwo wekamuri rekushandura hauzovharwe.
4, Iyo ring network switch, transformer, mheni inosunga uye zvimwe midziyo iri mu-high-voltage magetsi ekugovera mudziyo unofanirwa kuongororwa uye kuchengetedzwa.Zvikanganiso zvakawanikwa zvichagadziriswa nekufamba kwenguva.Preventive insulation test inofanira kuitwa nguva dzose.Panguva yekushanda, iyo mechanical interlock ichabviswa zvakanaka uye tsvimbo yekudzivirira ichashandiswa kushanda.
(二) Patrol uye kugadzirisa kwebhokisi transformer iyo bhokisi transformer ichaita yenguva dzose patrol (kwete isingasviki kamwe chete pamwedzi) zvichienderana nekutarisa uye kugadzirisa kutenderera, kuyedza tembiricha pakubatana kwetambo terminal, tarisa mashandiro emidziyo, uye ita. bvunzo kana zvichidikanwa.
General patrol zvinhu ndezvizvi:
1, Kana hwaro hwakasungwa zvakasimba, kana maburi akavharika, uye kana iyo cabinet ine mwando.
2, Kunyangwe iyo yekugadzika mudziyo wakazara uye wakanyatsobatanidzwa, uye kana iyo yepasi kuramba ichisangana nezvinodiwa.
3, Kunyangwe nharaunda yekunze yachinja, uye kana yakanganisa kuchengetedzwa kwetraffic nevanofamba netsoka.
4, Tarisa mutoro weumwe neumwe wekudyisa, kana matatu-chikamu mutoro wakaenzana kana kuremerwa, ingave switch yekuvhura nekuvhara chinzvimbo, chiridzwa chiratidzo chakarurama, uye kana chigadziriso chinoshanda zvakajairika.
5, Kubviswa kweguruva kwebhokisi rekushandura: mukati mebhokisi rekushandura richacheneswa rimwe nerimwe gore.Iyo kabati yepamusoro uye gasi bhokisi repamusoro reHV nemakamuri eLV rinogona kupukuta nejira rakanyorova.Iyo transformer mukamuri yetransformer inofanira kucheneswa nemhepo inofuridza kana muunganidzi weguruva.
6, Kugadzirisa kwezuva nezuva uye kugadzirisa kwe fan tarisa kushanda kwefani.Kana ikasashanda, shandisa tembiricha uye humidity controller kuigadzirisa pazasi tembiricha iripo uye tanga feni kuti iongororwe.
7, Kugadziriswa uye kugadziriswa kwemagetsi ekushandisa mashandiro e-high-voltage switch uye yakaderera-voltage switch.
(1) Tarisa uone kana chinongedzo chebarometer chiri munzvimbo yakasvibira.Kana iri munzvimbo yakatsvuka, vhura uye uvhare barometer.Pakarepo zivisa mugadziri kuti agadzirise nayo.
(2) Nekuzora kwemekiniki zvikamu, general lithium girisi (girisi) inogona kushandiswa kuvhura uye kuvhara bvunzo yekuvhiya mushure mekuzora.
(3) Yedzo yenguva dzose yetambo uye inosunga mheni zvinoenderana nezvinodiwa zvenguva dzose bvunzo, insulation test uye kuvuza ikozvino bvunzo ichaitwa yetambo uye mheni inosunga.
8, Yekubatsira maitiro bvunzo: yenguva bvunzo yetembiricha uye humidity controller;Yenguva dzose bvunzo yehutsi alarm mudziyo;Kutsanya uye kuongororwa kweiyo terminal strip: kusungirira uye kuongororwa kweakajairwa zvikamu.
9, Kugadziriswa kweterminal strip: iyo terminal strip inogona kusununguka nekuda kwekuwedzera kwekupisa uye kutonhora kuderera.Ese materminals ari mukamuri yekutemera anofanirwa kusimbiswa panguva yekuongorora kwegore negore.Ongorora: usati wadzoreredza, ndapota simbisa kuti yekutanga ac wedunhu uye yechipiri control circuit inodzimwa kudzivirira kuvhunduka kwemagetsi!
10, Chengetedzo yekuchengetedza yebhokisi mhando substation
(1) Mukova webhokisi remhando substation rakashongedzerwa nemhepo proof mechanism, inova nzira yekuona kuti inochengetwa yakavhurika zvizere.Paunenge uchivhara gonhi rebhokisi remhando substation, mudzi wemhepo proof system inofanirwa kusimudzwa kumusoro, uye ipapo gonhi harigone kudhonzwa nemashini kudzivirira deformation yemuchina kana musuwo, izvo zvinokanganisa kushandiswa kwakajairwa kwebhokisi remhando. substation!
(2) Mushure mekushanda kwemanyorerwo emunharaunda ye-high-voltage load switch yapera, isa mubato wekushanda wemutoro wekuchinja kumashure kwechibatiso chemubato mukati memukova wekunze kuti urege kurasikirwa.
(3) Kana iyo backup yedunhu re-high-voltage mhete main cabinet isina kubatana netambo panguva ino, iyo backup yedunhu ichavharwa isati yabatidzwa mhete main cabinet, kana tambo inobata ichavharwa neinofananidzira. insulating chivharo kudzivirira tsaona!
(4) Chivharo cheguruva chakashongedzerwa nemhete huru kabati kana bhokisi rekushandura richibva mufekitori harigone kutsiva iyo insulating cap!
(5) Hazvibvumirwi kuisa chero ipfupi-sekiti plug mugomba rekuyedza panguva yekushanda.Zvikasadaro, iyo voltage sensor ichakuvadzwa.
(6) Iyo yakaderera-voltage disconnector inogona kushandiswa chete kana iri munzvimbo isina kukiiwa.Usaikweva nesimba
Kushanda chaiko kwebhokisi remhando substation
1, Kuvhara kushanda
Vhara gonhi rekamuri remba --- patsanura switch yepasi --- vhara rekuremedza switch.
2, Kuvhura kushanda
Kuparadzanisa switch yekuremedza --- vhara switch yekumisa --- vhura gonhi rekamuri remba.
Zvinyorwa panguva yekushanda
(1) Paunenge uchiita kuvhura nekuvhara kushanda kweyekuremedza switch, switch inofanirwa kusundidzirwa kunzvimbo yekupedzisira yekuvhura kana yekuvhara.Usasunungure kana kudhonza mubato wekushanda usati wapedza kushandura, kana zvikasadaro chitubu chekudzoka chinokuvadza anoshanda.
(2) Panguva yekuvhura uye kuvhara kwekushanda kwekuchinja kwemutoro, chibatiso chekushanda chichaendeswa kunze kudzivirira kukuvara kune vashandi.
(3) Asati aita kuvhura nekuvhara kushanda kwechibatiso chemutoro, bhatani remagetsi remagetsi riri kumusoro kuruboshwe rwepaneti rinoenderana rinofanirwa kuburitswa kunze uye kutenderedzwa 90 ° kunzvimbo yemanyorero kusati kwaitwa basa remanyorero. inogona kuitwa, kana zvisina kudaro iyo michina inogona kukuvara.
Zvikonzero uye kugadzirisa dambudziko rekukanganisa zviitiko
(1) Frame circuit breaker haigone kuvharwa
1.Kudzora kutadza kwedunhu.
2.Mushure mekuita kwehungwaru kuburitsa, bhatani dzvuku pane pani harigadzirise zvakare.
3.Energy kuchengetedza nzira haichengete simba
Exclusion method
1.Check nzvimbo yakazaruka ine multimeter.
2.Tsvaga chikonzero chekugumburwa uye tinya bhatani reset mushure mekugadzirisa matambudziko.
3.Manual kana magetsi ekuchengetedza simba.
(2)Molded case circuit breaker haigoni kuvharwa
1.Iyo michina haina kudzoreredzwa mushure mekutsika.
2.Mutambo wedunhu wakagadzirirwa ne-undervoltage coil uye hapana magetsi pamagumo anouya.
Exclusion method
1.Tsvaga chikonzero chekugumburwa uye kugadzirisa zvakare mushure mekugadzirisa matambudziko
2.Electrify mugumo unouya, gadzirisa zvakare mubato, uye wozoshandura.
(3)Mutambo wedunhu unofamba kana wakavharwa.
Pane dunhu diki mudunhu rinobuda
Exclusion method
Hazvibvumirwi kuchinja kakawanda.Mhosva inofanira kuwanikwa uye yakavharwa zvakare mushure mekugadzirisa dambudziko.
(4) Iyo capacitor cabinet haigone kubhadhara otomatiki.
1.Iyo simba rekugadzirisa dunhu rinopera.
2.Mutsetse wemazuva ano wechiratidzo hauna kubatanidzwa zvakanaka.
Exclusion method
Tarisa dunhu rekutonga uye dzorera simba rekupa.
Kuvakwa kwebhokisi remhando substation
Kuvakwa kwechigadzirwa chepasi mubhokisi remhando substation
1, Bhokisi remhando substation rakakomberedzwa negidhi repasi, iro rakabatana negidhi repasi rezvivakwa zvakapoteredza.
2, Iyo yakavigwa kudzika uye welding zvinodiwa zvezvishandiso zvepasi zvinosangana nezvinodiwa zvekugadzira uye zvinoenderana nezvinodiwa.
3, Mushure mekunge chigadziro chepasi chaiswa, kuramba kwepasi kunogona kuongororwa chete mumamiriro ekunze ezuva uye kana hunyoro hwepasi hwasvika kune zvakatemwa.Kana paine chigadziro chepasi chine kukosha kwekudzivirira kwepasi kusingaenderane nezvinodiwa, iyo inoenderana grounding electrode uye bhasi yepasi ichawedzerwa sezvinodiwa kusvikira iyo grounding resistance value inosangana nezvinodiwa zvekugadzira.
4, Kubatana pakati pekugadzika mudziyo nemidziyo ichave yakavimbika uye yakanaka.
Kuiswa uye kuvakwa kwekunze kwebhokisi mhando substation
1, Chikumbiro chemvumo: odha zvinhu zvinoenderana nemidziyo zvinoenderana nezvinodiwa zvebhokisi mhando substation dhizaini dhizaini uye kushandisa zvinodiwa zvinopihwa nebhokisi remhando substation mugadziri, uye nekupa mhando yemidziyo kudhipatimendi remagetsi kuti ribvumirwe risati raraira ma transformer. mubhokisi mhando substation.
2, Wiring: iyo inonzwisisika inopinda nzvimbo yemagetsi inogadziriswa kuburikidza nekutsvaga kwesaiti, uye inowirirana magetsi ekugamuchira chirongwa chekuvaka ichagadzirirwa.
3, Embedding: ita nheyo yekuvaka yebhokisi mhando substation, uye nyudza inowirirana zvikamu uye tambo yekudzivirira simbi pombi.
3, Kuiswa: mushure mekunge hwaro hwasvika kupfuura 70% yesimba rekugadzira, bhokisi remhando substation richaongororwa risati rasvika panzvimbo.Mushure mekunge zvishongedzo zvapera, midziyo iri mumamiriro akanaka, uye hapana kuora kana kukuvadzwa kwemagetsi, zvishandiso zvinogona kuiswa.Muchiitiko ichi, isu tinofanira kuramba tichiteerera kuchengetedza kwenheyo.
5, Kuongorora: mushure mekuvakwa kwebhokisi remhando substation kwapera, chikwata chekuvaka chinotanga kuita kuzvigadzirisa uye kuzviongorora pachako kwemidziyo, uye yozozivisa kudhipatimendi rebvunzo rine bvunzo yekukodzera yakapihwa nechikamu chekuvaka kupinda panzvimbo. kuyedza bhokisi remhando substation.
Nguva yekutumira: Sep-08-2022