Iko huru yemagetsi yekubatanidza inonyanya kureva dunhu rakagadzirirwa kusangana neyakafanotemerwa simba rekufambisa uye kushanda

zvinodiwa mumagetsi emagetsi, zviteshi uye masisitimu emagetsi, uye inoratidza hukama hwekubatana pakati pemagetsi emagetsi

midziyo.Iko huru yemagetsi yekubatanidza isimba remagetsi rekufambisa uye dunhu rekugovera rine mitsara inopinda uye inobuda

yemagetsi ekupa sechinhu chakakosha chinongedzo uye bhazi sechinhu chepakati chinongedzo.

Kazhinji, iyo huru wiring yemagetsi emagetsi uye zviteshi zvinosangana nezvinodiwa zvakakosha zvinotevera:

1) Ita shuwa kuti inodiwa magetsi ekupa kuvimbika uye kunaka kwesimba zvinoenderana nezvinodiwa zvehurongwa nevashandisi.Mukana muduku

yekumanikidzwa kukanganiswa kwemagetsi panguva yekushanda, iyo yakakwirira kuvimbika kweiyo wiring huru.

2) Iyo huru wiring ichave inochinjika kuti isangane nezvinodiwa zveakasiyana ekushanda mamiriro eiyo simba system uye huru michina, uye

ichave yakanakirawo kugadzirisa.

3) Iyo huru wiring ichave yakapfava uye yakajeka, uye mashandiro acho achava nyore, kuitira kuderedza matanho ekushanda anodiwa

kupinza kana kubviswa kwezvikamu zvikuru.

4) Pasi pemamiriro ekusangana nezvinodiwa pamusoro apa, mari yekudyara uye yekushandisa ndiyo idiki.

5) Kugona kwekuwedzera.

Kana paine mitsetse yakawanda inopinda uye inobuda (anopfuura 4 maseketi), kuitira kufambisa kuunganidzwa uye kugoverwa kwesimba remagetsi,

bhazi rinowanzoiswa sechinhu chepakati.

Kusanganisira: yekubatanidza bhazi rimwe chete, kaviri bhazi kubatana, 3/2 kubatana, 4/3 kubatana, transformer bhazi boka rekubatanidza.

Kana nhamba yemitsara inopinda uye inobuda idiki (isingasviki kana yakaenzana nemaseketi mana), kuitira kuchengetedza mari, hapana bhazi rinogona kuiswa.

Kusanganisira: unit wiring, bhiriji wiring uye angle wiring.

1, Single bus connection

Kubatana neboka rimwe chete remabhazi kunonzi kubatana kwebhazi rimwe chete, sezvakaratidzwa mumufananidzo 1.

Fig. 1 Schematic dhayagiramu yekubatanidza bhazi rimwe chete

Chimiro chekubatanidza bhazi rimwe chete ndechokuti magetsi uye magetsi emagetsi akabatanidzwa pane rimwe boka remabhazi.In

kuraira kuchinjisa kana kutema chero mutsara unouya kana unobuda, kutungamira kwega kwega kwakashongedzerwa nedunhu rinotyora rinogona kuvhura kana kuvhara dunhu.

pasi pemamiriro akasiyana-siyana ekushanda (sezvinoratidzwa muDL1 muMufananidzo 1).Pazvinenge zvakakodzera kuchengetedza wedunhu breaker uye simbisa iyo

yakajairika magetsi emamwe mitsara, yekuparadzanisa switch (G1 ～ G4) ichaiswa pamativi ese ega ega breaker.Basa re

disconnector ndeyekuona kuti iyo yedunhu inopwanya yakaparadzaniswa kubva kune dzimwe mhenyu zvikamu panguva yekugadzirisa, asi kwete kucheka ikozvino mu

circuit.Sezvo muparadzi wedunhu aine mudziyo wekudzima arc, asi chinodimburira hachiite, chinodimburira chinofanira kutevedzera musimboti we.

"ita kusati kwaputsa" panguva yekushanda: kana uchibatanidza dunhu, disconnector inofanira kuvharwa kutanga;Wobva wavhara wedunhu;

Paunenge uchibvisa dunhu, muparadzi wedunhu achatanga kubviswa, uye ipapo disconnector.Mukuwedzera, iyo disconnector inogona

ichashandiswa mu equipotential state.

Mabhenefiti makuru ekubatanidza bhazi rimwe chete: nyore, zviri pachena, zviri nyore kushanda, hazvisi nyore kushungurudza, kushomeka kwekudyara, uye nyore kuwedzera.

Kunyanya kuipa kwebhazi rimwe chete: kana bhazi rekudzingirira ratadza kana kuwedzeredzwa, magetsi ese anofanirwa kubviswa, zvichikonzera

kukundikana kwesimba kwechigadzirwa chose.Mukuwedzera, kana muparadzi wedunhu akawedzeredzwa, dunhu rinofanirawo kumiswa panguva yese

nguva yekugadzirisa.Nekuda kwekukanganisa kuri pamusoro, iyo bhazi yekubatanidza haigone kusangana nezvinodiwa zvemagetsi evashandisi vakakosha.

Chiyero chekushandiswa kwekubatanidza bhazi rimwe chete: inoshanda kune madiki uye epakati-saizi zvidyarwa zvemagetsi kana zviteshi zvine jenareta rimwe chete.

kana imwe huru transformer uye mashoma anobuda maseketi mu 6 ~ 220kV masisitimu.

2, Chikamu chekubatanidza chebhazi rimwe chete

Kuipa kwekubatanidza bhazi rimwe chete kunogona kukundwa nechikamu chidiki, sezvakaratidzwa mumufananidzo 2.

Fig. 2 Sectional Wiring yeSingle Bus

Kana muparadzi wedunhu akaiswa pakati pebhazi, bhazi rinokamurwa kuita zvikamu zviviri, kuitira kuti vashandisi vakakosha vagone kufambiswa ne.

mitsetse miviri yakabatana nezvikamu zviviri zvebhazi.Kana chero chikamu chebhazi chikatadza, vese vashandisi vakakosha havazogurwe.Mukuwedzera, maviri bhazi

zvikamu zvinogona kucheneswa uye kuwedzeredzwa zvakasiyana, izvo zvinogona kuderedza kutadza kwemagetsi kune vashandisi.

Nekuti iyo imwe bhazi chikamu wiring haingochengete chete mabhenefiti eiyo bhazi wiring pachayo, sekureruka, hupfumi uye.

kurerukira, asi zvakare inoshandira zvakaipira kune imwe nhanho, uye kuchinjika kwekushanda kunovandudzwa (inogona kushanda zvakafanana kana mukati.

akaparadzana makoramu), iyi wiring mode yakashandiswa zvakanyanya.

Nekudaro, iyo yakakamurwa wiring yebhazi rimwe zvakare ine yakakosha kusarudzika, ndiko kuti, kana chikamu chebhazi kana chero chinobvisa bhazi chikatadza.

kana kuti yakapedzwa, mitoo yese yakabatana nebhazi ichadzimwa kwenguva yakareba panguva yekuvandudza.Zviri pachena, izvi hazvibvumirwi

mashizha makuru emagetsi uye hub substations.

Chiyero chekushandiswa kweimwe bhazi chikamu wiring: inoshanda kune 6 ~ 10kV wiring yezvidiki uye zvepakati-saizi zvidyarwa zvemagetsi uye 6 ~ 220kV substations.

3, Bhazi rimwechete rine bypass bhazi rekubatanidza

Bhazi rimwe chete rine bhazi rekupfuura rinoratidzwa mumufananidzo 3.

Fig. 3 Bhazi rimwechete rine bhazi rekunzvenga

Basa rebypass bhazi: kuchengetedza chero anouya uye anobuda edunhu mabreak anogona kuitwa pasina kupera simba.

Matanho ekuchengetedza kusingapindirwe kwedunhu rinotyora QF1:

1) Shandisa bypass circuit breaker QF0 kubhadharisa bypass bhazi W2, vhara QSp1 uye QSp2, wobva wavhara GFp.

2) Mushure mekubudirira kuchaja, ita inobuda yedunhu breaker QF1 uye bypass circuit breaker QF0 ishande mukuwirirana uye kuvhara QS13.

3) Buda redunhu rinotyora QF19 uye dhonza QF1, QS12 uye QS11.

4) Turika pasi waya (kana banga rekumisa) pamativi ese eQF1 kuitira kugadzirisa.

Misimboti yekumisa bhazi rebypass:

1) mitsetse ye10kV kazhinji haina kumiswa nekuti vashandisi vakakosha vanofambiswa nemagetsi maviri;Mutengo we10kV wedunhu

breaker yakaderera, uye yakakosha yekumira yedunhu breaker uye handcart circuit breaker inogona kusetwa.

2) mitsara ye35kV kazhinji haina kumiswa nekuda kwezvikonzero zvimwe chete, asi zvinotevera zvinogona kutariswa: kana paine

matunhu akawanda anobuda (anopfuura 8);Kune vashandisi vakanyanya kukosha uye magetsi ega ega.

3) Kana paine mitsetse yakawanda inobuda ye110kV nepamusoro pemitsara, inowanzo miswa nekuda kwenguva refu yekuchengetedza.

yedunhu rinoputika (mazuva 5-7);Mhedzisiro yekudzima mitsara yakakura.

4) Bhazi rekupfuura harina kuisirwa mune zvidiki uye zvepakati-saizi hydropower zvidyarwa nekuti gadziriso yedunhu breaker iri.

yakarongedzwa mumwaka wemvura inovava.

4. Kubatana kwebhazi kaviri

Iyo kaviri bhazi yekubatanidza modhi inokurudzirwa kukanganisa kweimwe bhazi chikamu chekubatanidza.Yayo yekutanga yekubatanidza modhi ndeye

inoratidzwa muMufananidzo 4, ndiko kuti, kuwedzera kune bhazi rinoshanda 1, boka rebhazi rekumira 2 rinowedzerwa.

Fig. 4 Kubatana kwebhazi kaviri

Sezvo kune mapoka maviri emabhazi, anogona kushandiswa seanomira kune mumwe nemumwe.Iwo mapoka maviri emabhazi akabatanidzwa nebhasi tie

circuit breaker DL, uye dunhu rega rega rakabatana nemapoka maviri emabhazi kuburikidza nedunhu rinotyora uye maviri anodimbura.

Panguva yekushanda, iyo disconnector yakabatana nebhazi inoshanda yakabatana uye disconnector yakabatana nebhazi rekumira

yadimburwa.

Zvimiro zvekubatanidza mabhazi maviri:

1) Chinjana kugadzirisa bhazi pasina kukanganisa magetsi.Pakugadzirisa iyo bhazi disconnector chero yedunhu, chete

bvisa dunhu.

2) Apo bhazi rinoshanda rinokundikana, matunhu ose anogona kuendeswa kune bhazi rekumira, kuitira kuti chigadziro chigone kukurumidza kudzorera magetsi.

3) Paunenge uchigadzirisa mutsara wedunhu chero ripi zvaro, simba rekugadzirisa dunhu harizovhiringidziki kwenguva yakareba.

4) Kana iyo yedunhu inotyora yedunhu rega ichida kuongororwa zvakasiyana, dunhu rinogona kupatsanurwa uye kubatanidzwa kune

bhazi rekumira rakaparadzana.

Kunyanya kukosha kwekubatanidza bhazi mbiri ndeyekuchinja bhazi.Izvi zvinotevera zvinoratidza matanho ekushanda nekutora

kuchengetedzwa kwebhazi rekushanda uye rinobuda redunhu semuenzaniso.

(1) Kugadzirisa bhazi rebasa

Kugadzirisa bhazi rinoshanda, zvese zvemagetsi uye mitsetse zvinofanirwa kuchinjirwa kubhazi rekumira.Kuti izvi zviitike, tanga watarisa kana standby

bhazi riri muchimiro chakanaka.Iyo nzira ndeyekubatanidza iyo bhasi tie breaker DL kuita kuti bhazi rekumira rirarame.Kana standby bhazi rine hurombo

insulation kana kukanganisa, muparadzi wedunhu anozvibvisa otomatiki pasi pechiito chekudzivirira relay mudziyo;Kana pasina mhosva

iyo spare bhazi, iyo DL icharamba yakabatana.Panguva ino, sezvo mapoka maviri emabhazi ari equipotential, ese anodimbura pane yekumira

bhazi rinogona kubatanidzwa kutanga, uye ipapo zvose zvinobvisa pabhazi rekushanda zvinogona kubviswa, kuitira kuti kuendeswa kwebhazi kunopedzwa.Pakupedzisira,

bhasi tie breaker DL uye disconnector pakati payo nebhazi rinoshanda rinofanira kubviswa.Kuti azvitsaure kuti zvigadziriswe.

(2) Gadzirisa muparadzi wedunhu pane imwe mutsara unobuda

Fig. 5 Kaviri bhazi kugadzirisa circuit breaker

Paunenge uchikwenenzvera wedunhu rinotyora pane chero mutsara unobuda usingatarisire kuti mutsara udzimurwe kwenguva yakareba, semuenzaniso,

paunenge uchigadzirisa chinotyora chedunhu pamutsara unobuda L muFigure 5, tanga washandisa chinotyora tayi yebhazi DL1 kuyedza kuti bhazi rekumira ririmo.

yakanaka mamiriro, kureva, bvisa DL1, wobva wabvisa DL2 uye bvisa G1 neG2 pamativi ese, wobva wabvisa lead.

chinongedzo chedunhu rinotyora DL2, tsiva redunhu rinotyora DL2 nejumper yenguva pfupi, wobva wabatanidza chinobvisa G3.

yakabatana nebhazi rekumira, Wobva wavhara mutsara wedivi disconnector G1, uye wozovhara bhazi tie breaker DL1, kuti mutsara L uiswe.

kushanda zvakare.Panguva ino, bhasi tie circuit breaker inotsiva basa redunhu rinotyora, kuitira kuti Line L ienderere mberi.

kupa simba.

Kupfupisa, mukana mukuru wemabhazi maviri nderekuti iyo bhazi system inogona kudzokororwa pasina kukanganisa magetsi.Zvisinei,

kubatanidza mabhazi maviri ane zvinotevera zvakaipa:

1) Iyo wiring yakaoma.Kuti upe kutamba kwakazara kune zvakanakira kaviri bhazi kubatana, akawanda ekuchinja mashandiro anofanira kunge ari

kuitwa, kunyanya kana disconnector ichionekwa sechishandiso chemagetsi chinoshanda, chiri nyore kukonzera tsaona huru.

nekuda kwekutadza kushanda zvakanaka.

2) Kana bhazi rinoshanda rakundikana, simba richagurwa kwenguva pfupi panguva yekuchinja kwebhazi.Kunyangwe iyo bhazi inosunga wedunhu breaker inogona

kushandiswa kutsiva wedunhu breaker panguva yekugadzirisa, nguva pfupi kupera simba kuchiri kudikanwa panguva yekuisa uye

kubatana kwejumper bars, iyo isingabvumirwe kune yakakosha vashandisi.

3) Huwandu hwemabhazi anodimburira akawedzera zvakanyanya kana ichienzaniswa nekubatana kwebhazi rimwe chete, nekudaro kuwedzera nzvimbo yepasi yesimba.

midziyo yekugovera uye mari.

5, Kubatanidzwa kwebhazi mbiri ine bypass bhazi

Kuti udzivise kutadza kwemagetsi kwenguva pfupi panguva yekugadzirisa dhizaini, mabhazi maviri ane bypass bhazi anogona kushandiswa, sezvakaratidzwa.

Mufananidzo 6.

Fig. 6 Bhazi rakapetwa kaviri rine bhazi rekupfuura

Bhazi 3 muMufananidzo 6 ndiro bhazi rekunzvenga, uye redunhu rinotyora DL1 ndiro rinotyora dunhu rakabatana nebhazi rekunzvenga.Iri pa off position

panguva yakajairika kushanda.Pazvinenge zvakakodzera kugadzirisa chero dunhu rinotyora, DL1 inogona kushandiswa pachinzvimbo chekukonzera kutadza kwemagetsi.Semuyenzaniso,

kana wedunhu rinotyora DL2 pamutsara L richida kudzokororwa, redunhu rinotyora DL1 rinogona kuvharwa kuti ripe simba bhazi, wozopfuura bhazi.

disconnector G4 inogona kuvharwa, pakupedzisira circuit breaker DL2 inogona kudimburwa, uyezve disconnectors G1, G2, G3 inogona kubviswa.

kugadzirisa DL2.

Mubhazi rimwe chete uye mbiri bhazi yekubatanidza yakatsanangurwa pamusoro, huwandu hwemadunhu edunhu hunowanzo hukuru kupfuura huwandu hwe

matunhu akabatana.Nekuda kwemutengo wepamusoro we-high-voltage circuit breakers, nzvimbo inodiwa yekuisa yakakura zvakare, kunyanya kana

iyo voltage level yakakwira, mamiriro ezvinhu aya anonyanya kuoneka.Nokudaro, nhamba yevanoputsa dunhu ichaderedzwa kusvika pazvinobvira

kubva pakuona kwehupfumi.Kana paine mitsetse mishoma inobuda, kubatana kwebhiriji pasina bhazi kunogona kutariswa.

Kana paine ma transformer maviri chete uye mitsara miviri yekutapurirana mudunhu, mashoma edunhu anotyora anodiwa pakubatanidza bhiriji.

Bridge yekubatanidza inogona kukamurwa kuita "yemukati bhiriji mhando" uye "yekunze bhiriji mhando".

(1) Kubatana kwebhiriji remukati

Iyo wiring diagiramu yemukati yekubatanidza bhiriji inoratidzwa muMufananidzo 7.

Mufananidzo 7 Inner Bridge Wiring

Hunhu hwekubatanidza bhiriji remukati ndewekuti maviri edunhu anotyora DL1 uye DL2 akabatana nemutsara, saka zviri nyore

bvisa uye isa mutsara.Kana mutsara wakundikana, chete dunhu rinotyora remutsara richabviswa, nepo rimwe redunhu uye maviri

transformers inogona kuramba ichishanda.Naizvozvo, kana imwe transformer ikakundikana, maviri edunhu mabhureki akabatanidzwa kune transformer achava

yakabviswa, kuitira kuti mitsetse yakakodzera irege kushanda kwenguva pfupi.Nokudaro, muganhu uyu unowanzoshanda kune mitsetse yakareba uye

ma-transformer asingade kugara achichinja.

(2) Kubatana kwebhiriji rekunze

Iyo wiring dhizaini yemhiri kwemakungwa Chinese wiring inoratidzwa muMufananidzo 8.

Mufananidzo 8 Wekunze Bridge Wiring

Hunhu hwekubatanidza bhiriji rekunze hwakapesana nehwemukati mekubatanidza bhiriji.Kana transformer yakundikana kana inoda

kuti idimburwe panguva yekushanda, chete macircuit breakers DL1 neDL2 anoda kubviswa pasina kukanganisa kushanda kwetambo.

Zvisinei, kana mutsara ukakundikana, zvinokanganisa kushanda kwe transformer.Naizvozvo, rudzi urwu rwekubatanidza rwakakodzera kune iyo kesi iyo

mutsara wacho ipfupi uye transformer inoda kuchinjwa kazhinji.Kazhinji, inoshandiswa zvakanyanya mukutsika-pasi substations.

Kazhinji, kuvimbika kwekubatanidza bhiriji hakuna kunyanya kukwirira, uye dzimwe nguva zvinodikanwa kushandisa ma diconnectors semidziyo yekushandisa.

Nekudaro, nekuda kwemidziyo mishoma inoshandiswa, dhizaini yakapusa uye mutengo wakaderera, ichiri kushandiswa mu35 ~ 220kV yekugovera michina.Mukuwedzera, kwenguva refu

sematanho akakodzera anotorwa ekugadzirisa magetsi ekugovera zvishandiso, rudzi urwu rwekubatanidza runogona kukura kuita bhazi rimwechete kana kaviri

bhazi, saka inogona kushandiswa senge shanduko yekubatanidza padanho rekutanga reprojekiti.