Kulumikizana kwakukulu kwamagetsi kumatanthawuza dera lomwe lapangidwa kuti likumane ndi kutumizirana mphamvu ndi ntchito zomwe zidakonzedweratu

zofunikira m'mafakitale amagetsi, malo ocheperako ndi makina amagetsi, ndipo zikuwonetsa mgwirizano wolumikizana pakati pamagetsi othamanga kwambiri

zida.Kulumikizana kwakukulu kwamagetsi ndi magetsi otumizira ndi kugawa dera ndi mizere yolowera ndi yotuluka

ya magetsi monga ulalo woyambira ndi basi ngati ulalo wapakatikati.

Nthawi zambiri, mawaya akuluakulu amagetsi ndi malo ocheperako adzakwaniritsa zofunika izi:

1) Onetsetsani kudalirika kwamagetsi ofunikira komanso mtundu wamagetsi malinga ndi zofunikira zamakina ndi ogwiritsa ntchito.Mwayi wochepa

kusokoneza mokakamizidwa kwa magetsi panthawi yogwira ntchito, kumapangitsanso kudalirika kwa mawaya akuluakulu.

2) Wiring waukulu udzakhala wosinthika kuti ukwaniritse zofunikira za machitidwe osiyanasiyana amagetsi ndi zida zazikulu, ndi

idzakhalanso yabwino kukonza.

3) Mawaya akuluakulu azikhala osavuta komanso omveka bwino, ndipo ntchitoyo ikhale yabwino, kuti muchepetse njira zogwirira ntchito zofunika

kulowetsa kapena kuchotsa zigawo zikuluzikulu.

4) Pansi pa zomwe zili pamwambapa, ndalama zogulira ndi ntchito ndizochepa.

5) Kuthekera kwa kukulitsa.

Pakakhala mizere yambiri yolowera ndi yotuluka (mabwalo opitilira 4), kuti athandizire kusonkhanitsa ndi kugawa mphamvu zamagetsi,

basi nthawi zambiri imayikidwa ngati ulalo wapakatikati.

Kuphatikizira: kulumikizana kwa basi imodzi, kulumikizana kwa mabasi awiri, kulumikizana kwa 3/2, kulumikizana kwa 4/3, kulumikizana kwamagulu a mabasi a transformer.

Pamene chiwerengero cha mizere yolowera ndi yotuluka ndi yaying'ono (yochepera kapena yofanana ndi maulendo 4), kuti mupulumutse ndalama, palibe basi yomwe ingakhazikitsidwe.

Kuphatikizapo: mawaya a unit, wiring mlatho ndi ma angle wiring.

1, Kulumikizana kwa basi imodzi

Kulumikizana ndi gulu limodzi lokha la mabasi kumatchedwa kulumikiza basi imodzi, monga momwe tawonetsera pa Chithunzi 1.

Chithunzi cha 1 Schematic cholumikizira basi imodzi

Makhalidwe a kugwirizana kwa basi imodzi ndikuti magetsi ndi magetsi amagwirizanitsidwa pa gulu lomwelo la mabasi.Mu

kuti muyatse kapena kudula mzere uliwonse womwe ukubwera kapena wotuluka, kutsogolera kulikonse kumakhala ndi chotchingira dera chomwe chimatha kutsegula kapena kutseka dera.

pansi pazikhalidwe zosiyanasiyana zogwirira ntchito (monga momwe ziwonetsedwera mu DL1 mu Chithunzi 1).Pamene kuli kofunikira kukhalabe wosweka dera ndi kuonetsetsa

mphamvu yanthawi zonse ya mizere ina, ma switch odzipatula (G1 ～ G4) aziyika mbali zonse za wophwanya dera lililonse.Ntchito ya

disconnector ndikuwonetsetsa kuti wowononga dera atalikirana ndi magawo ena amoyo panthawi yokonza, koma kuti asadutse magetsi pamagetsi.

dera.Monga wophwanya dera ali ndi chipangizo chozimitsa arc, koma cholumikizira sichimatero, cholumikiziracho chiyenera kutsatira mfundo ya

"pangani musanapume" panthawi yogwira ntchito: pogwirizanitsa dera, cholumikizira chiyenera kutsekedwa choyamba;Kenako kutseka wosweka dera;

Mukadula chigawocho, chowotcha dera chiyenera kuchotsedwa poyamba, ndiyeno cholumikizira.Komanso, disconnector akhoza

kuyendetsedwa mu equipotential state.

Ubwino waukulu wa kulumikizana kwa basi imodzi: yosavuta, yodziwikiratu, yosavuta kugwiritsa ntchito, yosavuta kusokoneza, ndalama zochepa, komanso zosavuta kukulitsa.

Kuipa kwakukulu kwa basi imodzi: cholumikizira mabasi chikalephera kapena kusinthidwa, magetsi onse ayenera kuchotsedwa, zomwe zimapangitsa

kulephera kwamphamvu kwa chipangizo chonsecho.Kuonjezera apo, pamene wowononga dera akuwongolera, dera liyeneranso kuyimitsidwa panthawi yonseyi

nthawi yokonzanso.Chifukwa cha zolakwika zomwe zili pamwambazi, kugwirizana kwa basi imodzi sikungathe kukwaniritsa zofunikira za magetsi kwa ogwiritsa ntchito ofunika.

Kuchuluka kwa ntchito yolumikizira basi imodzi: imagwira ntchito kumagetsi ang'onoang'ono ndi apakatikati kapena malo ochepera okhala ndi jenereta imodzi yokha.

kapena thiransifoma imodzi yaikulu ndi mabwalo ochepa otuluka mu machitidwe a 6 ~ 220kV.

2. Kulumikizana kwagawo kwa basi imodzi

Kuipa kolumikizira basi imodzi kumatha kugonjetsedwa ndi njira yachigawo, monga momwe chithunzi 2 chikusonyezera.

Mkuyu 2 Mawaya Agawo a Mabasi Amodzi

Pamene woyendetsa dera aikidwa pakati pa basi, basi imagawidwa m'magawo awiri, kotero kuti ogwiritsa ntchito ofunikira athe kuyendetsedwa ndi

mizere iwiri yolumikizana ndi magawo awiri a basi.Gawo lililonse la basi likalephera, ogwiritsa ntchito onse ofunika sadulidwa.Komanso, awiri basi

magawo akhoza kutsukidwa ndi kusinthidwa mosiyana, zomwe zingachepetse kulephera kwa mphamvu kwa ogwiritsa ntchito.

Chifukwa mawaya agawo la basi imodzi sikuti amangosunga zabwino za waya wa basi imodzi yokha, monga kuphweka, chuma ndi

mosavuta, komanso imathandizira zovuta zake pamlingo wina, ndipo kusinthasintha kwa magwiridwe antchito kumakhala bwino (imatha kugwira ntchito limodzi kapena

mizati yosiyana), njira yolumikizira iyi yakhala ikugwiritsidwa ntchito kwambiri.

Komabe, mawaya am'mabasi amodzi alinso ndi vuto lalikulu, ndiye kuti, gawo la basi kapena cholumikizira mabasi ikalephera.

kapena ikasinthidwa, mayendedwe onse olumikizidwa ndi basi adzazimitsidwa kwa nthawi yayitali pakukonzanso.Mwachiwonekere, izi ndizosaloledwa

makina opangira mphamvu zazikulu komanso malo ocheperako.

Kuchuluka kwa mawaya a magawo a basi imodzi: kumagwira ntchito pa mawaya a 6 ~ 10kV amagetsi ang'onoang'ono ndi apakatikati ndi ma 6 ~ 220kV mawaya.

3, Basi imodzi yokhala ndi kulumikizidwa kwa basi

Basi imodzi yokhala ndi mabasi odutsa ikuwonetsedwa pa chithunzi 3.

Chithunzi 3 Basi imodzi yokhala ndi basi yodutsa

Ntchito ya mabasi odutsa: kukonza zowononga madera aliwonse omwe akubwera komanso otuluka amatha kuchitidwa popanda kulephera kwamagetsi.

Masitepe okonza mosadukiza kwa wophwanya dera QF1:

1) Gwiritsani ntchito bypass circuit breaker QF0 kulipiritsa bypass basi W2, kutseka QSp1 ndi QSp2, kenako kutseka GFp.

2) Mutatha kulipiritsa bwino, pangani chodutsa chodutsa QF1 ndi bypass circuit breaker QF0 kugwira ntchito limodzi ndikutseka QS13.

3) Tulukani wophwanya dera QF19 ndikukoka QF1, QS12 ndi QS11.

4) Yendetsani waya pansi (kapena mpeni) kumbali zonse za QF1 kuti mukonze.

Mfundo zoimitsa mabasi odutsa:

1) mizere ya 10kV nthawi zambiri samayimitsidwa chifukwa ogwiritsa ntchito ofunikira amathandizidwa ndi mphamvu ziwiri;Mtengo wa 10kV circuit

chosweka ndi chochepa, ndipo chowotcha chapadera choyimilira ndi chophwanyira chapamanja chikhoza kukhazikitsidwa.

2) mizere ya 35kV nthawi zambiri samamangidwa pazifukwa zomwezo, koma izi zitha kuganiziridwanso:

maulendo ambiri otuluka (kuposa 8);Pali ogwiritsa ntchito ofunikira komanso magetsi amodzi.

3) Pamene pali mizere yambiri yotuluka ya 110kV ndi pamwamba, imamangidwa chifukwa cha nthawi yayitali yokonza.

ophwanya dera (masiku 5-7);Chikoka cha kuzima kwa mizere ndi kwakukulu.

4) Mabasi a bypass sanakhazikitsidwe m'mafakitale ang'onoang'ono komanso apakatikati a hydropower chifukwa kukonza kwa chowotcha.

kukonzedwa mu nyengo ya madzi owawa.

4, Kulumikizana kwa basi kawiri

Njira yolumikizira mabasi awiri ikuperekedwa chifukwa cha zofooka za kulumikizana kwa gawo limodzi la basi.Njira yake yolumikizirana ndiyofunikira

zomwe zikuwonetsedwa mu Chithunzi 4, ndiko kuti, kuwonjezera pa basi yogwira ntchito 1, gulu la basi 2 likuwonjezeredwa.

Chithunzi 4 Kulumikizana kwa basi kawiri

Popeza pali magulu awiri a mabasi, angagwiritsidwe ntchito ngati standby kwa wina ndi mzake.Magulu awiri a mabasi amalumikizidwa ndi tayi ya basi

wowononga dera DL, ndipo dera lililonse limalumikizidwa ndi magulu awiri a mabasi kudzera pa chophwanyika ndi zolumikizira ziwiri.

Panthawi yogwira ntchito, cholumikizira cholumikizidwa ku basi yogwira ntchito chimalumikizidwa ndipo cholumikizira chimalumikizidwa ndi basi yoyimilira

yachotsedwa.

Mawonekedwe olumikizira mabasi awiri:

1) Musinthane kukonza basi popanda kusokoneza magetsi.Pokonza cholumikizira basi cha dera lililonse, kokha

kulumikiza dera.

2) Pamene basi yogwira ntchito ikulephera, madera onse amatha kusamutsidwa ku basi yoyimilira, kuti chipangizocho chibwezeretse mphamvu mwamsanga.

3) Pokonza woyendetsa dera la dera lililonse, mphamvu yamagetsi yamagetsi sidzasokonezedwa kwa nthawi yaitali.

4) Pamene wowononga dera aliyense ayenera kuyesedwa padera, dera likhoza kupatulidwa ndikugwirizanitsidwa ndi

basi standby payokha.

Ntchito yofunika kwambiri yolumikizira mabasi awiri ndikusinthira basi.Zotsatirazi zikuwonetsa masitepe ogwirira ntchito potengera

kukonza mabasi ogwira ntchito ndi oyenda dera otuluka mwachitsanzo.

(1) Basi yokonza ntchito

Kuti akonze basi yogwira ntchito, magetsi onse ndi mizere iyenera kusinthidwa kupita ku basi yoyimilira.Kuti zimenezi zitheke, choyamba fufuzani ngati standby

basi ili bwino.Njirayi ndikulumikiza chobowola mabasi DL kuti basi yoyimilirayo ikhale.Ngati mabasi oyimirira ali osauka

kusungunula kapena kulakwitsa, wophwanya dera amangolumikizana ndi chipangizo choteteza;Pamene palibe cholakwika

basi yopuma, DL ikhalabe yolumikizidwa.Panthawi imeneyi, popeza magulu awiri a mabasi ndi equipotential, onse disconnectors pa standby

basi ikhoza kulumikizidwa poyamba, ndiyeno zolumikizira zonse pa basi yogwira ntchito zitha kulumikizidwa, kuti kusuntha kwa basi kumalize.Pomaliza,

cholumikizira mabasi DL ndi cholumikizira pakati pake ndi basi yogwira ntchito ziyenera kulumikizidwa.Kuti adzipatula kuti azisamalira.

(2) Konzani chodulira dera pamzere umodzi wotuluka

Chithunzi cha 5 Woyendetsa mabasi awiri

Mukakonza chophwanyira dera pamzere uliwonse wotuluka popanda kuyembekezera kuti mzerewo uzimitsidwa kwa nthawi yayitali, mwachitsanzo,

pokonza chophwanyira dera pa mzere wotuluka L pachithunzi 5, choyamba gwiritsani ntchito chodulira mabasi DL1 kuti muyese ngati basi yalowa.

zabwino, ndiye kuti, kulumikiza DL1, ndiye kulumikiza DL2 ndi disconnectors G1 ndi G2 mbali zonse, ndiye kulumikiza kutsogolo

cholumikizira cha wosweka dera DL2, m'malo wophwanya dera DL2 ndi kudumpha kwakanthawi, kenako ndikulumikiza cholumikizira G3.

yolumikizidwa ndi basi yoyimilira, Kenako tsekani cholumikizira cha mbali ya mzere G1, ndipo pamapeto pake mutseke chobowola basi DL1, kuti mzere L uyikidwe.

kugwira ntchito kachiwiri.Panthawiyi, wobowola mabasi amalowa m'malo mwa wophwanya dera, kuti Line L ipitirire.

kupereka mphamvu.

Mwachidule, mwayi waukulu wa mabasi awiri ndikuti mabasi amatha kusinthidwa popanda kukhudza magetsi.Komabe,

kulumikiza mabasi awiri kuli ndi zovuta izi:

1) Wiring ndizovuta.Kuti mupereke kusewera kwathunthu ku zabwino za kulumikizana kwa mabasi awiri, ntchito zambiri zosinthira ziyenera kukhala

kuchitidwa, makamaka pamene cholumikizira chimatengedwa ngati chida chogwiritsira ntchito magetsi, chomwe ndi chosavuta kuyambitsa ngozi zazikulu.

chifukwa cha misoperation.

2) Pamene basi yogwira ntchito ikulephera, mphamvu idzadulidwa kwa kanthawi kochepa panthawi ya basi.Ngakhale mabasi oyendetsa dera amatha

kugwiritsidwa ntchito m'malo ophwanyira dera panthawi yokonza, kuzima kwamagetsi kwakanthawi kochepa kumafunikabe pakukhazikitsa ndi

kugwirizana kwa mipiringidzo ya jumper, yomwe sikuloledwa kwa ogwiritsa ntchito ofunika.

3) Chiwerengero cha zolumikizira mabasi chikuchulukirachulukira poyerekeza ndi kulumikizana kwa basi imodzi, motero kumawonjezera mphamvu yapansi.

zida zogawa ndi ndalama.

5, Kulumikizana kwa mabasi awiri ndi basi yodutsa

Pofuna kupewa kulephera kwamagetsi kwakanthawi kochepa pakukonza chophwanyira dera, mabasi apawiri okhala ndi mabasi a bypass atha kugwiritsidwa ntchito, monga zikuwonekera.

mu Chithunzi 6.

Chithunzi 6 Mabasi awiri omwe ali ndi njira yolumikizira basi

Basi 3 pachithunzi 6 ndiye yodutsa basi, ndipo wodutsa dera DL1 ndiye wodutsa wolumikizidwa ndi basi yodutsa.Ili pamalo opanda pake

pa ntchito yachibadwa.Pakafunika kukonza chophwanyika chilichonse, DL1 ikhoza kugwiritsidwa ntchito m'malo moyambitsa kulephera kwamagetsi.Mwachitsanzo,

pamene wowononga dera DL2 pa mzere L akuyenera kukonzedwanso, wophwanya dera DL1 akhoza kutsekedwa kuti apatse mphamvu basi, kenako bypass basi.

cholumikizira G4 chikhoza kutsekedwa, potsiriza wowononga dera DL2 akhoza kulumikizidwa, ndiyeno zolumikizira G1, G2, G3 zitha kulumikizidwa.

kusintha DL2.

Mu basi imodzi ndi mabasi awiri olumikizira omwe afotokozedwa pamwambapa, kuchuluka kwa ophwanya madera nthawi zambiri kumakhala kokulirapo kuposa kuchuluka kwa

mabwalo olumikizidwa.Chifukwa cha mtengo wokwera wamagetsi othamanga kwambiri, malo oyikapo ofunikira amakhalanso aakulu, makamaka pamene

mlingo wa voteji ndi wokwera, izi zikuwonekera kwambiri.Choncho, chiwerengero cha ophwanya dera chidzachepetsedwa momwe angathere

pazachuma.Pakakhala mizere yochepa yotuluka, kulumikizana kwa mlatho popanda basi kumatha kuganiziridwa.

Pakakhala ma transformer awiri okha ndi mizere iwiri yopatsirana mozungulira, zomangira zocheperako zimafunikira kuti mulumikizane ndi mlatho.

Kulumikizana kwa mlatho kumatha kugawidwa mu "mtundu wa mlatho wamkati" ndi "mtundu wa mlatho wakunja".

(1) Kulumikizana kwa mlatho wamkati

Chithunzi cha mawaya cha kulumikizana kwa mlatho wamkati chikuwonetsedwa mu Chithunzi 7.

Chithunzi 7 Mawaya a Mlatho Wamkati

Mawonekedwe a kulumikizana kwa mlatho wamkati ndikuti ma circulation awiri DL1 ndi DL2 amalumikizidwa ndi mzere, kotero ndikosavuta

chotsani ndikulowetsa mzerewo.Mzerewo ukalephera, wophwanya dera yekha ndiye adzachotsedwa, pomwe dera lina ndi ziwiri

thiransifoma akhoza kupitiriza kugwira ntchito.Chifukwa chake, pomwe thiransifoma imodzi ilephera, zida ziwiri zolumikizidwa ndi thiransifoma zidzakhala

kulumikizidwa, kotero kuti mizere yoyenera isakhale yogwira ntchito kwakanthawi kochepa.Choncho, malire amenewa zambiri ntchito mizere yaitali ndi

ma thiransifoma omwe safuna kusintha pafupipafupi.

(2) Kulumikizana kwa mlatho wakunja

Chithunzi cha mawaya a mawaya aku China akunja akuwonetsedwa Chithunzi 8.

Chithunzi 8 Mawaya a Mlatho Wakunja

Makhalidwe a kugwirizana kwa mlatho wakunja amatsutsana ndi kugwirizana kwa mlatho wamkati.Pamene transformer ikulephera kapena ikufunika

kuti athetsedwe panthawi yogwira ntchito, ophwanya ma circuit DL1 ndi DL2 okha ayenera kudulidwa popanda kusokoneza ntchito ya mzere.

Komabe, pamene mzerewo ukulephera, zidzakhudza ntchito ya transformer.Choncho, kugwirizana kotereku ndi koyenera pamene

mzerewu ndi waufupi ndipo thiransifoma iyenera kusinthidwa pafupipafupi.Nthawi zambiri, amagwiritsidwa ntchito kwambiri m'malo otsika.

Kawirikawiri, kudalirika kwa kugwirizana kwa mlatho sikokwera kwambiri, ndipo nthawi zina ndikofunikira kugwiritsa ntchito zolumikizira ngati zida zogwirira ntchito.

Komabe, chifukwa cha zida zochepa zomwe zimagwiritsidwa ntchito, mawonekedwe osavuta komanso otsika mtengo, zimagwiritsidwabe ntchito pazida zogawa za 35 ~ 220kV.Komanso, motalika

monga njira zoyenera zimatengedwa pakupanga zida zogawa magetsi, kulumikizana kwamtunduwu kumatha kukhala basi imodzi kapena iwiri

basi, kotero ingagwiritsidwe ntchito ngati kugwirizana kwa kusintha pa gawo loyamba la polojekiti.