Mitsetse inofambisa simba remagetsi kubva kumagetsi emagetsi kuenda kunzvimbo dzemagetsi uye mitsara yekubatanidza pakati pemagetsi masisitimu anowanzo.

inonzi transmission lines.Iyo mitsva yekufambisa tekinoroji tekinoroji yatiri kutaura nezvayo nhasi haisi nyowani, uye inogona chete kuenzaniswa uye

yakashandiswa gare gare kupfuura mitsetse yedu yakajairika.Mazhinji eaya "nyowani" matekinoroji akakura uye anoshandiswa zvakanyanya mumagetsi edu grid.Nhasi, the common

mafomu ekufambisa mitsara yeanonzi "nyowani" matekinoroji anopfupikiswa sezvizvi:

Yakakura magetsi grid tekinoroji

"Gridhi guru remagetsi" rinoreva tambo yemagetsi yakabatana, hurongwa hwemagetsi akabatana kana hurongwa hwemagetsi hwakabatana hunoumbwa nekubatanidzwa.

emagetsi emagetsi emunharaunda akawanda kana magidhi emagetsi edunhu.The interconnected power system is a synchronous interconnection yenhamba diki

yenzvimbo dzekubatanidza pakati pemagidhi emagetsi edunhu nemagedhi emagetsi enyika;Iyo yakasanganiswa simba system ine maitiro ekurongeka

kuronga uye kutumira maererano nezvibvumirano kana zvibvumirano.Maviri kana anopfuura madiki masisitimu emagetsi akabatanidzwa negedhi remagetsi kuti aenderane

kushanda, iyo inogona kuumba redunhu simba hurongwa.Nhamba yemagetsi ematunhu masisitimu akabatanidzwa nemagetsi magridi kuti aumbe simba rakabatana

system.Iyo yakabatana simba system isimba remagetsi rine kuronga kwakabatana, kuvaka kwakabatana, kutumira kwakabatana uye kushanda.

Iyo hombe yemagetsi gidhi ine hunhu hwekutanga-yakakwira voltage uye Ultra-yakakwira voltage transmission grid, super hombe yekufambisa.

uye kutapurirana kureba.Iyo grid ine yakakwira-voltage AC transmission network, Ultra-yakakwirira voltage AC transmission network uye

ultra-high voltage AC transmission network, pamwe ne-ultra-high voltage DC transmission network uye high-voltage DC transmission network,

kugadzira hurongwa hwemagetsi emazuva ano ane layered, zoned uye yakajeka chimiro.

Iyo muganho weyakanyanya hombe yekutapurirana simba uye kureba-kure kuendesa kune hukama kune yakasikwa simba rekufambisa uye wave impedance.

yemutsetse une voltage level inoenderana.Iyo yakakwirira iyo mutsara voltage level iri, iyo yakakura simba rechisikigo rainotumira, iyo idiki wave wave

impedance, iyo iri kure kure kwekutapurirana chinhambwe uye yakakura iyo yekuvhara siyana iri.Iyo yakasimba yekubatanidza pakati pemagetsi grids

kana redunhu simba magridi ari.Kugadzikana kwegedhi remagetsi ese mushure mekubatanidza kune hukama nekugona kwega rega remagetsi kutsigira imwe neimwe

zvimwe kana zvikatadza, ndiko kuti, iyo yakakura simba rekuchinjana retambo dzetambo pakati pemagetsi emagetsi kana dunhu remagetsi magridi, padyo nekubatana,

uye zvakanyanya kugadzikana kushanda kwegridi.

Iyo gidhi yemagetsi inhare yekutumira inoumbwa nezviteshi zvishoma, zviteshi zvekugovera, tambo dzemagetsi uye mamwe magetsi emagetsi.Pakati pavo,

nhamba huru yetambo dzekufambisa dzine yakakwira voltage level uye zviteshi zvinowirirana zvinoumba musana wekutapurirana grid ye

network.Giridhi yemagetsi yedunhu inoreva gidhi remagetsi ezvidyarwa zvemagetsi zvakakura zvine simba repamusoro rekutonga, senge nhanhatu yeChina yedunhu.

magidhi emagetsi edunhu, uko yega yega gidhi remagetsi redunhu rine mahombe emagetsi ekupisa uye zvidyarwa zvehydropower zvakatumirwa zvakananga neiyo grid bureau.

Compact transmission tekinoroji

Iyo yakakosha musimboti we compact transmission tekinoroji ndeyekugonesa iyo conductor marongero emitsara yekufambisa, kuderedza chinhambwe pakati pezvikamu,

wedzera nzvimbo yemabundle conductors (sub conductors) uye wedzera huwandu hwemabundle conductors (sub conductors, Iyo ihupfumi.

tekinoroji yekufambisa iyo inogona kuvandudza zvakanyanya simba rekutapurirana, uye kutonga kupindira kweredhiyo uye kurasikirwa kwekorona panguva

nhanho inogamuchirika, kuitira kuti uderedze huwandu hwemaseketi ekutepfenyura, kudzvanya hupamhi hwemitsara mikoto, kuderedza kushandiswa kwenyika, nezvimwewo, uye kugadzirisa

kutapurirana simba.

Hunhu hwakakosha hwema compact EHV AC mitsara yekufambisa kana ichienzaniswa neyakajairwa mitsara yekutapurirana ndeiyi:

① Iyo chikamu conductor inotora akawanda kupatsanurwa chimiro uye inowedzera iyo conductor nzvimbo;

② Deredza chinhambwe pakati pezvikamu.Kuti udzivise kupfupika kwedunhu pakati pezvikamu zvinokonzerwa nemhepo yakavhuvhuta conductor vibration, spacer inoshandiswa

gadzirisa chinhambwe pakati pezvikamu;

③ Iyo danda neshongwe chimiro chisina furemu ichagamuchirwa.

Iyo 500kV Luobai I-circuit AC transmission line iyo yakatora tekinoroji yekompakiti yekufambisa ndiyo Luoping Baise chikamu che500kV.

Tianguang IV wedunhu kutapurirana uye shanduko chirongwa.Inguva yekutanga muChina kutora tekinoroji iyi munzvimbo dzakakwirira uye refu-

kureba mitsetse.Iyo purojekiti yekufambisa nekushandura magetsi yakatanga kushanda muna Chikumi 2005, uye yakagadzikana parizvino.

Iyo compact transmission tekinoroji haigone kungovandudza zvakanyanya simba rekutapurirana, asi zvakare kuderedza kutapurirana kwemagetsi

corridor ne27.4 mu per kilometer, iyo inogona kunyatso kudzikisa huwandu hwekutema miti, muripo wezvirimwa zvidiki uye kuputswa kweimba, ne

zvakakosha zvehupfumi nemagariro.

Parizvino, China Southern Power Grid iri kusimudzira kushandiswa kwehunyanzvi hwekufambiswa kwemagetsi mu500kV Guizhou Shibing kuenda kuGuangdong.

Xianlingshan, Yunnan 500kV Dehong nemamwe mapurojekiti ekufambisa nekushandura magetsi.

HVDC kutapurirana

HVDC kutapurirana kuri nyore kuona asynchronous networking;Iyo ine hupfumi kupfuura AC kutapurirana pamusoro peiyo yakakosha yekufambisa chinhambwe;

Iyo imwechete mutsara corridor inogona kufambisa simba rakawanda kupfuura AC, saka inoshandiswa zvakanyanya mukureba-kure yakakura kutapurirana, simba system networking,

kureba-kure submarine tambo kana yepasi pevhu tambo kufambisa mumaguta makuru, mwenje DC kutapurirana mukugovera network, nezvimwe.

Yemazuva ano magetsi ekufambisa sisitimu anowanzo kuumbwa ne-ultra-high voltage, ultra-high voltage DC transmission uye AC transmission.UHV uye UHV

DC yekufambisa tekinoroji ine hunhu hwehurefu hwekutapurirana chinhambwe, hombe yekutapurirana simba, inochinjika kutonga uye nyore kutumira.

Kumapurojekiti ekutapurirana kweDC ane simba rekutapurirana simba rinosvika 1000km uye simba rekufambisa remagetsi risingapfuure mamirioni matatu kW,

± 500kV voltage level inowanzogamuchirwa;Kana simba rekufambisa simba richipfuura 3 miriyoni kW uye kureba kwekufambisa kwemagetsi kunodarika

1500km, iyo voltage level ye ± 600kV kana pamusoro inowanzogamuchirwa;Kana iyo yekufambisa kureba inosvika 2000km, inofanirwa kufunga

mazinga emagetsi epamusoro kuti ashandise zvizere mitsara yemukoridho zviwanikwa, kuderedza huwandu hwemaseketi ekutapurirana uye kuderedza kurasikirwa kwekutapurirana.

HVDC kutapurirana tekinoroji ndeyekushandisa yakakwirira-simba masimba emagetsi zvikamu, senge yakakwira-voltage yakakwira-simba thyristor, turnoff silicon inodzorwa.

GTO, insulated gedhi bipolar transistor IGBT uye zvimwe zvikamu kuti zvigadzire kugadzirisa uye inversion zvishandiso kuti uwane yakakwirira-voltage, kureba kureba.

kufambisa kwemagetsi.Tekinoroji dzinoenderana dzinosanganisira tekinoroji yemagetsi emagetsi, tekinoroji yemicroelectronics, tekinoroji yekudzora komputa, nyowani

insulation zvinhu, optical fiber, superconductivity, simulation uye simba system kushanda, kutonga uye kuronga.

HVDC transmission system ndiyo yakaoma system inoumbwa ne converter valve group, converter transformer, DC filter, smoothing reactor, DC transmission.

mutsara, magetsi sefa pa AC side uye DC divi, reactive simba muripo mudziyo, DC switchgear, kudzivirira uye kudzora mudziyo, ebetsero michina uye

zvimwe zvikamu (systems).Iyo inonyanya kuumbwa maviri anoshandura zviteshi uye DC mitsetse yekufambisa, iyo yakabatana neAC masisitimu kumagumo ese.

Iyo yakakosha tekinoroji yeDC kutapurirana yakatarisana neinoshandura chiteshi midziyo.Iyo inoshandura chiteshi inoona kutendeuka kwakabatana kweDC uye

AC.Iyo inoshandura chiteshi inosanganisira rectifier chiteshi uye inverter chiteshi.Iyo rectifier chiteshi inoshandura matatu-chikamu AC simba kuita DC simba, uye iyo

inverter station inoshandura DC simba kubva kuDC mitsetse kuita AC simba.Iyo inoshandura vharafu ndiyo yakakosha mudziyo kuona shanduko pakati peDC neAC

mu converter station.Mukushanda, iyo inoshandura ichagadzira yakakwira-yakarongeka maharmonics pamativi ese AC nedivi reDC, zvichikonzera kukanganisa kunokanganisa,

kusagadzikana kutonga kwemidziyo inoshandura, kupisa kwejenareta uye capacitors, uye kupindira nehurongwa hwekutaurirana.Naizvozvo, kudzvinyirira

matanho anofanira kutorwa.Sefa yakaiswa mune inoshandura chiteshi cheiyo DC transmission system kuti itore yakakwirira-odha maharmonics.Mukuwedzera pakunyura

harmonics, iyo sefa padivi re AC inopawo imwe yakakosha reactive simba, DC padivi sefa inoshandisa inotsvedza reactor kudzikamisa harmonic.

Converter station

UHV kutapurirana

UHV kufambisa kwemagetsi ine hunhu hwesimba rakakura rekutapurirana simba, kureba kwekufambisa simba kureba, kuvharika kwakafara, mutsara wekuchengetedza.

mikoto, kurasikirwa kwekutapurirana kudiki, uye kuwana huwandu hwakakura hwekugadzirisa zviwanikwa.Iyo inogona kuumba iyo yekumusana grid yeUHV simba

grid zvinoenderana nekugovera kwemagetsi, dhizaini dhizaini, kutakura simba, kuchinjanisa magetsi uye zvimwe zvinodiwa.

UHV AC uye UHV DC kutapurirana vane zvazvakanakira.Kazhinji, kufambisa kweUHV AC kwakakodzera kuvakwa kwegridi yemagetsi akakwira

level uye mhiri dunhu tie mitsetse yekuvandudza kugadzikana kwehurongwa;Iyo UHV DC kutapurirana kwakakodzera kune yakakura kugona kureba

kufambiswa kwezviteshi zvakakura zvemagetsi emagetsi uye zviteshi zvakakura zvemagetsi emarasha kuvandudza hupfumi hwekuvaka tambo dzekufambisa.

UHV AC yekufambisa mutsara ndeye yunifomu refu mutsara, iyo inoratidzwa neiyo kuramba, inductance, capacitance uye conductance.

pamwe nemutsara zvinoenderera uye zvakagoverwa pamutsara wese wekutapurirana.Paunenge uchikurukura matambudziko, maitiro emagetsi e

mutsara unowanzotsanangurwa nekupikisa r1, inductance L1, capacitance C1 uye conductance g1 per unit urefu.Iyo hunhu impedance

uye kuparadzira coefficient yeunifomu refu mitsetse yekufambisa inowanzoshandiswa kufungidzira kugadzirira kwekushanda kweEHV mitsetse yekufambisa.

Flexible AC transmission system

Flexible AC transmission system (FACTS) ndeye AC yekufambisa sisitimu inoshandisa yazvino magetsi emagetsi tekinoroji, microelectronics tekinoroji,

tekinoroji yekukurukurirana uye tekinoroji yemazuva ano yekudzora tekinoroji uye nekukurumidza kugadzirisa uye kudzora kuyerera kwesimba uye ma parameter emagetsi system,

kuwedzera system controllability uye kunatsiridza kutapurirana simba.FACTS tekinoroji tekinoroji nyowani yeAC, inozivikanwawo seinochinjika

(kana inoshanduka) tekinoroji yekudzora tekinoroji.Iko kushandiswa kweiyo FACTS tekinoroji haigone chete kudzora kuyerera kwesimba muhukuru hwakakura uye kuwana

yakanakira kuyerera kwemagetsi kugovera, asi zvakare inosimudzira kugadzikana kwesimba remagetsi, nekudaro kuvandudza kugona kwekutapurirana kwetambo yekufambisa.

Iyo FACTS tekinoroji inoshandiswa kune yekugovera sisitimu yekuvandudza kunaka kwesimba.Inonzi flexible AC transmission system DFACTS ye

iyo yekugovera sisitimu kana mutengi simba tekinoroji CPT.Mune mamwe mabhuku, inodaidzwa kuti fixed quality power technology kana customized power

teknolojia.