Umonakalo wokungalingani komthwalo wezigaba ezintathu kwisiguquli sokusasazwa

I. Umonakalo wokungalingani komthwalo wezigaba ezintathu kwisiguquli sokusasazwa

1. Ukwanda kokulahleka komgca: ukulahleka komthwalo we-transformer yosasazo kuyatshintsha kunye nomsinga womthwalo we-transformer, kwaye kuhambelana nesikwere somsinga womthwalo. Kwimeko ye-transformer ehambisa umthamo ofanayo, umthwalo wezigaba ezintathu awulingani, kwaye ukulahleka okusebenzayo kuyanda.

Ukongeza, kuya kubakho ukulahleka kwamandla kwintambo. Okukhona ukungalingani kukhulu, kokukhona ukulahleka komgca kukhulu.

2. Yandisa ukulahleka kwamandla kwe-transformer yosasazo: i-transformer yosasazo sesona sixhobo siphambili sombane kwigridi yamandla ene-voltage ephantsi. Xa isebenza phantsi komthwalo wezigaba ezintathu ongalinganiyo, ukulahleka kwe-transformer yosasazo kuya kwanda. Kuba ukulahleka kwamandla kosasazo kuyatshintsha ngokwezinga lokungalingani komthwalo.

3. Ukwehla kokuphuma kwetransformer yokusasaza: xa itransformer yokusasaza iyilwe, isakhiwo sayo sokujika siyilwe ngokwemeko yokusebenza kwebhalansi yomthwalo, kwaye ukusebenza kwayo kokujika kuyafana, kwaye amandla alinganisiweyo esigaba ngasinye ayalingana.

Ubungakanani obuphezulu bokuphuma kwe-transformer yokusasaza bunqunyelwe kumthamo olinganisiweyo wesigaba ngasinye. Ukuba i-transformer yokusasaza isebenza phantsi komthwalo ongalinganiyo wesigaba sesithathu, isigaba esinomthwalo olula siya kuba nomthamo ongaphezulu, ngaloo ndlela kunciphisa imveliso ye-transformer yokusasaza.

Umlinganiselo wokunciphisa imveliso unxulumene nomlinganiselo wokungalingani komthwalo wezigaba ezintathu. Okukhona umthwalo wezigaba ezintathu ungalinganiyo umkhulu, kokukhona imveliso yetransformer yokusasaza iyancipha. Ke ngoko, xa umthwalo wezigaba ezintathu ungalingani, umthamo wokuphuma wetransformer awunakufikelela kwixabiso elilinganisiweyo, kwaye umthamo wayo oseleyo uyancitshiswa ngokufanelekileyo, kwaye umthamo wokugqithisa nawo uyancitshiswa.

Ukuba i-distribution transformer isebenza phantsi kwemeko yokuxinana kakhulu, kulula ukubangela ukuba i-distribution transformer ifudumale, kwaye ide ibangele ukuba i-distribution transformer itshise kwiimeko ezinzima.

4. I-distribution transformer ivelisa i-zero sequence current: i-distribution transformer isebenza phantsi kwemeko yomthwalo wesigaba sesithathu ongalinganiyo, iya kuvelisa i-zero sequence current, i-current iya kutshintsha ngokwezinga lokungalingani komthwalo wesigaba sesithathu, okukhona i-imbalance degree inkulu, kokukhona i-zero sequence current inkulu.

Xa umsinga we-zero sequence udlula kwilungu lentsimbi, uza kuvelisa i-hysteresis kunye nokulahleka komsinga we-eddy, okuya kwenza ubushushu bendawo yelungu lentsimbi losasazo lutshintshe luze lufudumale, kwaye i-winding insulation iya kukhawulezisa ukuguga ngenxa yokushisa kakhulu, nto leyo ekhokelela ekunciphiseni ubomi bezixhobo.

5. Ichaphazela ukusebenza ngokukhuselekileyo kwezixhobo zombane: I-transformer yokusasaza yenzelwe ngokwemeko yokusebenza yokulinganisela umthwalo wesigaba sesithathu, kwaye ukumelana, ukuphendula kokuvuza kunye nokuphazamiseka kokujija kwesigaba ngasinye kuyafana.

Xa i-transformer isebenza kwi-three-phase load balance, i-three-phase current yayo ilingana ngokusisiseko, kwaye ukuhla kwe-voltage yesigaba ngasinye ngaphakathi kwi-transformer kuyafana ngokusisiseko, ngoko ke i-three-phase voltage output ye-transformer nayo iyalingana.

Ukuba i-transformer yokusasaza isebenza ngokungalingani komthwalo wesigaba sesithathu, umsinga wokuphuma wesigaba ngasinye awulingani, kwaye ukuhla kwe-voltage yangaphakathi yesigaba sesithathu ye-transformer yokusasaza akulingani, nto leyo eya kukhokelela ekungalinganini kwesigaba sesithathu kwe-voltage yokukhupha ye-transformer yokusasaza.

Kwangaxeshanye, i-distribution transformer isebenza kumthwalo wezigaba ezintathu ongalinganiyo, umsinga wokuphuma wezigaba ezintathu wahlukile, kwaye umgca ongathathi cala uya kuba nomsinga odlulayo. Ngaloo ndlela umgca ongathathi cala uvelisa ukwehla kwe-impedance voltage, okubangela ukushukuma kwe-neutral point, okubangela utshintsho lwe-phase voltage, nto leyo ebeka emngciphekweni ukusebenza ngokukhuselekileyo kwezixhobo zombane.

6. Ukusebenza kakuhle kwemoto: i-transformer yokusasaza isebenza phantsi kwemeko yomthwalo wezigaba ezintathu ongalinganiyo, nto leyo eya kubangela i-voltage yokuphuma yezigaba ezintathu engalinganiyo. Xa i-voltage engalinganiyo ingena kwimoto, i-voltage ye-negative sequence ivelisa i-magnetic field ejikelezayo echasene ne-magnetic field ejikelezayo eveliswa yi-voltage ye-positive sequence, esebenza njenge-brake.

Kodwa ngenxa yokuba intsimi yemagnethi elungileyo inamandla kakhulu kunentsimi yemagnethi engalunganga, imoto isajikeleza kwicala lentsimi yemagnethi elungileyo. Nangona kunjalo, ngenxa yesiphumo sokubhuleka kwentsimi yemagnethi engalunganga, amandla okukhupha emoto aya kuncitshiswa, kwaye ukusebenza kakuhle kwemoto kuya kuncitshiswa.

Kwangaxeshanye, ukunyuka kwamaqondo obushushu kunye nokulahleka kwamandla okusabela kwemoto kuya kwanda ngokungalingani kwevolthi yezigaba ezintathu. Ke ngoko, akulunganga kwaye akukhuselekanga ukuba imoto isebenze phantsi kwemeko yevolthi yezigaba ezintathu engalinganiyo.

II. Izizathu zomthwalo ongalinganiyo wezigaba ezintathu

(1) Ukungaqondi ngokwaneleyo ukubaluleka kokulinganisela umthwalo wezigaba ezintathu. Abasebenzi bolawulo kulawulo abazange balandele imithetho nemigaqo ngokungqongqo, bangayenzi imiqathango yovavanyo.

(2) inani elikhulu lezixhobo zombane zesigaba esinye. Kwiminyaka yakutshanje, inani elikhulu lezixhobo zombane zesigaba esinye ezikumgangatho ophezulu nezinamandla aphezulu ziye zangena kwikhaya eliqhelekileyo. Xa ukusetyenziswa kwamandla komthwalo wesigaba esinye kusanda kakhulu kwaye amathuba okusetyenziswa ngaxeshanye engahambelani, inqanaba lokungalingani komthwalo wesigaba sesithathu wegridi yamandla e-voltage ephantsi linokwanda.

(3) Njengoko abasebenzi bolawulo bengaqhelananga nemithetho etshintshayo kunye nokusasazwa komthwalo wezigaba ezintathu kwindawo yeqonga, ukusetyenziswa kwabasebenzisi abatsha besigaba esinye, ingakumbi izixhobo ezinkulu zesigaba esinye, akunakusasazwa ngendlela elinganayo ngokomthwalo wezigaba ezintathu.

(4) Ukusetyenziswa kwamandla okwethutyana kunye nokusetyenziswa kwamandla onyaka okwandisiweyo, njengehlobo, ubusika, iiholide, ukusetyenziswa kwamandla komsebenzisi ngamnye akuhambelani, nto leyo ebangela ukungalingani komthwalo wezigaba ezintathu.

III. Amanyathelo okuphucula

1. Izisombululo zokungalingani kwamandla e-voltage kwi-grid yamandla yesigaba esithathu okubangelwa ngumthwalo ongalinganiyo:

(1) Umthwalo ongalinganiyo usasazwa kwiindawo ezahlukeneyo zobonelelo lwamandla ukunciphisa ingxaki yokungalingani okukhulu okubangelwa kuqhagamshelo oluphakathi.

(2) Indlela yokutshintshiselana kunye nokulingana isetyenziselwa ukwenza umthwalo ongalinganiyo usasazwe ngokufanelekileyo kwisigaba ngasinye kwaye kuzanywe ukuwenza ulingane.

(3) Ukwandisa amandla okufikelela kumthwalo kwindawo yokufikelela kumthwalo, njengokutshintsha inethiwekhi okanye ukuphucula inqanaba levolthi yombane ukuphucula amandla enkqubo okuthwala umthwalo ongalinganiyo.

2. Qinisa ulawulo

(1) Cwangcisa abasebenzi abakhethekileyo ukuba bazobe umzobo wenethiwekhi yetransformer kunye nomzobo wokusasazwa komthwalo minyaka le, benze idatha efanelekileyo efana nenani labasebenzisi bombane kwisigaba ngasinye kunye nomzekelo wemitha yombane kwitheyibhile elula nelula ukuyijonga, kwaye ujonge ukuba kukho abasebenzisi abalahlekileyo okanye abatsha, kunye nohlaziyo olukhawulezileyo kunye notshintsho lomthwalo.

(2) Nika umntu onesilinganisi-ndlela sokulinganisa umthwalo, aze enze uvavanyo lomthwalo ubuncinane kanye ngenyanga ukujonga umthwalo ongalinganiyo wezigaba ezintathu.

(3) Ukusetyenziswa kwamandla okwethutyana kunye nokusetyenziswa kwamandla onyaka, abasebenzi bolawulo kufuneka baqhelane nemeko esisiseko yabasebenzisi, iindawo zokufakela, utshintsho ekusetyenzisweni kwamandla, baze emva koko balungise ngexesha elifanelekileyo ngokwemeko.

(4) Faka isicelo sezixhobo ezintsha zesigaba esinye ukuze usebenzise umbane, wenze umsebenzi olungileyo wokusasaza amandla omthwalo, kangangoko kunokwenzeka ukuze usasazeke ngokulinganayo kwisekethe yesigaba sesithathu.

3. Lungisa umthwalo ongalinganiyo wezigaba ezintathu ukuze ufumane "ibhalansi ezine"

"Ibhalansi ezine" yibhalansi yamanqaku okulinganisa, ibhalansi yamasebe, ibhalansi yemigca ephambili kunye nebhalansi esecaleni ye-transformer ene-voltage ephantsi.

Phakathi kweebhalansi ezine, into ephambili yindawo yokulinganisa kunye nebhalansi yamasebe, ukusetyenziswa kombane okuqhelekileyo komsebenzisi kunokusetyenziswa njengesiseko sohlengahlengiso, ukusetyenziswa kombane kufana kakhulu nodidi, ngokulandelelanayo kuhlengahlengiswa ngokulinganayo kwisigaba sesithathu.

4. Qhagamshela umgca wezigaba ezintathu kwindawo yokulayisha ngaxeshanye

Ukuze kufunyanwe ulungelelwaniso lomthwalo wezigaba ezintathu, kufuneka kufakwe imigca yezigaba ezintathu kwindawo yomthwalo ngaxeshanye kuba ilahleko incitshiswa kakhulu xa imigca yezigaba ezintathu ifakwa kwindawo yomthwalo ngaxeshanye.

Yandisa indawo yokusasazwa kwenkqubo yezigaba ezintathu kunye neengcingo ezine kangangoko unako kwaye unciphise ubude bomgca ophambili wombane wesigaba esinye. Umgca wokufikelela kufuneka ungeniswe ukusuka kwizigaba ze-u, V kunye ne-W kwipali enye kangangoko kunokwenzeka. Kwaye umthwalo wamaqela amathathu omgca wesigaba esinye kufuneka ulinganiswe kangangoko kunokwenzeka.

5. Yila isicwangciso sokuhlaziya igridi yombane ngokufanelekileyo

Ukuze kufezekiswe ibhalansi yomthwalo yezigaba ezintathu emva kotshintsho, kuyimfuneko ukuyila inkqubo yotshintsho lwenethiwekhi yamandla ngokufanelekileyo. Ngaphambi koyilo, kuyimfuneko ukuqonda umthetho wotshintsho lomthwalo kunye nokusasazwa komthwalo, ukwenza uphando kwindawo, ukuqonda ukusasazwa komthwalo, kunye nokuzoba umzobo wentambo yokusasazwa komthwalo.

Ukufakelwa kweentambo kufuneka kwenziwe ngokungqongqo ngokwemigaqo yokulinganisela umthwalo wezigaba ezintathu, kwaye iingcingo zezigaba ezintathu kunye nezezine kufuneka zingene kwiziko ngalinye lomthwalo elibalulekileyo kangangoko kunokwenzeka.

Umthombo: Iifestile ezisebenza ngombane