Imvamisa ye-AC ayihlobene ngokuqondile nesivinini senjini yesiteshi samandla kagesi, kodwa ihlobene ngokungaqondile.
Kungakhathaliseki ukuthi hlobo luni lwemishini yokuphehla amandla, idinga ukudlulisa amandla kugridi yamandla ngemva kokukhiqiza amandla, okungukuthi, i-generator idinga ukuxhunywa kugridi ukuze ikhiqize amandla. Ngemva kokuxhunywa kugridi, ixhunywe negridi yamandla iyonke, futhi amaza kuyo yonke indawo kugridi yamandla afana ncamashi. Uma igridi yamandla ibe nkulu, iba yincane i-frequency yokuguquguquka kanye nezinza kakhulu i-frequency. Kodwa-ke, ifrikhwensi yegridi yamandla ihlobene kuphela nokuthi amandla asebenzayo alinganiselwe yini. Uma amandla asebenzayo akhiqizwa isethi yejeneretha emakhulu kunamandla asebenzayo kagesi, imvamisa iyonke yegridi yamandla izokwanda, futhi ngokuphambene nalokho.
Ibhalansi yamandla esebenzayo iyinkinga enkulu yegridi yamandla. Ngenxa yokuthi umthwalo wamandla wabasebenzisi uhlala ushintsha, igridi yamandla kufanele njalo iqinisekise ukuphuma kokukhiqizwa kwamandla kanye nebhalansi yokulayisha. Inhloso ebalulekile yesiteshi sikagesi ophehlwa ngamanzi ohlelweni lwamandla ukuguquguquka kwemvamisa. Kunjalo, amandla amakhulu amakhulu aphehlwa ngamanzi e-Three Gorges asetshenziswa kakhulu ukukhiqiza ugesi. Uma kuqhathaniswa nezinye izinhlobo zeziteshi zikagesi, iziteshi eziphehla amandla kagesi zinezinzuzo ezingokwemvelo ekuguquleni imvamisa. I-turbine yamanzi ingakwazi ukulungisa ngokushesha isivinini, engaphinda ilungise ngokushesha ukuphuma okusebenzayo nokusebenzayo kwejeneretha, ukuze ilinganise ngokushesha umthwalo wegridi, kuyilapho amandla ashisayo namandla enuzi kulungisa okukhipha injini kancane kakhulu. Uma nje ibhalansi yamandla esebenzayo yegridi yamandla iyinhle, i-voltage izinzile uma kuqhathaniswa. Ngakho-ke, iziteshi eziphehla ugesi ngamanzi zenza umnikelo omkhulu ekuzinzeni kwemvamisa yegridi yamandla.
Njengamanje, iziteshi eziningi zikagesi ezincane neziphakathi nendawo e-China zingaphansi kwegridi kagesi. Igridi yamandla kufanele ibe nokulawula * * * phezu kwezitshalo zamandla zokushintsha imvamisa enkulu, ukuze kuqinisekiswe ukuzinza kwefrikhwensi yegridi yamandla kanye ne-voltage. Kalula nje:
1. Igridi yamandla inquma isivinini semoto. Manje sisebenzisa ama-synchronous motors ukukhiqiza amandla, okungukuthi, izinga lokushintsha lifana negridi yamandla, okungukuthi, izikhathi ezingu-50 ngomzuzwana owodwa. Kujeneretha yesitshalo samandla ashisayo enepheya elilodwa kuphela lama-electrode, izungeza ama-revolution angu-3000 ngomzuzu. Ijeneretha yesitshalo samandla kagesi enamapheya angu-n wama-electrode, izungeza i-3000 / N ngomzuzu ongu-1. I-turbine yamanzi kanye nejeneretha ngokuvamile kuxhunywa ndawonye ngokusebenzisa indlela ethile yokudlulisela isilinganiso esinqunyiwe, ngakho-ke kungashiwo ukuthi kunqunywa futhi ifrikhwensi yegridi yamandla.
2. Iyini indima yendlela yokulawula amanzi? Lungisa okukhiphayo kwejeneretha, okungukuthi, amandla athunyelwe i-generator kugridi yamandla. Ngokuvamile, amandla athile ayadingeka ukuze kugcinwe ijeneretha ifike kusivinini sayo esilinganiselwe, kodwa uma ijeneretha isixhunywe kugridi yamandla, isivinini sejeneretha sinqunywa imvamisa yegridi yamandla. Ngalesi sikhathi, sivame ukucabanga ukuthi imvamisa yegridi yamandla ihlala ingashintshile. Ngale ndlela, lapho amandla e-generator edlula amandla adingekayo ukuze kugcinwe isivinini esilinganiselwe, i-generator ithumela amandla kugridi futhi ithatha amandla ngokuphambene nalokho. Ngakho-ke, lapho injini ikhiqiza amandla ngaphansi komthwalo osindayo, uma inqanyuliwe emotweni, ijubane layo lizokhula ngokushesha lisuka ejubaneni elilinganiselwe liye izikhathi eziningana, elivame ukuba nezingozi ezindizayo!
3. Amandla akhiqizwe ijeneretha azophinde athinte ifrikhwensi yegridi, futhi amayunithi kagesi wamanzi ngokuvamile asetshenziswa njengamayunithi okushintsha imvamisa ngenxa yezinga eliphezulu lokulawula uma kuqhathaniswa.
Isikhathi sokuthumela: Dec-28-2021
