Imvamisa ye-AC ayihlobene ngqo nesivinini senjini sesiteshi sikagesi wamanzi, kodwa ihlobene ngokungaqondile.
Kungakhathaliseki ukuthi hlobo luni lwemishini yokukhiqiza ugesi, kuyadingeka ukudlulisa amandla kagesi kugridi yamandla ngemva kokukhiqiza amandla kagesi, okungukuthi, ijeneretha idinga ukuxhunywa kugridi ukuze ikhiqize ugesi. Ngemva kokuxhumeka kugridi, ixhunywa negridi yamandla iyonke, futhi amaza kuyo yonke indawo kugridi yamandla afana ncamashi. Uma igridi yamandla inkulu, ibanga lokuguquguquka kwamaza lincane futhi imvamisa izinze kakhulu. Kodwa-ke, imvamisa yegridi yamandla ihlobene kuphela nokuthi amandla asebenzayo alinganisiwe yini. Lapho amandla asebenzayo akhishwa yisethi yejeneretha emakhulu kunamandla asebenzayo okusetshenziswa kukagesi, imvamisa iyonke yegridi yamandla izokhuphuka, futhi okuphambene nalokho.
Ibhalansi yamandla asebenzayo iyisihloko esibalulekile segridi yamandla. Ngenxa yokuthi umthwalo wamandla wabasebenzisi uhlala ushintsha, igridi yamandla kufanele iqinisekise njalo ukuthi umkhiqizo wokukhiqiza amandla kanye nebhalansi yomthwalo uyaphuma. Inhloso ebalulekile yesiteshi samandla kagesi ohlelweni lwamandla ukushintshashintsha kwemvamisa. Vele, amandla amakhulu kakhulu e-hydropower e-Three Gorges asetshenziselwa kakhulu ukukhiqiza amandla. Uma kuqhathaniswa nezinye izinhlobo zeziteshi zamandla, iziteshi zamandla kagesi zinezinzuzo ezingokwemvelo ekushintsheni kwemvamisa. I-turbine yamanzi ingalungisa ngokushesha isivinini, okungalungisa futhi ngokushesha umphumela osebenzayo nosabelayo wejeneretha, ukuze kulinganiswe ngokushesha umthwalo wegridi, kuyilapho amandla okushisa kanye namandla enuzi kulungisa umphumela wenjini kancane kakhulu. Uma nje ibhalansi yamandla asebenzayo yegridi yamandla ilungile, i-voltage izinzile. Ngakho-ke, iziteshi zamandla kagesi zinegalelo elikhulu ekuzinzeni kwemvamisa yegridi yamandla.
Njengamanje, iziteshi eziningi zamandla kagesi ezincane neziphakathi eShayina zingaphansi kwegridi yamandla ngqo. Igridi yamandla kumele ibe nokulawula izitshalo zamandla eziyinhloko zokushintshashintsha imvamisa, ukuze kuqinisekiswe ukuzinza kwemvamisa yegridi yamandla kanye ne-voltage. Kalula nje:
1. Igridi yamandla inquma ijubane lenjini. Manje sisebenzisa ama-motor ahambisanayo ukuze kukhiqizwe amandla, okungukuthi, izinga lokushintsha lifana nelegridi yamandla, okungukuthi, izikhathi ezingama-50 ngomzuzwana owodwa. Kujeneretha wesitshalo samandla okushisa one-electrode eyodwa kuphela, ujikeleza ama-revolution angu-3000 ngomzuzu. Kujeneretha wesitshalo samandla olwandle esinama-electrode angu-n, ujikeleza ama-electrode angu-3000 / N ngomzuzu. I-turbine yamanzi kanye nejeneretha ngokuvamile kuxhunywe ndawonye ngendlela ethile yokudlulisa isilinganiso esinqunyiwe, ngakho-ke kungashiwo ukuthi kunqunywa futhi imvamisa yegridi yamandla.
2. Iyiphi indima edlalwa yindlela yokulawula amanzi? Lungisa ukuphuma kwejeneretha, okungukuthi, amandla athunyelwa yijeneretha kugridi yamandla. Ngokuvamile, kudingeka amandla athile ukuze ijeneretha igcine ijubane layo elilinganiselwe, kodwa uma ijeneretha isixhunywe kugridi, ijubane lejeneretha linqunywa imvamisa yegridi. Ngalesi sikhathi, sivame ukucabanga ukuthi imvamisa yegridi ayishintshi. Ngale ndlela, uma amandla ejeneretha edlula amandla adingekayo ukuze kugcinwe ijubane elilinganiselwe, ijeneretha ithumela amandla kugridi futhi imunce amandla ngokuphambene nalokho. Ngakho-ke, lapho injini ikhiqiza amandla ngaphansi komthwalo osindayo, uma isinqanyuliwe ku-, ijubane layo lizokhula ngokushesha lisuka ejubaneni elilinganiselwe liye ezikhathini eziningana, okuvame ukubangela izingozi zokundiza!
3. Amandla akhiqizwa yijeneretha azothinta imvamisa yegridi, futhi amayunithi kagesi wamanzi avame ukusetshenziswa njengamayunithi okuguqula imvamisa ngenxa yesilinganiso sokulawula esiphezulu.
Isikhathi sokuthunyelwe: Meyi-17-2022
