AC frequency haina hukama zvakananga neinjini yekumhanya yehydropower station, asi ine hukama zvisina kunanga.
Hazvina mhosva kuti rudzii rwemagetsi ekugadzira magetsi, inoda kuendesa simba kune gidhi remagetsi mushure mekugadzira simba, kureva kuti, jenareta inoda kubatanidzwa kune grid yekugadzira magetsi.Mushure mekubatanidzwa kune gridhi, yakabatanidzwa nemagetsi emagetsi seyese, uye mafrequencies kwose kwose mumagetsi emagetsi akafanana chaizvo.Iyo yakakura grid yemagetsi, idiki iyo frequency fluctuation range uye yakanyanya kugadzikana iyo frequency iri.Nekudaro, iyo yemagetsi grid frequency inongoenderana nekuti simba rinoshanda rakaenzana.Apo simba rinoshanda rinogadzirwa nejenereta rakagadzirirwa rakakura kudarika simba rinoshanda remagetsi, huwandu hwehuwandu hwemagetsi emagetsi huchawedzera, uye pamwe chete.
Active power balance inyaya hombe yemagetsi grid.Nekuti simba revashandisi rinogara richichinja, gidhi remagetsi rinofanirwa kugara richiona kubuda kwemagetsi kuburitsa uye chiyero chemutoro.Kunyanya kukosha kwekushandisa hydropower station mumagetsi system ndeye frequency modulation.Ehe, iyo yakakura-hombe-chiyero hydropower yeMatatu Gorges inonyanya kushandiswa kugadzira magetsi.Kuenzaniswa nemamwe marudzi ezviteshi zvemagetsi, hydropower zviteshi zvine mabhenefiti ezvakanakira mu frequency modulation.Iyo turbine yemvura inogona kukurumidza kugadzirisa kumhanya, iyo inogona zvakare kukurumidza kugadzirisa inoshanda uye inogadzirisa kubuda kwejenareta, kuitira kuti ikurumidze kuyera grid mutoro, nepo simba rekupisa uye simba renyukireya rinogadzirisa kubuda kweinjini zvishoma nezvishoma.Chero bedzi chiyero chesimba rinoshanda regridhi yemagetsi yakanaka, voltage inenge yakagadzikana.Naizvozvo, zviteshi zvemagetsi ehydropower zvinopa mupiro mukuru kune frequency kugadzikana kwegedhi remagetsi.
Parizvino, zviteshi zvemagetsi zvidiki uye zvepakati nepakati muChina zviri pasi pegetsi remagetsi.Iyo gidhi yemagetsi inofanirwa kuve nekutonga kwakazara pamusoro peiyo huru frequency modulation magetsi zvidyarwa, kuitira kuti ive nechokwadi chekugadzikana kwemagetsi grid frequency uye voltage.Zviri nyore:
1. Giridhi yemagetsi inosarudza kumhanya kwemota.Isu zvino tinoshandisa synchronous motors yekugadzira simba, ndiko kuti, chiyero chekuchinja chakafanana neyemagetsi emagetsi, ndiko kuti, ka50 musekondi imwe.Kune jenareta remagetsi rinopisa rine peya imwe chete yemagetsi, inotenderera 3000 revolutions paminiti.Kune jenareta re hydropower chirimwa chine n pairs emagetsi, inotenderera 3000 / N muminiti imwe.Iyo turbine yemvura uye jenareta zvinowanzobatanidzwa pamwechete kuburikidza neimwe yakagadziriswa reshiyo yekufambisa michina, saka zvinogona kutaurwa kuti inotemerwawo neiyo magetsi grid frequency.
2. Ndeipi basa rekugadzirisa mvura?Gadzirisa kuburitsa kwejenereta, ndiko kuti, simba rinotumirwa nejenereta kune grid yemagetsi.Kazhinji, rimwe simba rinodiwa kuchengetedza jenareta kusvika pakumhanya kwayo kwakayerwa, asi kana jenareta yangobatanidzwa kune gidhi remagetsi, kumhanya kwejenareta kunotariswa neiyo magetsi grid frequency.Panguva ino, isu tinowanzo fungidzira kuti iyo magetsi grid frequency inoramba isina kuchinjika.Nenzira iyi, kana simba rejenereta richipfuura simba rinodiwa kuti uchengetedze kukurumidza kwakarongwa, jenereta inotumira simba kune grid uye inotora simba pane zvinopesana.Naizvozvo, kana mota ichiburitsa simba pasi pemutoro unorema, kana yangobviswa kubva mumotokari, kumhanya kwayo kunokurumidza kuwedzera kubva pakuyerwa kumhanya kusvika kakawanda, iyo inowanzoitika tsaona dzekubhururuka!
3. Simba rinogadzirwa nejenereta richaita kuti girafu riite, uye mashizha emagetsi emvura anowanzo shandiswa sezvikamu zvekugadzirisa maitiro nekuda kwehuwandu hwehuwandu hwekugadzirisa.
Nguva yekutumira: Oct-20-2021
