Palibe ubale wachindunji pakati pa ma frequency a AC ndi liwiro la injini ya hydropower station, koma pali ubale wosalunjika.
Ziribe kanthu kuti ndi mtundu wanji wa zida zopangira magetsi, pambuyo popanga magetsi, ziyenera kutumiza magetsi ku gridi yamagetsi, ndiko kuti, jenereta iyenera kulumikizidwa ku gridi kuti ipange magetsi. Kukula kwa gridi yamagetsi, kumachepetsa kusinthasintha kwafupipafupi, komanso kukhazikika kwafupipafupi. Mafupipafupi a gridi amangogwirizana ndi ngati mphamvu yogwira ntchito ndi yofanana. Pamene mphamvu yogwira ntchito yomwe imatulutsidwa ndi jenereta ya jenereta imakhala yaikulu kuposa mphamvu yogwira ntchito yamagetsi, mafupipafupi a gridi yamagetsi adzawonjezeka. ,komanso mbali inayi.
Mphamvu yogwira ntchito ndi vuto lalikulu mu gridi yamagetsi. Chifukwa kuchuluka kwa magetsi kwa ogwiritsa ntchito kumasinthasintha nthawi zonse, gululi lamagetsi liyenera kuwonetsetsa kutulutsa kwamagetsi ndi kuchuluka kwa katundu. Kugwiritsa ntchito kofunikira kwambiri kwa malo opangira mphamvu zamagetsi pamagetsi amagetsi ndi kuwongolera pafupipafupi. Zachidziwikire, mphamvu yamadzi yapamwamba kwambiri ya Mitsinje itatu Ntchito yayikulu ndikupangira magetsi. Poyerekeza ndi mitundu ina ya malo opangira magetsi, malo opangira magetsi amadzi ali ndi zabwino zake pakuwongolera pafupipafupi. The chopangira magetsi hydro mwamsanga kusintha liwiro, amene mwamsanga kusintha yogwira ndi zotakasika linanena bungwe la jenereta, kuti mwamsanga kulinganiza katundu gululi, pamene mphamvu matenthedwe ndi mphamvu nyukiliya, etc., kusintha linanena bungwe injini wachibale Kwambiri pang'onopang'ono. Malingana ngati mphamvu yogwira ntchito ya gululi ili bwino, mphamvuyi imakhala yokhazikika. Chifukwa chake, malo opangira magetsi a hydropower ali ndi gawo lalikulu pakukhazikika kwa grid pafupipafupi.
Pakali pano, zomera zambiri zazing'ono ndi zazing'ono za hydropower m'dzikoli zili pansi pa gridi yamagetsi, ndipo gululi lamagetsi liyenera kukhala ndi mphamvu zonse pazitsulo zazikulu zopangira magetsi, kuti zitsimikizire kukhazikika kwa gridi yamagetsi ndi magetsi. mwachidule:
1. Gulu lamagetsi limatsimikizira kuthamanga kwa injini. Tsopano timagwiritsa ntchito ma synchronous motors kuti tipange mphamvu, zomwe zikutanthauza kuti kusintha kwasintha kuli kofanana ndi gridi yamagetsi, ndiko kuti, kusintha kwa 50 pamphindi. Kwa jenereta yomwe imagwiritsidwa ntchito pamagetsi opangira magetsi okhala ndi ma elekitirodi amodzi okha, ndi ma revolution 3000 pamphindi. Kwa jenereta ya hydropower yokhala ndi ma n pairs a maelekitirodi, ndi 3000/n revolutions pamphindi. Gudumu lamadzi ndi jenereta nthawi zambiri zimalumikizidwa palimodzi ndi njira yotsatsira yokhazikika, kotero tinganene kuti imatsimikiziridwa ndi kuchuluka kwa gululi.
2. Kodi njira yosinthira madzi ndi yotani? Sinthani zotsatira za jenereta, ndiko kuti, mphamvu yomwe jenereta imatumiza ku gridi. Nthawi zambiri zimatengera mphamvu zina kuti jenereta ikhale pa liwiro lake, koma jenereta ikangolumikizidwa ku gridi, kuthamanga kwa jenereta kumatsimikiziridwa ndi ma frequency a grid, ndipo nthawi zambiri timaganiza kuti ma frequency a grid sasintha. Mwa njira iyi, mphamvu ya jenereta ikadutsa mphamvu yofunikira kuti ikhale yothamanga mofulumira, jenereta imatumiza mphamvu ku gridi, ndipo mosiyana imatenga mphamvu. Choncho, pamene galimoto imapanga mphamvu ndi katundu wambiri, ikangochotsedwa pa sitimayo, liwiro lake lidzawonjezeka mofulumira kuchokera pa liwiro lovomerezeka mpaka kangapo, ndipo n'zosavuta kuyambitsa ngozi yothamanga!
3. Mphamvu yopangidwa ndi jenereta idzakhudzanso mafupipafupi a gridi, ndipo chigawo cha hydroelectric chimagwiritsidwa ntchito ngati ma frequency modulating unit chifukwa cha kuchuluka kwa malamulo.
Nthawi yotumiza: Sep-05-2022
