Zomwe Zimayambitsa Kusiyanasiyana kwa Mphamvu Yogwira Ntchito mu Jenereta

Kusinthasintha kwamphamvu kwa seti ya jenereta kumakhudza kwambiri kukhazikika kwa ntchito ya jenereta.Mphepete mwa kusinthasintha kwa mphamvu yogwira ntchito ya jenereta kumapeto kwa ntchito ndi yaikulu.Pamene jenereta ili mu gawo lotsogolera ntchito, makamaka mu gawo lakuya kutsogolera ntchito, kukhazikika kwa malire a jenereta kudzachepetsedwa kwambiri, zomwe zimakhala zosavuta kuchititsa kuti jenereta iwonongeke komanso kuyenda, zomwe zimawopseza kwambiri ntchito yotetezeka ya unit ndi grid grid.

Nkhaniyi ikufotokoza zifukwa za kusinthasintha kwa mphamvu ya jenereta, ndipo imatenga njira zodzitetezera kuti zitsimikizire kugwira ntchito mokhazikika kwa seti ya jenereta.

1. Mphamvu yogwira ntchito pa mphamvu yogwira ntchito

Kusanthula pa ubale pakati pa mphamvu yogwira ntchito ndi zotakasika mphamvu ya jenereta

Chida chotsitsimutsa cha jenereta chimawunikidwa popanda kusintha kosinthika munjira yonse ya mphamvu ya jenereta yayikulu, ndipo woyendetsayo amangosintha mphamvu yogwira ntchito ya jenereta, yomwe ili yofanana ndi kusunga jenereta yomwe ingathe E ndikuyankha mosalekeza.Mphamvu yogwira ndi mphamvu ya jenereta ndi sinusoidal, ndipo mphamvu yogwira ntchito ndi ngodya ya mphamvu ndi cosine.

Muchilinganizo, E0, U ndi mphamvu ya jenereta ndi magetsi otsiriza;X1 ndi synchronous zimachitikira jenereta;δ ndi mphamvu yamagetsi yamagetsi yamagetsi ya jenereta.

Zitha kuwoneka kuti mphamvu yogwira ntchito ikuwonjezeka, mphamvu yowonjezera imachepa.Pamene ngodya ina ya mphamvu ifika, jenereta imasintha kuchokera ku ntchito ya mochedwa kupita ku ntchito yopita patsogolo, kutengera mphamvu yotulutsa mphamvu kuchokera ku dongosolo.Mphamvu ya ngodya imawonjezeka ndi kuwonjezeka kwa kuya kwa gawo, ndipo kuzama kwa gawo lotsogolera ndilochepa kwambiri.Chifukwa chake, kuti mupewe kuchulukirachulukira kwa jenereta, ndikofunikira kuti muwonjezere mphamvu yosangalatsa ndikuwonjezera mphamvu yogwira ntchito ya jenereta, kuti muchepetse kuya kwamtsogolo ndikuwonetsetsa kuti voteji yokhazikika nthawi zonse.

2. Chikoka cha ma unit frequency regulation, kuwongolera kuthamanga kwa siteji ndi malamulo oyambira pafupipafupi pakupanga mphamvu zamagetsi

1) Kupanikizika kwa gawo lowongolera la unit kuli komweko monga kusinthasintha kwa mphamvu yogwira ntchito.Munthawi yozungulira, kukakamiza kwa gawo lowongolera la unit ndi mphindi 20 patsogolo pa kusinthasintha kwa mphamvu yogwira.

2) Ma frequency a unit ali mu gawo ndi kusinthasintha kwamphamvu kwamphamvu, ndipo kusinthasintha kwa ma unit frequency ndi 0.1s patsogolo pa kusinthasintha kwamphamvu kwanthawi yozungulira.

3) Kusinthasintha kwamphamvu kwagawo kumayamba chifukwa cha machitidwe oyambira pafupipafupi.Kwenikweni, lamulo loyambira pafupipafupi limagwira ntchito ndi liwiro la jenereta.

Itha kusanthula kuti kusintha kwa liwiro loyambira jenereta kumayambitsa machitidwe oyambira pafupipafupi.Chotsatira cha lamulo loyamba lachidziwitso lachidziwitso chikuwonetsedwa mu kusintha kwa mphamvu ya unit regulation siteji, ndiyeno kuwonetsedwa mu kusintha kwa ma unit frequency ndi mphamvu yogwira ntchito.

3.Kukhudzidwa kwa grid frequency pa mphamvu yogwira

Zitha kuwoneka kuchokera ku chithunzi cha waveform kuti kusinthasintha kwafupipafupi kusinthasintha kwa gridi yamagetsi kumakhala kochepa kwambiri kuposa kwa jenereta, ndipo periodicity ndi yochepa komanso pafupifupi yosasinthika.Chifukwa chake, chikoka cha ma frequency a grid pakusintha kwamphamvu kwamphamvu kumatha kuthetsedwa.

Kupyolera mu kusanthula pamwamba, chikoka cha mphamvu zotakataka, dongosolo excitation malamulo, maukonde pafupipafupi ndi zinthu zina pa yogwira kusinthasintha mphamvu akhoza kuthetsedwa.Iwo anaganiza kuti yogwira mphamvu kusinthasintha kwa generator set muzomera ndi chifukwa cha kuchuluka kwa liwiro la seti ya jenereta, kuwongolera pafupipafupi kumachita, nthawi yomweyo, chifukwa kutsegulidwa kwa valavu yothamanga kwambiri ya turbine ya nthunzi kuli pamalo osinthira, mawonekedwe opindika pamapindikira. mfundo ndi yosakhazikika.Pamene lamulo loyamba lafupipafupi likuchita, lamulo lotsegulira lomwe limalandilidwa ndi valve yoyendetsa m'derali lili mu kutumiza.

4.Kupewa ndi kutsutsa

Seti ya jenereta ili kumapeto kwa gridi yamagetsi, yokhala ndi mizere yayitali iwiri yotuluka komanso malo ofunikira othandizira mphamvu.Poona kuchepa kwa mphamvu zamagetsi m'mafakitale, kuchulukira kwamagetsi kwa gridi yamagetsi ndi voteji yayikulu, kuti zitsimikizire mtundu wa voteji, gululi lamagetsi lifunika kuti gawoli lizigwira ntchito mugawo, ndipo makina ogwiritsira ntchito limodzi ali ndi malire. kutha kuyamwa mphamvu zotakataka ndikusintha voteji yamagetsi.Kuphatikiza ndi kusinthasintha kwamphamvu kwa unit, njira zodzitetezera zimapangidwira:

(1) Zomwe zikuchitika panopa zimakhudza kwambiri kukhazikika kwa unit.Kwa dongosolo lalikulu la gridi yamagetsi, magwiridwe antchito a jenereta amakhala ochepa.Chifukwa chake, pamafunika kuti gawo lotsogola la gawolo liyenera kukhala loyenera pamene voteji yamagetsi yakwera kwambiri, ndipo gawo lozama lotsogolera liyenera kupewedwa momwe mungathere.

(2) Chifukwa cha malamulo osagwirizana ndi valavu yoyendetsa liwiro, pali malo otsekemera pafupifupi 70% ya malo a valve.Panthawiyi, ngati magawo osiyanasiyana a kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake mphamvu yogwira ntchito.Poganizira izi, muyeso wapano ndikupewa kutsika kwa valve yowongolera.