Isimiso Esisebenzayo Sohlelo Lokulawula Okuzenzakalelayo Lwesethi Yegenerator Dizili

Njengamanje, ngokukhula okuqhubekayo kwebhizinisi lebhizinisi, ukusetshenziswa kwamandla kwansuku zonke kwesikhungo sedatha nakho kubonisa inkambiso yokukhula ngesikhathi esisodwa.Uma kwenzeka ukwehluleka kwamandla kagesi, ijeneretha eyodwa kadizili ayikwazi ukuhlangabezana nesidingo samandla ayisipele sesikhungo sedatha nhlobo, ngakho ngokuvamile idinga amandla engeziwe.Amayunithi asebenza ngokuhambisana.Ukuze kuthuthukiswe ukusebenza kahle kwezomnotho nokwethembeka kwesistimu yokusebenza kwesistimu yamandla, lokhu kudinga ukuthi ingqondo yokulawula isistimu ingagcini nje ngokudinga iyunithi ngokwayo ukuthi ibe nokusebenza okuhle, kodwa futhi idinga iyunithi ngayinye ukuthi ithwale ngokunengqondo imithwalo esebenzayo nesebenzayo endaweni engezansi yomfula. uhlelo.Lezi zidingo ziboniswa ngokuhlanganyela Ohlelweni lokulawula isivinini se-prime mover kanye nesistimu yokulawula i-voltage ye- generator synchronous .

1. Ukulawula i-droop.

Ukuze kuqinisekiswe ukuzinza kokusebenza okuhambisanayo kwamasethi ejeneretha yedizili, ukulawulwa kokwehla kuvame ukwamukelwa, okungukuthi, i-P/f droop control kanye ne-Q/V droop control isetshenziselwa ukuthola imvamisa ne-voltage ezinzile.Le ndlela yokulawula ithinta ukuphuma kwamandla asebenzayo ngeyunithi ngayinye.Ukulawula okuhlukene okunamandla asebenzayo, ngaphandle kwesidingo sokuxhumana nokuxhumana phakathi kwamayunithi, ukuzuza ukulawula kontanga phakathi kwamayunithi, kanye nokuqinisekisa ibhalansi yokuhlinzeka kanye nesidingo kanye nokuzinza kwe-frequency yesistimu ye-generator yedizili ehambisanayo.

I-droop control isebenzisa i-voltage kanye ne-double-loop control yamanje.Iluphu yamanje yangaphakathi inesivinini sokuphendula esiguqukayo esisheshayo, esisetshenziselwa ukuthuthukisa ikhwalithi yamandla yesethi yejeneretha.Isilawuli seluphu yangaphandle ye-voltage sinesivinini sokuphendula esiguqukayo esihamba kancane, esingalawula amandla kagesi okukhiphayo wesistimu futhi sikhiqize ireferensi yeluphu yangaphakathi.Isiginali.Okokuqala, sebenzisa imojula yokulinganisa ukuze uqoqe i-voltage kanye namanje yephoyinti lomthwalo, ubale amandla asheshayo asebenzayo futhi asebenzayo wesethi ye-generator, bese udlulisa isihlungi se-low-pass i-LPF ukuze uthole amandla ajwayelekile ahambisanayo;uma kucatshangelwa ukuthi imvamisa elinganisiwe iyasebenza, amandla asebenzayo esethi yejeneretha P, F, U ayimvamisa kanye ne-voltage amplitude elinganiselwe yesistimu yamandla ngokulandelanayo.Imiyalo yefrikhwensi yokuphuma kanye ne-voltage amplitude itholakala ngesixhumanisi se-droop, bese i-voltage yereferensi ikhiqizwa ngesixhumanisi se-voltage synthesis.Ngemuva kwalokho, i-voltage yereferensi izosetshenziswa njenge-voltage kanye nokufakwayo kwamanje kwesixhumanisi esikabili Isilawuli.

2. Ukulawulwa kwesivinini (isistimu yokulawula imvamisa yamandla esebenzayo).

Ukuthatha amandla alinganiselwe we-fN wejeneretha evumelanisiwe njengenani eliyireferensi, lapho amandla asebenzayo omthwalo ongezansi ekhuphuka aze afike ku-Pred, imvamisa yokuphuma kwejeneretha ehambisanayo yehlela kunani elisha elizinzile le-fref, kanye nomthambeka wesigaba AB ukulungiswa okumile kwejeneretha ye-synchronous.Umehluko we-mp, Δf=fref-fN, ΔP=PN-Pred.Uma amasethi ejeneretha kadizili esebenza ngokuhambisana, ijeneretha ngayinye ilungisa ngokuguquguqukayo imvamisa namandla ayo kuze kube yilapho zonke izidingo zomthwalo zihlangatshezwana nazo.Uma umthamo weyunithi ngayinye ekhiqizayo ufana, i-coefficient yokulungisa i-static nayo iyafana, futhi amandla okukhiphayo ayafana ngokwemvelo;uma umthamo weyunithi uhlukile, i-coefficient yokulungisa emile yeyunithi enomthamo omkhulu weyunithi eyodwa inkulu, futhi iyunithi izothwala ngokwemvelo imithwalo eyengeziwe eya phansi.

3. Ukulawulwa kwamandla kagesi (ukulawula amandla kagesi asebenzayo) uhlelo.

Ngendlela efanayo, ukuthambekela kwesigaba se-CD kubizwa ngokuthi i-reactive power-voltage droop control coefficient nq ye-synchronous generator, ebonisa ubudlelwano phakathi kokukhula kwamandla asebenzayo we- ukukhiqiza isethi kanye nokuchezuka kwe-terminal voltage, futhi ΔU=Uref-UN, ΔQ=QN-Qred .Ngokomdwebo webhulokhi yokulawula yeyunithi yamandla avusa amadlingozi wejeneretha evumelanayo, i-voltage eyireferensi itholakala ngokubalwa kwesixhumanisi sokulinganisa nesixhumanisi sokulungiswa komehluko, bese iqhathaniswa ne-voltage ye-generator terminal (isilawuli sikagesi siwukulawula kwe-PI) , ukuze i-voltage ye-generator terminal ihlale ilandela Ngokushesha umyalo we-voltage.

Uma ufuna ukwazi okwengeziwe ngamajeneretha edizili, sicela uthinte i-Dingbo Power nge-imeyili dingbo@dieselgeneratortech.com.