Isixazululo se-Parallel Debugging Of Diesel Generator Sets

Ake sithathe ukuxhumana okuhambisanayo kwamayunithi wamandla amabili alinganayo njengesibonelo sokuhlaziya imbangela yokuhlasela kokujikeleza.

Yamanje i-U1:1# iyunithi ye-terminal voltage,U2:2# iyunithi yesiphetho sikagesi,R3: umthwalo othwalwa ngokuhambisana kwamayunithi amabili,I0: yamanje, i1:1 # iyunithi ephumayo yamanje,I2:2# iyunithi ephumayo yamanje.Ijeneretha kadizili eyi-Haifeng isethelwe ukuhlinzeka ngosizo lobuchwepheshe.Uma amayunithi amabili esebenza ngokufanayo, ukujikeleza kwe-I0 kungu-0 ngaphansi kwanoma yimuphi umthwalo, ngakho-ke kuyadingeka ukuthi u-U1=U2, okungukuthi, i-voltage yokugcina yamayunithi amabili ilingana ngaphansi kwanoma yimuphi umthwalo.I-no-load parallel ilingana nomthwalo ongapheli, futhi i-voltage yetheminali engalayishi engu-U01 ne-U02 kufanele nayo ilingane.U01=U02(1-2) Siyazi ukuthi isilinganiso sokusatshalaliswa kwamandla asebenzayo sincike ezicini zenjini kadizili kanye nohlelo lwayo lokulawula isivinini, futhi ukusatshalaliswa kwamandla asebenzayo kuncike ezicini zejeneretha kanye nohlelo lwayo lokuvusa amadlingozi. okungukuthi, izici zokulawula i-voltage ye isethi yejeneretha uqobo.Isici esilawula amandla kagesi siyijiko elingu-U= F (I), lapho u-U eyi-voltage yokugcina yesethi yejeneretha futhi mina ngingowamanje.Ukuze kube lula ukuhlaziya, umugqa oqondile ngokuvamile usetshenziselwa ukulinganisa ijika.Cabanga ukuthi kukhona amasethi amabili akhiqizayo ahambisanayo anezici zokulawula amandla kagesi njengoba kukhonjisiwe ku-FIG.2 ngokulandelanayo, setha ngale ndlela elandelayo :δ1= TG β1,δ2 = TG β2, izici ezilawula amandla kagesi weyunithi engu-δ1:1#, nezici ezilawula amandla kagesi zeyunithi engu-δ2:2#.

Kusukela ekuhlaziyeni okungenhla, kungabonakala ukuthi:

(1) Uma amayunithi amabili exhunywe ngokuhambisana, i-voltage engekho umthwalo kanye nezici zokulawula amandla kagesi wamayunithi amabili kufanele zilungiswe ukuze zifane ncamashi, okuyimfuneko yokuqinisekisa ukuphelele ngisho nokusatshalaliswa kwamandla asebenzayo kokubili. amayunithi kanye nesisekelo sokulungiswa okulandelayo kokusatshalaliswa kwamandla okumaphakathi kwamayunithi amabili.Uma ukulungiswa okubili okungenhla kulinganisaniswa, i-voltage ephumayo yamayunithi amabili asebenza ngokuhambisana iqinisekiswa ukuthi izolingana ngaphansi kwanoma yimuphi umthwalo, futhi isilinganiso sokusatshalaliswa kwamandla siqinisekiswa ndawonye, ​​futhi ukujikeleza kuqinisekisiwe ukuthi kunguziro (ngokufanelekile).Khombisa: imbangela eyinhloko yokuhlasela kokujikeleza ukuthi i-voltage engekho yomthwalo wamayunithi amabili ayilingani ngokuphelele noma izici zokulawula i-voltage zihlukile, ezihlanganisa i-voltage ephumayo ayilingani kanye nokuhlasela kokujikeleza.

(2) I-voltage engekho umthwalo kanye nezici zokulawula amandla kagesi wamayunithi amabili ziyalingana, kodwa amandla okukhiphayo amayunithi amabili awalingani, okungukuthi, ukusatshalaliswa kwamandla kwamayunithi amabili akufani, okuzokwenza futhi ukungalingani kwe-U1 ne-U2, okuholela ekuveleni kokujikeleza.

(3) Kunezici eziningi ezithinta ukusatshalaliswa kwamandla asebenzayo, njengezimpawu zesilawuli se-voltage esizenzakalelayo, ukuzinza kwesixhumanisi kusetshenziswa umugqa wokulinganisa, njll., okungeke kuhlaziywe lapha.

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