Chekutanga, tinofanira kudzikamisa nzvimbo yenhaurirano kuti tisaite kuti isanyanya kujeka. Jenareta inokurukurwa pano inoreva brushless, nhatu-chikamu AC synchronous jenareta, panozonzi "jenareta".
Mhando iyi yejenareta ine zvikamu zvitatu zvikuru, izvo zvichataurwa muhurukuro inotevera:
Main jenareta, yakakamurwa kuita main stator uye main rotor; Iyo huru rotor inopa magnetic field, uye stator huru inogadzira magetsi kuti ipe mutoro; Exciter, yakakamurwa kuita exciter stator uye rotor; Iyo exciter stator inopa magnetic field, rotor inogadzira magetsi, uye mushure mekugadzirisa neinotenderera inotenderera, inopa simba kune guru rotor; Otomatiki Voltage Regulator (AVR) inoona inobuda voltage yejenareta huru, inodzora yazvino yeiyo exciter stator coil, uye inozadzisa chinangwa chekudzikamisa yakabuda voltage yeiyo huru stator.
Tsanangudzo yeAVR voltage kudzikamisa basa
Chinangwa chekushanda cheAVR ndechekuchengetedza mhepo yakagadzikana yejenareta, inowanzozivikanwa se "voltage stabilizer".
Kushanda kwaro ndekwekuwedzera stator ikozvino yeexciter apo simba rekubuda kwejenereta rakaderera kudarika kukosha kweseti, iyo yakaenzana nekuwedzera kunakidza ikozvino kweiyo rotor huru, zvichiita kuti guru guru rejenereta rikwire kusvika kune yakatarwa kukosha; Pane zvinopesana, deredza iyo excitation ikozvino uye bvumira iyo voltage kuderera; Kana iyo inobuda voltage yejenareta yakaenzana neyakagadzika kukosha, iyo AVR inochengetedza iripo yakabuda pasina kugadzirisa.
Uyezve, zvichienderana nehukama hwechikamu pakati pezvino uye voltage, mitoro yeAC inogona kuiswa muzvikamu zvitatu:
Resistive mutoro, apo ikozvino iri muchikamu nemhepo inoshandiswa pairi; Inductive mutoro, chikamu chezvino chinosara kumashure kwevoltage; Capacitive load, chikamu chezvino chiri mberi kwevoltage. Kuenzanisa kwehutatu hwekutakura hunhu hunotibatsira kunzwisisa zviri nani capacitive mitoro.
Kune mitoro inodzivirira, iyo yakakura mutoro, iyo yakakura yekukurudzira ikozvino inodiwa kune main rotor (kuitira kudzikamisa yakabuda voltage yejenereta).
Muhurukuro inotevera, isu tichashandisa iyo excitation ikozvino inodiwa kune inodzivirira mitoro seyereferensi chiyero, izvo zvinoreva kuti makuru anonzi akakura; Tinoti idiki pane iyo.
Kana mutoro wejenareta uchinge waita inductive, iyo rotor huru inoda kuwedzeredza ikozvino kuitira kuti jenareta ichengetedze yakagadzikana yakabuda voltage.
Capacitive load
Apo jenereta inosangana nemutoro we capacitive, iyo yekukurudzira ikozvino inodiwa nerotor huru idiki, izvo zvinoreva kuti iyo excitation ikozvino inofanira kuderedzwa kuitira kudzikamisa yakabuda voltage yejenereta.
Sei izvi zvakaitika?
Tinofanira kuramba tichiyeuka kuti ikozvino pane capacitive load iri mberi kwemagetsi, uye aya anotungamira mafungu (achiyerera kuburikidza nehombe stator) achagadzira induced ikozvino pane guru rotor, iyo inoitika kuva yakanaka pamusoro peiyo excitation ikozvino, inosimudzira magnetic field ye main rotor. Saka ikozvino kubva kune exciter inofanira kuderedzwa kuitira kuchengetedza yakagadzikana kubuda voltage yejenereta.
Iyo yakakura iyo capacitive mutoro, iyo diki inobuda yeexciter; Kana iyo capacitive load ichiwedzera kune imwe nhanho, kubuda kweiyo exciter kunofanirwa kuderedzwa kusvika zero. Kubuda kweiyo exciter ndeye zero, iyo inogumira jenareta; Panguva ino, iyo inobuda voltage yejenareta haizove yakagadzikana, uye rudzi urwu rwemagetsi haruna kukodzera. Ichi chinogumira chinozivikanwawo se' under excitation limitation '.
Iyo jenareta inogona kungogamuchira zvishoma mutoro wekutakura; (Ehe, kune yakatsanangurwa jenareta, pane zvakare zvipimo pahukuru hweresistive kana inductive mitoro.)
Kana purojekiti ichinetswa ne capacitive mitoro, zvinokwanisika kusarudza kushandisa IT magetsi masosi ane madiki capacitance pa kilowatt, kana kushandisa inductors kuti muripo. Usaite kuti jenareta seti ishande padyo nenzvimbo ye "pasi pekunakidzwa".
Nguva yekutumira: Sep-07-2023
