Simba Electronics Zvishandiso zveInduction Heating

Induction heat inonyanya kushandiswa kunyungudutsa simbi, kuchengetedza kupisa, sintering, welding, quenching, tempering, diathermy, liquid simbi kucheneswa, kupisa kupisa, kupeta pombi, uye kukura kwekristaro.Iyo induction simba rekupa inoumbwa nerectifier wedunhu, inverter wedunhu, mutoro wedunhu, kutonga uye kudzivirira wedunhu.

Iyo yepakati frequency magetsi emagetsi tekinoroji yekudziya induction tekinoroji inogadzirisa alternating yazvino simba frequency (50Hz) kutungamira simba robva rashandura kune yepakati frequency (400Hz ~ 200kHz) kuburikidza nemagetsi semiconductor zvishandiso senge thyristor, MOSFET kana IGBT.Iyo tekinoroji inoratidzira mune inochinjika yekudzora nzira, hombe yekuburitsa simba, uye yakanyanya kushanda kupfuura iyo unit, uye yakanakira kushandura frequency zvinoenderana nezvinodiwa zvekupisa.

Iyo inogadzirisa yemagetsi madiki uye epakati magetsi ekushandisa anotora matatu-chikamu thyristor kugadzirisa.Kune epamusoro-simba magetsi ekushandisa, 12-pulse thyristor rectification ichashandiswa kuvandudza simba remagetsi emagetsi uye kuderedza grid-side harmonic ikozvino.Iyo inverter magetsi unit inoumbwa neakakwira-voltage yakakwira-ikozvino kukurumidza switch thyristor parallel ipapo akateedzana akabatana kuti aone iyo yakakwira simba kubuda.

Inverter uye resonant circuit inogona kukamurwa kuva marudzi maviri maererano nemaitiro ekugadzirisa: 1) parallel resonant type, 2) series resonant type.

Parallel resonant type: high-voltage high-current water-cooled thyristor (SCR) inoshandiswa kugadzira yazvino-mhando inverter power unit, uye simba guru rinobuda rinowanikwa nepamusoro pe thyristors.Iyo resonant yedunhu inowanzo shandisa yakazara parallel resonance chimiro, zvakare sarudza kaviri-voltage kana transformer modhi kuti uwedzere voltage pane inductor zvinoenderana nezvinodiwa zvakasiyana, zvinonyanya kushandiswa mukupisa kurapwa.

Series resonant type: high-voltage high-current water-cooled thyristor (SCR) uye fast diode inoshandiswa kugadzira voltage-type inverter power unit, uye simba guru rinobuda rinowanikwa nepamusoro pe thyristors.Iyo resonance circuit inoshandisa yakatevedzana resonance chimiro, uye transformer inogamuchirwa kuti ienderane nezvinodiwa mutoro.Pamusoro pezvakanakira zvesimba repamusoro paGrid-parutivi, yakafara simba renji rekugadzirisa, yakanyanya kupisa kunyatsoshanda uye yakakwirira yekutanga-up kubudirira, yave kuwedzera uye zvakanyanya kushandiswa mumakore azvino uye kunyanya kushandiswa mukunyunguduka.

Mushure mekuvandudzwa kwemaitiro ekugadzira, Runau yakagadzirwa nekukurumidza switch thyristor inoshandisa neutron radiation uye mamwe maitiro kuti awedzere kupfupisa nguva yekudzima uye simba remagetsi rinovandudzwa.

Iyo induction yekudziya yepakati frequency magetsi magetsi anotora thyristor sezvo chikuru simba mudziyo wakafukidza ese minda ine inoshanda frequency pazasi 8kHz.Simba rekubuda simba rakakamurwa kuita 50, 160, 250, 500, 1000, 2000, 2500, 3000kW, 5000KW, 10000KW iyo inoshanda frequency ndeye 200Hz, 400Hz, 1kHz, 2.4kHz, 2.4kHz.Matani gumi, matani gumi nemaviri, matani makumi maviri ekunyunguduka kwesimbi uye kuchengetedzwa kwemafuta, midziyo yemagetsi huru ndeyepakati frequency magetsi.Ikozvino iyo yakanyanya kubuda simba remagetsi inouya ku20000KW ye40Ton.Uye iyo thyristor ndiyo kiyi yekushandura simba & inversion chikamu chinofanira kuiswa.

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