Simba Electronics Zvishandiso zveInduction Heating

Induction heat inonyanyo shandiswa kunyungudutsa simbi, kuchengetedza kupisa, sintering, welding, quenching, tempering, diathermy, liquid metal 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 yekudziisa induction tekinoroji inogadzirisa iyo alternating yazvino simba frequency (50Hz) kutungamira simba yobva yashandura 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 nekudziya kunodiwa.

Iyo inogadzirisa yemagetsi madiki uye epakati magetsi emagetsi 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 inokurumidza switch thyristor parallel ipapo akateedzana akabatana kuti aone yakakwira simba rekubuda.

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 simba 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 zvinotakura.Pamusoro pezvakanakira zvesimba repamusoro paGridhi-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 minda yese ine inoshanda frequency pazasi 8kHz.Simba rekubuda kwesimba 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 kwekupisa, midziyo yemagetsi ndeyepakati pemagetsi 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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