——耦合變壓器設(shè)計(jì)規(guī)格
1. 已知參數(shù):
(1)輸入電壓 Vin=130V Vin(max)=160V Vin(min)=110V
(2)輸出電壓Vout = 130V (120V-150V)
(3)輸出功率:Pout = 25W (25W-30W)
(4)電源效率:η = 85%
(5)開關(guān)頻率: Fs(t) = 42KHz (42KHz-45KHz)
(6)占空比: Dmax = 1.2us
(7)線路主開關(guān)管的耐壓:V mos = 600V (采用SSP7N60B管)
(8)采用IR2151驅(qū)動(dòng)芯片
(9)變壓器骨架EE25或EE28鐵氧體鐵心
(10)整機(jī)的工作電流0.3A-0.5A
(11)變壓器應(yīng)承受2000V耐壓60s,漏電距離2.5mm-3mm.
負(fù)載——超聲波換能器參數(shù):
額定功率(W):≥30W
諧振頻率(KHz):45KHz±10% 裝貼后工作均為42 KHz
諧振阻抗(Ω):1Ω±10%
電容量(PF):8000-10000PF
工作電壓:120-150V
耐壓:3000V
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幫我設(shè)計(jì)個(gè)變壓器吧,我再做設(shè)計(jì)時(shí)用到,但一點(diǎn)都不懂.
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