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        ղ    Ϊҳ
        Ʒ
        > IGBTɢ >

        IGBTĵЧ·ģ

        뵼ԿʹòͬĵЧ·ģ
        ·ģ
         ͼ 1: ·ģ (Continued fraction circuit,ҲCauerģ, Tģͻ)
        ·ģ(Continued fraction circuit)Ӧ˴ڲİ뵼ʵ֪ÿIJʱܹģȻҪ ÿϵ·ͼʮ鷳ÿһ㣨оƬоƬӲƬʿֱ-ֱ-funֱƬӲװ壩ӦRCԪʾ˴·ģ͵ĸڵܹÿϵڲ¶Դhttp://www.becketthm.com/sr/297.html
         ֲ·ģ
        ͼ 2: ֲ·ģ (Partial fraction circuit,ҲFosterģͻpiģ)
        ·ģͲͬʿֱ-ֱ-funֱֲ·ģ(Partial fraction circuit)RCֲϲӦڵûκӦֲøģΪϵ״Ѳõɢеõ˸ģڽ¶ȷֲ
        ڱӦֲʿֱ-ֱ-funֱʿֱ-ֱ-funֱֲ·ģеϵеrһʾ
        һӣ
        ֲ·ģеϵ
        迹߷̼Tj㹫ʽ
        ˲̬迹
        ֲ·ģк빦P(t), Tcase IGBT ķģ
        ͼ 3: ֲ·ģк빦P(t), Tcase IGBT ķģ
        ʵӦɢƬ¶Ȳܼ򻯼Ϊ㶨ֵΪɢƬʱ䳣ʿֱ-ֱ-funֱʿֱ-ֱ-funֱڵʱ䲻Ƕ̵ԺԵڷǹ̶Ĺʿֱ-ֱ-funֱҪTcase(t )в߽IGBTģɢƬģʿֱ-ֱ-funֱ
        ǵȽ
        ·ģµ¶ʱõȽRt h δ֪ĵȽZt hȻھֲ·ģһԾĹ뵽IGBTʱͨȽ¶漴˽ʵвڵĽַԱ
        1) ɢƬZth ͨõʿֱ-ֱ-funֱӦû¶TcaseɢƬ¶ThsȽѾɢƬ¶ȲͲٵֿ
        2) IGBTѾ֪빦P(t)¶Tcase(t)ֱӲõӶͼ3õ
        IGBTɢƬþֲ·ģͻ·ģ
        ûʿֱ-ֱ-funֱĻĿǰеIGBTɢƬȲ·ģͼ·ģͺ;ֲ·ģͶṩIGBTĽᵽɢƬΧȴݹҪIGBTɢƬģͺϲһͻҪĸģ͵رIGBTɢƬǷֱ
        ·ģеIGBT ɢƬ
        ۺϵ·ģ
        ͼ 4: ۺϵ·ģ
        ·ģͺģӵĸϲģʹȴݹϲ㴫—ڵ·еĵ—һʱӳٺ󵽴ﲢɢƬ·ģͿͨһľֲ·ģͱ任õʿֱ-ֱ-funֱ
        ͨṹÿһϷԪģʿֱ-ֱ-funֱԿԽһģֻڰijһضɢƬʱǿܵʿֱ-ֱ-funֱΪɢƬIGBTĴ໥õӰҲӦʱIGBTRthjcӰʵеɢƬõɢƬһʿֱ-ֱ-funֱôͲͨʵʵɢƬнģ
        ֲһֲ·ģ͵IJΪǻڲõĽԼṩZthjcΪƵֲ·ģͱ任Ϊ·ģпܵ任ʿֱ-ֱ-funֱһRth/CֵںܶԲͬRthCȡֵұ任µ·ģеRCֵͽڵ㶼ûȷһ任õIJ·ģͶӦ·ģͻִ
        ֤: ҸͼƬ
           Ϻ˵ӿƼ޹˾
           ϵˣС
           ߣ021-58979561
           ҵѯqq447495955
           ҵѯqq1852433657
           ҵѯqq513845646
           ֧qq313548578
           Ⱥ376450741
           ҵѯ:  ҷϢ
           ҵѯ:  ҷϢ
           ҵѯ:  ҷϢ
           ֧:  ҷϢ
           ý:  ҷϢ

        ʿֱ-ֱ-funֱ
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