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AI服务器48V转12/6V电源架构:多抽头耦合变压器HSC变换器(3)
耦合变压器原边绕组N11、N12具有漏感,分别为Llk1、Llk2,耦合变压器等效电路,如图6所示。 图6 耦合变压器等效电路 如果耦合变压器漏感比较大,可以去掉外加谐振电感Lr,使用漏感Llk1、Llk2作为谐振电感,从而降低系统体积和成本,两者工作原理完全相同,如图7 ...
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