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Phase-shifted full-bridge transformer

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Phase-shifted full-bridge transformer

The phase-shifted full-bridge transformer uses a full-bridge converter composed of two sets of four-quadrant power switches to perform high-frequency modulation and demodulation of the input power frequency voltage.,And use high-frequency transformers to achieve electrical isolation。

Description

The phase-shifted full-bridge transformer uses a full-bridge converter composed of two sets of four-quadrant power switches to perform high-frequency modulation and demodulation of the input power frequency voltage.,And use high-frequency transformers to achieve electrical isolation。利用移相控制调节输出工频电压的幅值实现输出电压的连续调节实现系统输出的闭环控制这不仅取代了传统变压器的功能而且扩展了其功能

优势

(1)漏感可控制在主电感的1%-10%以内漏感精度高

(2)磁芯电磁耦合好结构简单生产效率高

(3)工作频率高功率密度高频率在50kHz~300kHz左右

(4)优良的散热特性具有很高的表面积与体积比热通道很短便于散热

(5)效率高特殊几何形状的磁芯结构可有效降低铁芯损耗

(6)电磁辐射干扰小功率损耗低温升低效率高

feature:

◆ 高可靠性符合AEC-Q200

◆ 损耗低

◆ 高稳定性高一致性

◆ 功率密度高散热好

◆ 居里温度高

◆ 组装方便

application:

广泛应用于高频开关电源变压器高频大功率变压器脉冲变压器、Electronic transformer、逆变焊机变压器车载电源智能设备五金机械、illumination、网络音响等

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