以单片机at89c 51控制的高频超声电源，其功率、频率及相位可进行有效的调节。

High frequency ultrasonic power supply controlled by AT89C51, can adjust its power, frequency and phase in high performance.

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根据电源对负荷的功率贡献因子计算电源和负荷分别承担网损及它们按比例承担时的系统网损分摊。

The losses allocation between the power sources and loads in certain proportion is calculated on the basis of the factor of contributions of individual generators to loads.

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研究了开关电源中印刷电路板寄生参数及功率器件瞬态特性产生的传导电磁干扰现象。

Conducting Electromagnetic Interference (EMI) in switching power supplies caused by parasitic parameters and transient characteristic of power electronic elements is studied in this paper.

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