但由于达到神经电位阈值所需的磁刺激脉冲能量较大，对电源功耗的要求限制了磁刺激的高频应用，本文研制了一种用于高频磁刺激仪的双向充电电路，用以降低功率消耗。
The objective of this paper is to present a novel design of the bidirectional charging circuit used in the high frequency magnetic stimulator to lower the electric power consumption.
基于双向变流器技术的蓄电池充放电装置具有充电和放电功能，同时实现了网侧电流正弦化及单位功率因数，因而减少了对电网的谐波和无功污染。
The device for battery charge or discharge based on the technology of bidirectional converter can be used in charging or discharging battery, and realize sine wave of ac and unity power factor.
如果发电量大于负荷，可通过双向逆变器向蓄电池充电。
If the generating capacity is larger than the load, the storage battery can be charged by the bi-directional inverter.
交流阻抗谱结果显示在双向脉冲充电下，锂电极的表面积增长较直流充电时缓慢。
The results of the impedance measurement show that the surface area increases much slower in bipolar pulse current charge process than that in DC charge process.
交流阻抗谱结果显示在双向脉冲充电下，锂电极的表面积增长较直流充电时缓慢。
The results of the impedance measurement show that the surface area increases much slower in bipolar pulse current charge process than that in DC charge process.
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