不管是否向高功率led供电，环形线圈消耗电流测量值始终不变。。。
The neodymium magnet is important. Without the magnet, the lamp does not light up, there is no current in the pickup coil because there is no EM coupling with the toro?dal coil
Don't use a too strong magnet, the ferromagnetic domains must flip with a minimum of energy inside the core...
The frequency is also important, in this case 200 Hz is the best ratio, too high frequency increases hysteresis losses in the core.
The Duty cycle (Dtc) of the pulse is important, the generator is set with a Dtc=75%, which gives an output Dtc=25% at the controller. Too much Dtc will increase the Joule losses...
钕磁铁是重要的，没有磁铁，灯泡点不亮，因为与环形线圈没有EM耦合，捡拾线圈中没有电流；
不要用磁力太强的磁铁，铁磁域必须能被磁环中最小的能量翻动；
频率也很重要，在这个例子里，200hz是最好的，太高的频率会增加磁环中的磁滞损耗。 脉冲的占空比（Dtc）是重要的，信号发生器的占空比设置为Dtc=75%,，这样控制器的输出的占空比是25% ，太高的占空比会增加焦耳损耗。。。
Above, the full diagram of the S2Gen v2, no external pulse generator is needed. The best tuning is set for f = 200 Hz (Dtc=27%)
上图是S2Gen第二版的电路图，不需要另外的脉冲发生器，200hz 占空比27%的脉冲效果最好；
下图为实物图
上图为脉冲波形图2012-4-11 16:50:08 上传
2SGen Episode 3: \（移动磁铁的实验）
2SGen Episode 4: With the new Nanoperm core... Woow... （用新的磁芯 纳米微晶合金薄膜磁芯）