发电机的谐波组开路或短路，无三次谐波电压输出，检查绕组接头或拆换绕组。
If no triple overtone voltage, check the winding lug or replace with another winding.
开关电源经试验验证性能良好，直流电压输出纹波不大于0.3%，效率高于85%。
The variety of the output DC voltage is less than 0.3% and the efficiency is higher than 85%.
这种变换器综合了正激和反激变换器的特点，并且只用一个变压器实现了单路电压输出。
This circuit has the character of the flyback converter as well as the forward converter, single voltage output can be achieved by one transformer.
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