对TEM模，分析了内导体形状、位置对谐振腔内电磁场分布的影响；以及它们对启动和稳定工作的影响。
For TEM model in coaxial resonant cavity, the influence of shape and position of inner conductor on electromagnetic field, start-up and steady work was studied.
串联谐振电路简单、启动容易、谐振频率高，适应于小功率感应加热电源系统。
The series resonance circuit is simple, its start easy and resonance-frequency high. It is suitable in small power induction heating supply.
提出与研究了具有串并联谐振负载的晶闸管中频电源的一种新启动方法——负载充磁启动。
A new starting method for SCR induction heating inverter with series parallel resonant load, named as magnetizing to the load, is developed.
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