分布定数線路を用いた高周波電力の分配・伝送方式

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At present, a high frequency induction heating system usually consists of a high frequency power source and a heated load circuit. But some systems are necessary to heat up two or more loads.In such a case, there are many problems. For an example, the same number of the power source or switches, changing loads, are required. In addition, many high frequency power transmissionlines should be laid for the plural load circuits.The authers offer a new system, which can be able to supply the high frequency power slectively and effectively to two induction heating circuits, the system is composed of a high frequency voltage type inverter, a parallel resonant load circuit and a series resonant load circuit, and they are connected in series by the distributed constant lines, having the specific length.This paper describes the operating principle of the system and the optimum operating conditions. And also through the analyses of the operating characteristics of the system, the paper explaines the facts that the effective and selective transmissions of the high frequency power to the loads are available and the minimum interference between the loads for the supplied power divisions is accomplished.Finally, the theoretical simulation waveforms are compared with the actual waveforms obtained from the test equipment, having the output ratings of 1 to 2MHz and 1kW, and they correspond with each other. So it is clarified that the theory described in the paper is reasonable.
社団法人電気学会の論文

分布定数線路を用いた高周波電力の分配・伝送方式

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