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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Tunable Self-Oscillating Switching Technique for Current Source Induction Heating Systems
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Tunable Self-Oscillating Switching Technique for Current Source Induction Heating Systems

机译：电流源感应加热系统的可调自激开关技术

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摘要

This paper presents a tunable self-oscillating switching (TSOS) technique for current source parallel resonant inverters. Using this technique, the inverter has lower voltage stress in comparison with conventional methods such as phase-locked loop (PLL) circuits or integral controllers. The new switching technique instantly tracks the variation of resonant frequency. In addition, the TSOS has the capability of phase error tuning which is essential for parallel operation and zone control induction heating systems. The TSOS method has simple structure and operates in wide range of frequencies. Hence, the inverter can be utilized as a general-purpose inverter to supply different coils, loads and self-switched capacitor banks. The dynamics of the new tuning system is compared with the PLL method in transient conditions. A laboratory prototype with operating frequency of 25–100 kHz is implemented to verify the performance of the new tuning system.
机译：本文提出了一种用于电流源并联谐振逆变器的可调自激振荡开关（TSOS）技术。与常规方法（例如锁相环（PLL）电路或集成控制器）相比，使用此技术，逆变器具有较低的电压应力。新的开关技术可立即跟踪谐振频率的变化。此外，TSOS还具有相位误差调节功能，这对于并联运行和区域控制感应加热系统必不可少。 TSOS方法结构简单，可在很宽的频率范围内运行。因此，该逆变器可以用作通用逆变器，以提供不同的线圈，负载和自切换电容器组。在瞬态条件下，将新调谐系统的动态特性与PLL方法进行了比较。实施了工作频率为25–100 kHz的实验室原型，以验证新调谐系统的性能。

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