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首页> 外文会议>IEEE Annual Power Electronics Specialists Conference >Single-stage three-phase power-factor-correction circuit using three isolated single-phase SEPIC converters operating in CCM
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Single-stage three-phase power-factor-correction circuit using three isolated single-phase SEPIC converters operating in CCM

机译：单级三相功率计数器校正电路，采用CCM运行的三个隔离单相SEPIC转换器

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摘要

A single-stage three-phase power-factor-correction circuit is developed using three isolated single-phase SEPIC-based power-factor-correction circuits operating in continuous-current mode. This approach is found to be attractive for low to medium power applications and when stringent THD and EMI specifications have to be met, such as power supplies for avionics systems. Use of isolated single-phase circuits also avoids the problems associated with the interaction among three phases. Detailed design criteria for the power and control stages of the single-phase SEPIC power-factor-correction circuit are presented. Issues specific to the three-phase implementation, such as current sharing at the input, are discussed. Simulation and experimental results corresponding to a 500 W three-phase prototype switching at 100 kHz are reported.
机译：使用在连续电流模式下操作的三个隔离的单相SEPIC基功率系数校正电路开发单级三相功率计数电路。发现这种方法对于低至中等电力应用以及必须满足严格的THD和EMI规范，例如航空电子系统的电源。使用隔离的单相电路也避免了与三个阶段之间的相互作用相关的问题。提出了单相丝网功率系数校正电路的电源和控制阶段的详细设计标准。讨论了特定于三相实现的问题，例如输入的电流共享。报道了与100kHz的500W三相原型切换相对应的模拟和实验结果。

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