【6h】

Contactless Energy Transfer System With FPGA-Controlled Resonant Converter

机译:具有FPGA控制的谐振转换器的非接触式能量传输系统

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摘要

Power supply based on an inductive coupled contactless energy transfer system is presented in this paper. The energy is transferred using a rotatable transformer and a power electronic converter. To minimize total losses of the system, a series resonant compensation circuit is applied assuring zero-current switching condition for insulated-gate bipolar transistors. The analytical expression of the transfer dc voltage gain is presented and discussed. The novelty of the system lies in the application of a fully digital field-programmable-gate-array-based controller and a protection system. The resonant frequency is adjusted by a primary peak current regulator. Some simulation and experimental results illustrating the operation of the developed 3-kW 60-kHz laboratory prototype are given. Although the presented power supply with a rotatable transformer is constructed mainly for robotics and manipulators, the described design and control methodology has general validity and can be applied for a wide class of contactless power supply with core or coreless transformers.
机译:本文提出了一种基于电感耦合非接触式能量传输系统的电源。能量使用可旋转变压器和功率电子转换器传输。为了使系统的总损耗最小,应用了串联谐振补偿电路,以确保绝缘栅双极型晶体管的零电流开关条件。给出并讨论了传输直流电压增益的解析表达式。该系统的新颖性在于全数字现场可编程门阵列控制器和保护系统的应用。谐振频率由初级峰值电流调节器调节。给出了一些仿真和实验结果,它们说明了开发的3kW 60kHz实验室原型的工作情况。尽管提出的带有可旋转变压器的电源主要用于机器人技术和机械手,但所描述的设计和控制方法具有通用性,可用于带芯或无芯变压器的各种非接触式电源。

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