基于新型中心开关DC-DC转换器的自主太阳能SRM农业泵设计

2017 4th IEEE Uttar Pradesh Section International Conference on Electrical, Computer and Electronics (UPCON) Pub Date : 2017-10-01 DOI:10.1109/UPCON.2017.8251109

A. Mishra, Bhim Singh

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引用次数: 1

摘要

本研究的目标是开发一种采用开关磁阻电机(SRM)驱动的自辅助光伏(PV)阵列供电农业泵。该系统采用一种新颖的中心开关DC-DC变换器，在不使用任何输入电容的情况下优化光伏阵列的输出功率。中心开关DC-DC变换器的连续导通模式(CCM)工作大大降低了其元件的应力。这种工作模式也有助于提高DC-DC变换器的性能。中点变换器的基本开关使开关损耗最小化，提高了系统的整体效率。该系统还克服了四相SRM自启动的固有问题。通过可变直流链路电压对驱动器进行速度控制，有助于完全消除电机侧的电压和电流传感器，使系统成本低廉。利用MATLAB/Simulink平台对所提出的拓扑结构进行了设计和建模，并通过实验室样机对其性能进行了验证。

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Design of autonomous solar powered SRM based agriculture pump utilizing novel central switch DC-DC converter

The present work is targeted to the development of a self-assisted photovoltaic (PV) array energized agriculture pump employing a switched reluctance motor (SRM) drive. A novel central switch DC-DC converter is utilizes in proposed system to optimize the output power of PV array, without usingany input PV capacitance. The continuous conduction mode (CCM) operation of central switch DC-DC converter considerably reduces the stresses on its components. This mode of operation also helps to enhance the DC-DC converter performance. The fundamental switching of a mid-point converter minimizes the switching losses and improves the overall system efficiency. An inherent problem of self-starting of 4-phase SRM is also overcome in the proposed system. The speed control of the drive via variable DC link voltage helps to completely eliminate the voltage and current sensors from motor side and makes system inexpensive. The proposed topology is designed and modeled using MATLAB/Simulink platform and its performance is validated through developed prototype in the laboratory.

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来源期刊

2017 4th IEEE Uttar Pradesh Section International Conference on Electrical, Computer and Electronics (UPCON)

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