Enabling energy storage integration in high power multi-motor applications with active filter solutions

B. Parkhideh, H. Mirzaee, R. Beddingfield, S. Bhattacharya
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引用次数: 1

Abstract

AC drive systems have gained popularity in multi-motor applications including mining industry because the production rate of mines increases by almost 20% compared to DC drive systems. Typically, to supply the AC drive systems several Active Front Ends (AFE) with DC choppers are used to insure a reliable and acceptable harmonic current spectrum operation. Recently, energy storage system integration with the mining equipment has received industry attention, especially for peak load shaving and smarter energy management of the mine. The energy storage system is intended to capture the regenerative energy and reuse it for the motoring operation of the drive. Currently, the regenerative energy is often burnt into the choppers and is not fed back to the grid‥ The industry is motivated to capture this regenerative power since it can be as high as 60% of the motoring power and as high as 24 MW. Therefore, there is a possibility of large cost reduction and component downsizing. However, present status of development seems not to be very promising mainly because energy storage systems, (such as ultracapacitors) are still considered as an add-on part to existing products. In this paper, we propose power conversion configurations, yet robust and reliable for development of the multi-motor mobile mining equipment that has encouraging incentives for both the manufacturer and the mine operator.
通过有源滤波器解决方案,在大功率多电机应用中实现储能集成
交流驱动系统在包括采矿业在内的多电机应用中越来越受欢迎,因为与直流驱动系统相比,矿山的生产率提高了近20%。通常,为了提供交流驱动系统,使用几个带直流斩波器的有源前端(AFE)来确保可靠和可接受的谐波电流谱运行。近年来,与矿山设备集成的储能系统受到了业界的关注,特别是在矿山的调峰和智能能源管理方面。能量存储系统旨在捕获再生能量并将其重新用于驱动器的驱动操作。目前,可再生能源经常被燃烧到直升机上,而不是反馈到电网上,业界有动力去捕捉这种可再生能源,因为它可以高达60%的动力,高达24兆瓦。因此,有可能大幅降低成本和缩小部件尺寸。然而,目前的发展状况似乎不是很有希望,主要是因为储能系统(如超级电容器)仍然被认为是现有产品的附加部分。在本文中,我们提出了强大而可靠的多电机移动采矿设备的功率转换配置,对制造商和矿山经营者都有鼓励的激励。
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