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首页> 外文期刊>International journal of electrical and power engineering >The Increasing Energy Efficiency of the Vibratory Conveying Drives with Electromagnetic Excitation
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The Increasing Energy Efficiency of the Vibratory Conveying Drives with Electromagnetic Excitation

机译：带电磁激励的振动输送驱动器的能效提高

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摘要

The electromagnetic vibratory conveying drives provide easy control gravity flow of bulk and particulate materials. The achievement of free vibration of variable intensity and frequency in a wide range through adequate power converter and corresponding controller ensures the continuous flow of material under different conditions. Today, as a standard semiconductor output stage of power using thyristors and triacs. This implies the use of phase control. Considering that in this case, fixed frequency of power grid, changing the phase angle can be achieved by adjusting the amplitude of oscillations of the conveyor but not its frequency. Transistor converters in addition to amplitude control provided the frequency control. In this way, the excitation of transporter is independent of the main frequency. Frequency control provides operation of vibratory conveyors in the region of mechanical resonance. Working in the resonance band is energetically favorable, since then has minimal power consumption of the entire vibratory conveying drive. This study presents a concrete implemented, current controlled transistor converter used to excite resonant electromagnetic vibration conveyor and experimental results as an indicator of energy efficiency.
机译：电磁振动输送驱动器可轻松控制散装和颗粒物料的重力流。通过适当的功率转换器和相应的控制器，可以在很宽的范围内实现强度和频率可变的自由振动，从而确保了不同条件下物料的连续流动。今天，使用晶闸管和三端双向可控硅开关作为功率的标准半导体输出级。这意味着要使用相位控制。考虑到在这种情况下，电网频率固定，可以通过调整传送带的振荡幅度而不是其频率来改变相位角。除幅度控制外，晶体管转换器还提供了频率控制。这样，运输者的激励与主频率无关。频率控制可在机械共振区域提供振动输送机的运行。在共振带上工作在能量上是有利的，因为这样在整个振动输送驱动器中具有最小的功率消耗。这项研究提出了一种具体实现的，电流控制的晶体管转换器，用于激励谐振电磁振动传送带，并提供了作为能源效率指标的实验结果。

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