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Modelling power flow in a hoist motor of a Rubber Tyred Gantry crane

机译:橡胶轮胎式龙门起重机的起重电动机中的功率流建模

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A method for calculating the power demand of the hoist motor in Rubber-Tyred Gantry (RTG) cranes has been developed in order to measure the energy consumption in a typical lift cycle. From measurements taken at the Port of Felixstowe it has been observed that the peculiar geometrical characteristics of the hoisting mechanism causes the power demand to increase with the container height in constant speed conditions. By using information extracted from the crane's schematics and trigonometry it has been possible to calculate the potential energy increase given the weight and vertical position of the container. In addition, the torque load on the hoist motor and the vertical speed of the mass have been calculated, allowing for the modelling of the hoist motor power consumption when lifting containers with constant rotational speed.
机译:已经开发出一种用于计算轮胎式龙门起重机(RTG)起重机中的起重电动机功率需求的方法,以测量典型举升周期中的能耗。通过在费利克斯托港进行的测量,可以看出,在恒速条件下,提升机构的特殊几何特性会导致功率需求随容器高度的增加而增加。通过使用从起重机的示意图和三角学中提取的信息,可以在给定容器重量和垂直位置的情况下计算势能增加。此外,还计算了提升电机上的扭矩负载和质量的垂直速度,从而可以模拟以恒定转速提升集装箱时提升电机的功耗。

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