摘要：【中文】本发明提出一种可自动切换外收线多工字轮收线装置及收线方法，用于外收线捻股机床由单工字轮收线改为多工字轮收线，其包括排线装置及收线装置；排线装置设有两只光电感应开关，其中间对应设排线导轮；收线装置设有收线电机、工字轮连接装置及收线气缸，收线电机及气缸经固定支架固定于工作台上；工字轮连接装置由固定螺杆将中间轴、中间轴法兰、尼龙中间垫皮，将多个工字轮连接固定。本发明的一种外收线多工字轮收线装置，对控制系统进行优化，在排线导轮的中间安装两只光电感应开关并使其对准工字轮法兰边缘，能感应工字轮开档并进行自动排线、切换、收线及停车，减少机床卸轮频率及中途停车时间，提高自动化程度及生产效率，降低劳动强度，减少人员用工。 【EN】The invention provides an automatic switching external take-up multi-station character wheel take-up device and a take-up method, which are used for changing a simplex character wheel take-up mode into a multi-station character wheel take-up mode for an external take-up stranding machine tool and comprise a wire arranging device and a take-up device; the wire arranging device is provided with two photoelectric sensing switches, and a wire arranging guide wheel is correspondingly arranged between the two photoelectric sensing switches; the wire take-up device is provided with a wire take-up motor, a spool connecting device and a wire take-up cylinder, and the wire take-up motor and the cylinder are fixed on the workbench through a fixing bracket; the spool connecting device connects and fixes the intermediate shaft, the intermediate shaft flange and the nylon intermediate pad skin by the fixing screw rod. According to the multi-station character wheel take-up device for taking up wires externally, a control system is optimized, the two photoelectric sensing switches are mounted in the middle of the wire arranging guide wheel and are aligned with the flange edge of the spool, the opening of the spool can be sensed, and automatic wire arranging, switching, taking-up and stopping can be carried out, so that the wheel unloading frequency of a machine tool and the stopping time in midway are reduced, the automation degree and the production efficiency are improved, the labor intensity is reduced, and the labor intensity of workers is reduced.

摘要：【中文】本发明公开了一种换流站监控信息缺失下的电压波动在线判断方法、系统及介质，本发明方法的实施步骤包括：采集变流站设备实时数据并计算多项电压波动评估指标，包括电压波动发射水平指标、多负荷引起电压波动水平指标、闪变功率法电压波动指标和U‑I斜率法电压波动指标；将所有指标进行归一化，引入目标函数并设定参数值；通过粒子群算法计算目标函数最优解并分析判断负荷分支是否为电压波动源，若输出结果大于0则该负荷分支存在电压波动并确定其电压波动水平。本发明能够有效解决换流站中在线监测信息缺失情况下电压波动识别问题，不仅更精确地判断电压波动源，还能确定电压波动发射水平，从而能够为换流站电能质量治理工作提供技术保障。 【EN】The invention discloses a method, a system and a medium for online judging voltage fluctuation under monitoring information loss of a converter station, wherein the method comprises the following implementation steps: collecting real-time data of the converter station equipment and calculating a plurality of voltage fluctuation evaluation indexes, including a voltage fluctuation emission level index, a voltage fluctuation level index caused by multiple loads, a flicker power method voltage fluctuation index and a U-I slope method voltage fluctuation index; normalizing all indexes, introducing a target function and setting parameter values; and calculating an optimal solution of the target function through a particle swarm algorithm, analyzing and judging whether the load branch is a voltage fluctuation source, and if the output result is greater than 0, determining the voltage fluctuation level of the load branch. The method can effectively solve the problem of voltage fluctuation identification under the condition of online monitoring information loss in the converter station, not only can more accurately judge the voltage fluctuation source, but also can determine the voltage fluctuation emission level, thereby providing technical support for the electric energy quality control work of the converter station.