摘要：【中文】本发明公开了一种便携式柱上变压器快速运输起吊装置，包括平台组件、伸缩组件、折叠组件和工作组件，所述平台组件包括工作平台、底部伸缩杆和手动绞盘；所述伸缩组件包括第一级伸缩杆、第二级伸缩杆、第一级定滑轮组、第二级动滑轮组和第一级钢丝绳；所述折叠组件包括折叠杆和折叠杆转轴机构；所述工作组件包括工作横杆、葫芦吊挂扣和顶部伸缩杆。本发明为折叠式设计，可在现场直接安装，实现60秒快速完成安装，实现变压器的垂直起吊和横向调节。以及针对变压器杆上安装进行设计，实现变压器的快速安装，缩短30%的柱上起吊辅助装置的安装时间，满足缩短三分之一操作时间的目标，减少停电时户数，增加客户满意度。 【EN】The invention discloses a portable hoisting device for quickly transporting a transformer on a column, which comprises a platform assembly, a telescopic assembly, a folding assembly and a working assembly, wherein the platform assembly comprises a working platform, a bottom telescopic rod and a manual winch; the telescopic assembly comprises a first-stage telescopic rod, a second-stage telescopic rod, a first-stage fixed pulley block, a second-stage movable pulley block and a first-stage steel wire rope; the folding assembly comprises a folding rod and a folding rod rotating shaft mechanism; the working assembly comprises a working cross rod, a hoist hanging buckle and a top telescopic rod. The invention is of folding design, can be directly installed on site, can realize quick installation within 60 seconds, and can realize vertical lifting and transverse adjustment of the transformer. And the transformer pole is designed aiming at installation, so that the transformer is quickly installed, the installation time of the auxiliary hoisting device on the pole is shortened by 30%, the target of shortening one third of the operation time is met, the number of households in power failure is reduced, and the customer satisfaction is increased.

摘要：【中文】本发明涉及一种消弧线圈并主动干预装置的单相接地故障选线方法，属于电力网络故障选线领域。本发明分析了消弧线圈并主动干预装置前后各条出线的零序导纳，利用零序导纳的变化来进行故障选线。首先以零序电压判断发生接地故障并启动选线装置，采集各条出线的零序电流和零序电压并计算出零序导纳，主动干预装置判明故障相后投入，采集投入后各条出线的零序电流和零序电压并计算出零序导纳，通过计算的零序导纳，分析比较各条出线在主动干预装置投入前后的零序导纳变化情况，零序导纳变化最大对应的线路为故障线路。本发明提供了消弧线圈并主动干预装置的单相接地故障选线方法，采用稳态量的零序电压零序电流数据分析，易于数据采集与处理，算法简单十分适合工程实现，具有较好的实际应用价值。 【EN】The invention relates to a single-phase earth fault line selection method of an arc suppression coil and active intervention device, belonging to the field of power network fault line selection. The invention analyzes the zero sequence admittance of the arc suppression coil and actively intervenes each outgoing line in front of and behind the device, and carries out fault line selection by using the change of the zero sequence admittance. Firstly, judging the occurrence of a ground fault by using zero sequence voltage, starting a line selection device, collecting zero sequence current and zero sequence voltage of each outgoing line and calculating zero sequence admittance, judging the fault phase by using an active intervention device, then inputting, collecting the zero sequence current and the zero sequence voltage of each outgoing line after inputting and calculating the zero sequence admittance, analyzing and comparing the zero sequence admittance change conditions of each outgoing line before and after the active intervention device is input through the calculated zero sequence admittance, and taking the line corresponding to the maximum zero sequence admittance change as a fault line. The invention provides a single-phase earth fault line selection method of an arc suppression coil and active intervention device, which adopts the zero-sequence voltage and zero-sequence current data analysis of steady-state quantity, is easy for data acquisition and processing, has simple algorithm, is very suitable for engineering realization, and has better practical application value.