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Improvement of Supports of Overhead Gas Pipes;

架空煤气管道管托的改进

Discussion on Protective Measures for Overhead Optical Cable Lines;

谈架空光缆线路防护的措施

Composite fiber optic overhead ground wire(OPGW) is a new product applied widely in recent years which incorporates lightning protection with communication.

OPGW架空复合地线是一种集防雷和通讯功能于一体的新型产品,近几年被逐渐广泛应用;结合乐山地区几项工程实列,介绍如何进行设计选型以及在施工中应注意的一些问题。

Strategy-making method of overhead line control and undergroundcable retrofitting based on clustering algorithm;

基于聚类算法的架空线路入地改造控制决策方法

Utilizing computer to protract installation curve of overhead line;

利用微机绘制架空线路安装曲线

With consideration of the shortage that the tradition discriminant method of overhead lines of rural power grid is complex and hard to programme, a discriminant algorithm of control climate condition of rural power grid based on iterative technology is introduced.

针对农村电网架空线路控制气象条件的传统判断算法繁琐,不适合计算机处理的问题,提出了基于迭代技术的农村电网架空线路控制气象条件的判定算法。

Based on the analysis of a 500 kV overhead ground wire broken and falling down accident,this paper finds the basic cause and proposes the corresponding preventives and treatment.

通过对一起500 kV架空地线断裂落地的事故进行原因分析,找出了架空地线断落的根本原因,并提出了相应的防治措施和建议。

Working frequency current division factor of overhead ground wire is an important parameter directly related to equipment and personnel safety and project investments.

架空地线工频分流系数是进行接地设计、计算的重要参数,它直接关系到设备、人身安全和工程投资,因而应尽可能准确确定。

The field intensity under overhead transmission lines is analyzed using equivalent charge method.

采用等效电荷法对架空线下的场强进行分析。

Manufacture of the overhead conductors for 500 kV transmission line;

500kV输电线路用架空导线的制造

The paper analyzed the reason of twisting for overhead conductor and the relations between conductor wave and rigidity, put forward the test method of twisting moment based on the needs of project and investigation of foreign condition, and discussed the R&D of the special equipment for twisting moment test, still put forward the specific me.

文章分析了架空导线产生扭转的原因以及导线舞动与扭转刚度之间的关系,在对工程需要及国外情况进行调研的基础上提出了扭力矩试验方法,并对扭力矩试验的专用设备的研制进行了探讨和实践,还提出了扭力矩试验参数应用于分裂导线扭转失稳控制的具体方法。

The galloping tester developed by Shanghai Eectric Cable Research Institute can imitate well the real galloping tracks of the installed overhead conductors in.

论述了架空导线舞动的情况、成因、原理,以及防治措施;介绍了标准规定的导线舞动试验项目,分析了舞动试验装置的原理及用途,解决了目前舞动试验只有标准,没有方法和试验设备的尴尬处境。

By means of describing the characters of manifold different ropeway man car in coal mine,this paper introduced the way to developing a new type long distance and high transporting capacity superterranean ropeway with suspending-chair device which can be hung and carried down in the narrow section and undulate tunnel underground coal mine.

通过煤矿井多种形式架空索道人车各自特点的叙述,着重介绍成庄矿研制开发的新型可摘挂吊椅式架空索道在煤矿井下窄断面、起伏巷道内实现大运量、长距离运输的途径。

A dynamic model of overhead cable for ropeway is developed, i.

建立了架空索道在起动和制动时缆索的纵向运动微分方程,对其进行了数值求解。

A dynamic model of overhead cable for ropeway is developed together with differential equations of its vibration and initial and boundary conditions.

本文首先建立了架空索道的动力学模型,并建立了它的振动微分方程、初始条件及边界条件。