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10.208  Articles
1 of 1.022 pages  |  10  records  |  more records»
In the article the causes of deterioration of the current collection reliability in intermediate catenary spans of transitions of the high-speed contact systems are considered and the ways of increasing it during their reconstruction are offered

The traction transformer of the traction drive system of a high-speed train is one of the main equipments for energy conversion. The transformer loss will be increased by load harmonics and pantograph arcs at high speed. It is very important to predict lo... see more

The design of a riser is very time consuming, since a large number of parameters (e.g.: thickness, top angle, and material properties) are involved and tight safety requirements must be met. This leads to the study of tools, such as optimization... see more

In this paper the 3 kV power supply system of Polish high-speed lines is described. Basic OCL parameters and test results of current collection quality is presented. One of the basic parameters limiting the maximum service speed on a given line is the pan... see more

Pantograph arc is one of the most common and yet unavoidable difficulties in electrified railways. During winter the intensity of arcing increases due to ice layer on the overhead catenary wire. In AC traction system, the sinusoidal waveforms of the suppl... see more

During the construction of the Jakarta-Bandung high-speed train, many Indonesian people gave their responses to the public. The answers were also varied, with some giving positive and negative reactions. The purpose of this study is to analyze the sentime... see more

The increasing number of vehicles every year has led to the rising potential of vehicle accidents. In 2015, there were 556 fatalities from 6,231 accident cases occurred in Jakarta, through regulation of the Minister of Transportation Republic Indonesia No... see more

Conveyor adalah sebuah alat material handling yang berfungsi memindahkan barang dari satu tempat ke tempat lain. dengan membuat sebuah rancang bangun tentang belt conveyor yang dimana Mesin ini menggunakan motor listrik sebagai penggerak utamanya dan ada ... see more

This study aimed to determine the effect of giving three different exercise methods (Plyometric, SAQ, and Traning Circuit) on increasing leg muscle power and dolyo chagi kick speed in taekwondo athletes. The research design used pre and post design with a... see more

1 of 1.022 pages  |  10  records  |  more records»