scholarly journals Multi-Criteria High Voltage Power Line Routing—An Open Source GIS-Based Approach

2019 ◽  
Vol 8 (8) ◽  
pp. 316 ◽  
Author(s):  
Michael Zipf ◽  
Samarth Kumar ◽  
Hendrik Scharf ◽  
Christoph Zöphel ◽  
Constantin Dierstein ◽  
...  
Keyword(s):  
Open Source ◽  
Transmission Lines ◽  
Large Scale ◽  
Power Transmission ◽  
Stakeholder Involvement ◽  
Power Line ◽  
Power Transmission Lines ◽  
Large Area ◽  
Hvdc Transmission ◽  
Open Source Gis

The integration of different stakeholders’ perspectives when planning large-scale infrastructure projects such as power transmission lines is becoming increasingly important in the public debate. Partly conflicting interests of stakeholders should be taken into account in order to allow for best possible routing of new lines. Particularly when transmission lines which are bridging large distances are considered, externalities within this complex setting include social, ecological, economical and technical dimensions. An optimal routing of lines may help address different issues, such as public resistance. Models for the investigation of these large-area impacts for optimal route formation often only cover small regions or lack the georeferenced data necessary to quantify different criteria. We develop an open-source approach which allows for transparent and replicable route determination, tracing, and assessment covering the whole of Europe. Therefore, we provide several friction layers with high spatial resolution. Each layer represents a criterion affecting the routing of a power line. Together with the start and end point of a construction project, this allows for creating accumulated cost rasters for various relationships between the weightings of the perspectives which are relevant during line infrastructure routing processes. The present work explains the underlying methods of data collection, processing, and algorithms of data preparation, route generation, and assessment. Subsequently, this approach is verified with two case studies of HVDC transmission lines which are currently in the planning stages. All processed datasets and applied scripts described in this paper are open-access and made publicly available. Hence, this should support the current project routing debate by providing more transparency and by improving stakeholder involvement.

scholarly journals Fault Detection in Power Equipment via an Unmanned Aerial System Using Multi Modal Data

Sensors ◽  
2019 ◽  
Vol 19 (13) ◽  
pp. 3014 ◽  
Author(s):  
Bushra Jalil ◽  
Giuseppe Riccardo Leone ◽  
Massimo Martinelli ◽  
Davide Moroni ◽  
Maria Antonietta Pascali ◽  
...  
Keyword(s):  
Transmission Lines ◽  
Power Plants ◽  
Large Scale ◽  
Infrared Imaging ◽  
Power Transmission ◽  
Video Stream ◽  
Power Lines ◽  
Power Transmission Lines ◽  
Ground Station ◽  
Illumination Changes

The power transmission lines are the link between power plants and the points of consumption, through substations. Most importantly, the assessment of damaged aerial power lines and rusted conductors is of extreme importance for public safety; hence, power lines and associated components must be periodically inspected to ensure a continuous supply and to identify any fault and defect. To achieve these objectives, recently, Unmanned Aerial Vehicles (UAVs) have been widely used; in fact, they provide a safe way to bring sensors close to the power transmission lines and their associated components without halting the equipment during the inspection, and reducing operational cost and risk. In this work, a drone, equipped with multi-modal sensors, captures images in the visible and infrared domain and transmits them to the ground station. We used state-of-the-art computer vision methods to highlight expected faults (i.e., hot spots) or damaged components of the electrical infrastructure (i.e., damaged insulators). Infrared imaging, which is invariant to large scale and illumination changes in the real operating environment, supported the identification of faults in power transmission lines; while a neural network is adapted and trained to detect and classify insulators from an optical video stream. We demonstrate our approach on data captured by a drone in Parma, Italy.

scholarly journals Insulator Segmentation for Power Line Inspection Based on Modified Conditional Generative Adversarial Network

2019 ◽  
Vol 2019 ◽  
pp. 1-8
Author(s):  
Zishu Gao ◽  
Guodong Yang ◽  
En Li ◽  
Tianyu Shen ◽  
Zhe Wang ◽  
...  
Keyword(s):  
Transmission Lines ◽  
Power Supply ◽  
Power Transmission ◽  
State Of The Art ◽  
Power Line ◽  
Power Transmission Lines ◽  
Generative Adversarial Network ◽  
Convolutional Network ◽  
Adversarial Network ◽  
Feature Information

There are a large number of insulators on the transmission line, and insulator damage will have a major impact on power supply security. Image-based segmentation of the insulators in the power transmission lines is a premise and also a critical task for power line inspection. In this paper, a modified conditional generative adversarial network for insulator pixel-level segmentation is proposed. The generator is reconstructed by encoder-decoder layers with asymmetric convolution kernel which can simplify the network complexity and extract more kinds of feature information. The discriminator is composed of a fully convolutional network based on patchGAN and learns the loss to train the generator. It is verified in experiments that the proposed method has better performances on mIoU and computational efficiency than Pix2pix, SegNet, and other state-of-the-art networks.

Accurate fault detection during power swing: compensated line study

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Hamed Fasihi Pour Parizi ◽  
Saeed Seyedtabaii ◽  
Mahdi Akhbari
Keyword(s):  
New England ◽  
Transmission Lines ◽  
Large Scale ◽  
Power Transmission ◽  
Second Harmonic ◽  
Phase Detection ◽  
Power Transmission Lines ◽  
Content Type ◽  
Power Swing ◽  
Bus Networks

Purpose The purpose of this study is to develop an algorithm to accurately detect faults in series capacitor compensated (SCC) power transmission lines. The line fault must be distinguished from stable power swing, compensating unit malfunction and defects on other lines sharing the same bus (external faults). Design/methodology/approach In this regard, an effective fault feature extractor based on the cumulative sum (CUSUM) of the amplified second harmonic of the phase currents is suggested. The features are then applied to an artificial neural network for classification. No-fault cases include stable power swing and several disturbances. Due to the independent analysis of each phase, faulty phase detection is also a by-product. Findings Various fault scenarios are defined, and the algorithm success rate is compared with some newly published methods. Extensive simulations performed over a single-machine infinite bus, a 3-machine, 9-bus and the large-scale New England IEEE 39-Bus networks all indicate that the proposed algorithm can trip the faulty line more quickly and accurately than the contestant algorithms. Originality/value Suggestion of a new algorithm based on the CUSUM of the amplified second harmonic of the phase current for the fault feature extraction that is able to isolate the transmission line internal faults from stable poser swing, line compensating unit malfunction and faults on the adjacent lines connected to the same bus.

Efficient Vehicle Tracking for Automated Power Line Surveillance System

2014 ◽  
Vol 704 ◽  
pp. 227-232
Author(s):  
Wei Zhen Cheng ◽  
Man Tao Xu ◽  
Wu Chao Cheng
Keyword(s):  
Transmission Lines ◽  
Surveillance System ◽  
Power Transmission ◽  
Power Line ◽  
Normal Operation ◽  
Power Transmission Lines ◽  
Monitoring Method ◽  
Warning Messages ◽  
Routine Inspection ◽  
Line Network

One of the major threats to the safe and normal operation of the power transmission lines is the external force or intrusion incurred by construction trucks. Especially for the urban area, construction of truck cranes is increasingly becoming a leading cause to the damages of power transmission lines. However, the conventional monitoring method for protecting power transmission lines is to conduct a routine inspection or patrol on the transmission line network periodically, which is time-consuming and laborious. In this paper we propose a video surveillance system for automatic tracking the dangerous strength such as construction cranes. The criterion of context formation aims to detect the jib of crane and compute its extension angle. Once the crane is parked over a certain period of time, or the jib extension angle exceeds predefined thresholds, warning messages will be sent to power line supervisors. The experiments show that the system is able to achieve automatic detection of truck cranes and protect transmission lines from their careless constructions.

scholarly journals Power quality in high voltage mains supplying mainline railroads’ traction substations

2019 ◽  
Vol 114 ◽  
pp. 04001
Author(s):  
Yu.N. Bulatov ◽  
A.V. Kryukov ◽  
A.V. Cherepanov
Keyword(s):  
Power Quality ◽  
Transmission Lines ◽  
Large Scale ◽  
Power Transmission ◽  
Short Circuit ◽  
Far East ◽  
Power Transmission Lines ◽  
Quality Factors ◽  
Significant Deterioration ◽  
Traction Substations

The increase in the trains weight and their operation speeds leads to considerable growth of abrupt-variable, non-linear and one-phase traction loads. This, in its own turn, leads to significant deviations, unsymmetry and voltage harmonic distortions in 110-220 kV mains adjacent to traction substations of AC railroads. Significant deterioration in power quality factors is observed in Siberian and Far East regions where 110-220 kV main power transmission lines are immediately adjacent to Transsib traction substations; in this case, in points with lower levels of short circuit power, power quality factors exceed by far the permissible levels. The articles provides the results of studies aimed at solution of power quality enhancement is-sues for mains adjacent to traction substations of Trans-Siberian Railway. To enhance power quality in mains supplying traction substations, smart grid technologies can be used together with multiagent control systems. Technical solutions, based on the results obtained, are proposed that allow to bring the power quality factors to the regulatory values. Due to a big investments amount, an implementation of tar-get program is needed to resolve the large-scale issue of enhancing power quality in mains adjacent to traction substations of AC railroads.

scholarly journals A Case Study of the Herb-Dwelling Spider Assemblages (Aranei) in a Meadow Under the Power Transmission Lines in Ukrainian Carpathians / Исследование сообществ хортобионтных пауков (Aranei) мезофитного луга под высоковольт- ной линией электропередачи в Украинских Карпатах

2015 ◽  
Vol 49 (1) ◽  
pp. 87-94 ◽  
Author(s):  
E. V. Prokopenko
Keyword(s):  
Species Richness ◽  
High Voltage ◽  
Transmission Lines ◽  
Power Transmission ◽  
Power Line ◽  
Power Transmission Lines ◽  
Spider Species ◽  
The Carpathians ◽  
First Time

Abstract The fauna and structure of herbdwelling spider assemblages in mesophitic meadow under the high voltage power line near Irliava village (Uzhhorod District, Transcarpathian Region) were analyzed on the material collected by sweep netting. Th e counts were held at five sampling sites: 1) under the wires; 2) at a distance of 50 m; 3) 100 m; 4) 150 m; 5) 200 m. In total, 41 spider species of 14 families were collected. Erigonoplus globipes (L. Koch, 1872) and Hylyphantes nigritus (Simon, 1881) were recorded in the Carpathians for the first time. Th e reduction of total number and species richness of spiders was registered as the approaching to the high voltage power line. Except single finds, no species avoided the wire nearest sites (0-50 m). Abundance of most spider families (except Araneidae) was not significantly influenced by distance from the high voltage power line.

The Diagnostics System for Power Transmission Lines of 6/10 kV

2014 ◽  
Vol 666 ◽  
pp. 138-143 ◽  
Author(s):  
Rinat Ildarovich Shagiev ◽  
Arkadi Vasilyevich Karpov ◽  
Sergei Aleksandrovich Kalabanov
Keyword(s):  
High Voltage ◽  
Transmission Lines ◽  
Power Transmission ◽  
Power Line ◽  
Power Transformers ◽  
Power Transmission Lines ◽  
The Creation ◽  
Diagnostics System

The article describes the diagnostics system of the power transmission lines of 6/10 kVolts on the basis of smart electric modems. It shows the description of the smart electric modem and the creation principle of the diagnostics system. The main feature here is the use of power transformers as coupling devices with a high-voltage power line.

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