Results 91 to 100 of about 14,343 (257)

Smart management system for improving the reliability and availability of substations in smart grid with distributed generation

open access: yesThe Journal of Engineering, 2019
Electrical power control and management is the key towards improving the efficiency and security of energy supply. Proper management would help in safely diversifying energy supplies, reducing energy consumption during peak load, and improving grid ...
Shady S. Refaat, Amira Mohamed
doaj   +1 more source

An Overview of High‐Temperature Superconducting Cables in DC Systems: Unlocking Potential for High‐Voltage DC Networks

open access: yesHigh Voltage, EarlyView.
ABSTRACT This paper provides an overview of high‐temperature superconducting (HTS) cables in DC systems, with a focus on their deployment in high‐voltage DC (HVDC) networks. The assessment of HTS cable properties—such as extremely low electrical resistance, high current‐carrying capacity and a compact geometry—and their comparison with those of ...
Mohammad Hossein Mousavi   +2 more
wiley   +1 more source

Reliability of Latvian Power System’s 330 Kv Substations [PDF]

open access: yes
The paper considers the reliability calculation technique based on logical - probabilistic approach for evaluation of the electrical substation switchgear schemes and equipment at emergency mode with disconnections of the substation equipment individual ...
Nepomnyaschiy, Vladimirs   +3 more
core  

National UHV power substations – review of solution and Technologies [PDF]

open access: yes, 2019
W artykule przedstawiono wybrane aspekty dotyczące realizacji procesu budowy, stosowanych rozwiązań konstrukcyjnych oraz technologii w stacjach najwyższych napięć.
Dołęga, Waldemar
core   +1 more source

Temperature Extraction Scheme for Composite Insulator Core Rod Sheath of Overhead Transmission Lines Based on Oriented Bounding Boxes

open access: yesHigh Voltage, EarlyView.
ABSTRACT Unmanned Aerial Vehicle (UAV) inspection of overhead transmission line composite insulators allows for the rapid acquisition of large amounts of infrared images of insulators in service, which can be used to analyse their operational status. However, efficiently and accurately analysing these images remains a challenge.
Zhenan Zhou   +7 more
wiley   +1 more source

Geometrical Modeling of Service Areas and Distribution of Urban Transformer Substations in the City Territory [PDF]

open access: yes
The system approach to placement of transformer substations in the UPSS is developed. The mathematical and geometrical modeling of TS service areas in view of correct hexagons is made.
Skobeļeva, Nataļja   +3 more
core  

Colour for New Zealand electricity substations [PDF]

open access: yes, 1981
This report serves as a source of guidelines for architects and New Zealand Electricity landscape architects involved in the design of colour schemes for substations. It is divided into three parts.
Teh, Moon Chong
core  

Background Information Detection in Substations Based on Anomaly Detection [PDF]

open access: yes, 2019
The substations are important parts of modern electrical grids. In this sense, it is necessary to detect the anomaly and problems in it. In this paper, we study on the information detection in substations based on traditional anomaly detection algorithms.
Wang Jian-Feng   +3 more
core   +1 more source

Application Status and Development Trends of DC Ice‐Melting Devices in China's Power Grid

open access: yesIET Smart Energy Systems, EarlyView.
This paper summarises the development history and engineering application status of DC ice‐melting devices (DCIMD) in China, analyses the principles, advantages, disadvantages and adaptability of mainstream topologies and discusses the key problems and corresponding improvement directions.
Ming Lei   +6 more
wiley   +1 more source

Operation Modes of HV/MV Substations [PDF]

open access: yes
A distribution network consists of high voltage grid, medium voltage grid, and low voltage grid. Medium voltage grid is connected to high voltage grid via substations with HV/MV transformers.
Kutjuns, Antons, Survilo, Josifs
core  

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