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Transformers Magazine Special Edition - Substations

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Transformers Magazine Special Edition - Substations

 

Editorial message
Editorial message
Dear Readers, You are holding in front of you our Special Edition on Substations. This topic is the result of our readers' choice and I think this is a good opportunity for all of us dealing with specific products, to look at the big picture and the conditions in which these products are made – substations. This issue confirmed once again that digitalization is the…
Interview with Goran Leci, President of the Board at KONCAR KET
Interview with Goran Leci, President of the Board at KONCAR KET
Critical Infrastructure Cybersecurity We live in a world where the information technologies proliferate into smart grids and smart cities, making such critical infrastructure exposed to hacker and cyber-terrorist attacks. The KONČAR company brings good news: their digitalization and automation platform PROZA NET, developed by KONČAR – Power Plant and Electric Traction Engineering Inc. (KONČAR KET), has become the world first automation platform certified for critical…
Digitalization of transmission products
Digitalization of transmission products
Digitalization of transmission products   The energy system is changing rapidly The integration of an increasing amount of renewable energy poses major challenges on grid operators. The higher number of power producers and the intermittent energy flow raise the complexity of grid management significantly. At the same time the expectation towards grid operators regarding profit generation, health, safety, and environmental protection are increasing. How can…
Interview with Massimo Fioravanti, Managing Director at BRIZIO BASI & C
Interview with Massimo Fioravanti, Managing Director at BRIZIO BASI & C
Oil treatment specialist The company BRIZIO BASI & C is a globally recognized, innovation-oriented leader in vacuum technology. We have been specifically recognized in the field of transformer oil treatment. The company was established in Milan, Italy, in 1930 by the engineer Brizio Luigi Basi. In the beginning, the company’s activity consisted of producing vacuum pumps for industrial applications. Later, our engineers introduced products for…
Column: Supply chain management
Column: Supply chain management
Supply chain complexity in power transformer industry   The complexity of the supply chain in transformer industry is usually not well understood. This article aims to create a better insight into this area by first analyzing the characteristics of supply markets for power transformer industry. Then the product characteristics are analyzed, and appropriate supply chain is defined. Finally, some of the methods for supply chain…
Column: Market review
Column: Market review
Distribution transformers market Abstract: Global distribution transformers market reached around $5.5 billion in 2018 (up to 600 kVA and below 40 kV). The majority of this demand, around 74 %, came from distribution utilities globally, followed by 19 % from industry and around 7 % from power generation. As a general trend, market in emerging countries is mostly driven by new additions along with replacements,…
Column: Substation design
Column: Substation design
The advantages of ester liquids for substation design Paul Jarman Abstract: As the pressure on substation designers grows in terms of space limitations, cost, and safety, ester filled transformers can offer a useful solution to difficult problems at transmission as well as distribution voltages. Keywords: ester liquid, low fire, compact, substations The global trends of increasing urban populations and the push to decarbonise heat and…
Instrument transformers testing
Instrument transformers testing
HV instrument transformer condition assessment Abstract No matter how big or small your substation is, instrument transformers stand vigilant in the electric system, protecting and controlling. In order to satisfactorily accomplish this task, industry, academia, and instrument transformer manufacturers have worked with international standard associations such as IEC, IEEE and NETA to compile the theoretical fundamentals of operation, specifications by class of accuracy, and suggested…
Life hazard curve
Life hazard curve
Proposition for different life hazard curve for transformer and substation equipment Abstract Today the classical bathtub curve model is the main model for life expectancy calculation of all the electrical equipment and, especially, all kind of oil-filled transformers. Most of the stakeholders and maintenance engineers make their decisions on tests, treatments and most importantly, replacement, on the bathtub curve concept. The costs that are associated…
Substation equipment maintenance
Substation equipment maintenance
Substations equipment inspection and periodic maintenance Abstract In this article we analyse frequency, actions regarding preventive maintenance frequency and inspections that must be carried out when dealing with 60-800 kV equipment (insulators, circuit breakers, isolator switches, instrument transformers and surge arresters), in order to keep them working properly, within manufacturers’ instructions, and to avoid premature ageing of the equipment, namely busbar system and insulators, circuit…
Dissipated heat utilization
Dissipated heat utilization
Utilization of dissipated heat of power transformers Abstract The aim of the article is to provide the reader with the basic concept of the transformer’s heat utilization where a proposed technical solution anticipates the installation of an additional oil-water heat exchanger (ODWF) in the transformer's cooling system. An increase in the transformer’s cooling capacity lowers the oil temperature and reduces the transformer’s loss of life…
Intelligent substation monitoring
Intelligent substation monitoring
Intelligent management of substation assets Abstract Transformers are critical and expensive assets in substations that require meticulous monitoring and control to ensure grid integrity. Various tests that are available can determine the condition of transformer by diagnosing the health of active components such as insulating paper and mineral oil, windings, bushings, tap changers, etc. Some of these tests can be time-consuming, expensive, intrusive, and require…
Efficient testing
Efficient testing
Achieving maximum efficiency during testing Abstract The article describes the increasing challenges faced during substation asset testing. It further shows the changing requirements for state-of-the-art test solutions to allow the most efficient way of testing in order to counteract these challenges. Thereby, state-of-the-art test solutions not only require optimized hardware, but also tailored software which does not just cover the pure test execution on site.…
SF₆-free GIS
SF₆-free GIS
Technically advanced and SF6-free 145 kV blue GIS Abstract SF6, the most commonly used arc extinguishing and insulating gas in gas-insulated switchgears (GIS), is a greenhouse gas with high global warming potential, requiring careful handling throughout its life cycle. In order to reduce the GIS-related global warming impact, innovative solutions using alternative gases have been developed by different manufacturers, especially the blue GIS from Siemens…
CWIEME Americas 2019
CWIEME Americas 2019
The industry’s ‘must-attend’ event CWIEME Americas closed its doors on September 18, 2019, following a resoundingly successful exhibition and conference, which saw a significant increase in the caliber of visitors. As the only dedicated event in North America for the supply chain of coil winding, electric motors, transformers and e-mobility, CWIEME Americas has now clearly established itself as the industry’s ‘must-attend’ technical conference and exhibition…
E.ON Research Institute case study for future functionalities of the dynamic grid
E.ON Research Institute case study for future functionalities of the dynamic grid
Substation digitisation is now at the top of utilities’ agendas. However, the integration of DERs, battery storage and electrical vehicles is presenting new complexities and slowing down the pace at which full digitisation can be achieved. The pressure is on for utilities to refine their technology choices, fine-tune their procurement practices, drive their implementation and be ready to respond to any operational challenges that digital…
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