Ganz Metal Works Resumes Production in Szolnok, Hungary, Strengthening Transformer Manufacturing Chain
ABOUT THE COMPANY
With over 140 years at the heart of the global transformer industry and deep-rooted knowledge in the design, development and operation of transformers, Weidmann Electrical Technology is a leading integrated solutions provider for specialized products and services in the energy sector. Weidmann provides the most complete product portfolio, combining innovation, experience and know-how to deliver Transformerboard, Paper and Component solutions for use in power and distribution transformers along with other applications.
Combining our know-how and experience, Weidmann Electrical Technology offers products and services to a wide range of energy related industries and applications.
Power Transformers
Weidmann has supplied insulation and component solutions for more than 80% of the power transformers that in in operation around the world today. As a trusted integrated solution supplier to the worlds leading transformer manufacturers, we offer a complete range of products for use in the power transformer sector.
Distribution Transformers
Distribution transformers require high levels of efficiency, with flexibility to provide consumers with a high quality supply, often within the most challenging environmental and technical parameters. Weidmann is a trusted supplier to the distribution market, offering a wide product and services portfolio.
Instrument Transformers
Weidmann has long been a trusted supplier to instrument transformer manufacturers around the world where safe and reliable operation is required.
Renewables
Weidmann has a range of solutions to support the renewable energy sector, whether it relates to a compact transformer design or using our Weidmann Knowledge Services and Insulation Technology, or the need to better understand the performance of assets with Monitoring and Diagnostics.
Traction Transformers
Working with the largest suppliers of transportation solutions in the world, Weidmann’s Insulation Technology and Knowledge Services Traction experts work to ensure mass transportation achieves high levels of efficiency and reliability, while meeting global regulations.
Weidmann products and services fit many additional applications within the power sector. Our high quality solutions help increase reliability, efficiency and longevity of these additional components.
Products & Services
- Insulation Technology
Weidmann is the world leading supplier of Insulation Technology for key applications in the energy sector. Our wide product portfolio, combining innovation, experience and know-how delivers Transformerboard, Paper and Component solutions on a global scale.
Transformerboard
- Invented by Weidmann over 80 years ago
- Designed to enhance transformer reliability, efficiency and safety
The range includes:
Cellulose Based Transformerboard - supplied in sheet and component form as a base material in power, distribution and special transformers. We offer 3 Board types in this range:
- Hot-Press-Dried Board (T4) – with the highest mechanical and electrical strength
- Calendered Board – typically used as curved pieces eg. cylinders with small diameters in power distribution and special transformers
- Laminated Board – offers the same high mechanical and electrical strength of T4 but with increased thicknesses available
High Temperature Transformerboard – developed exclusively for applications that require functional components to resist prolonged periods of high temperature (200 °C) while maintaining dimensional stability and dielectric strength. Product offered in this range:
- Aramid Board – also known as Nomex® Transformerboard under agreement with DuPont™, this insulation material provides high levels of electrical, chemical and mechanical integrity with exceptional resistance to high temperatures
Paper
- Specialized producer of cellulose based papers for electrical insulation applications
The range includes:
Cellulose Paper – leading producer of cellulose and cotton-based papers, design specifically for applications in the power sector. Papers offered include:
- Crepe Paper – designed for use in electrical applications to insulate irregular shapes and surfaces where a proper insulation cannot be reached with flat papers.
- Insulation Paper – manufactured from 100% wood pulp and used for conductor wrapping
- Presspaper in Reels – using a multilayer construction process, this paper offers the maximum electrical and mechanical strength
Engineered Paper – designed for increased efficiency, higher temperature withstand, and smaller physical footprint to enable the distribution transformer sector to meet customer and regulatory requirements. Papers in this range include:
- TUF-Flex® - is a thin diamond pattern coated insulation paper that provides the highest level of mechanical performance for layer insulation in distribution transformers.
- INSULutions®DPE – this Diamond Printed Enhanced insulation paper offers increased thermal rating, accelerated drying and liquid impregnation rates, and better dielectric performance with excellent mechanical strength.
- INSULutions®STRIP-Flex K - a thin diamond pattern coated layer insulation paper that provides superior performance for HV strip layer insulation in distribution transformers.
Components
- offering a comprehensive range of sophisticated insulation components for oil immersed, special fluids, dry-type or gas filled transformers.
The component range includes:
Cellulose Based – made from cellulose based Transformerboard, these components meet the highest requirements required for power and distribution transformers.
High Temperature – for projects that require the highest temperature resistance, Weidmann’s High Temperature Components are designed to withstand 200°C for long periods of time.
- Knowledge Services
Weidmann Knowledge Services comprises a global network of engineers and professionals offering deep technical analysis, training and knowledge to support your needs.
Consulting Services
With over 100 years’ involvement in the energy sector, Weidmann is at the forefront of new developments, technology, and innovation. Our consulting services support your needs in a wide variety of areas including:
- Transformer Engineering Services – utilizing our in-depth knowledge in all aspects of transformer applications to provide expert technical engineering services.
- Power Systems Services – supporting you in power system studies to increase the reliability and efficiency of your network.
- Insulation Services – utilizing our globally recognized name and expertise in insulation to provide insulation engineering support, design and review services.
Weidmann Knowledge
Weidmann Knowledge focuses on education, training and seminar programs that offer clients the opportunity to increase their own knowledge that can be utilized and implemented within their own organizations as part of wider training and development initiatives. Programs are offered globally and can be specific to one topic or cover a range of subjects.
- Weidmann Transformer Testing and Diagnostics Training – technical training courses for engineers and technicians involved in the day-to-day operation, diagnostics, and maintenance or high voltage electrical apparatus.
Weidmann News & Blogs
Traction Transformer Insulation Designed for the Rail Infrastructure of Tomorrow
How do Weidmann’s products withstand different thermal classes to help increase efficiency, reliability, and safety for On-Bord Traction Transformers and support insulation cost optimization?
https://weidmann-electrical.com/on-board-traction-transformers/
Traction Transformer Kits - Unwrapped
Streamline purchasing with Weidmann’s Traction Transformer Kit: save time, simplify administration, and reduce environmental impact.
https://weidmann-electrical.com/traction-transformer-kits/
Keeping the Lights on – Resilient Power Networks
Discover how Weidmann’s innovative products and services contribute to grid resilience, helping energy systems adapt to climate changes and reduce power outages.
https://weidmann-electrical.com/resilient-power-networks/
Weidmann Powers up for CWIEME Berlin
Discover Weidmann’s innovative insulation technology at CWIEME Berlin 2023
https://weidmann-electrical.com/weidmann-cwieme-2023/
Acquisition of Weidmann’s North American Diagnostic Laboratory business and InsuLogix® monitoring product line by the Megger Group
On March 31, 2023, Weidmann Group concluded the sale of their North American Diagnostic Laboratory business and InsuLogix® brand including monitory products HMA and B to Megger Ltd, Dover, UK.
https://weidmann-electrical.com/acquisition-of-weidmanns-north-american-diagnostic-laboratory-business-and-insulogix-monitoring-product-line-by-the-megger-group/
Weidmann Joins Forces with Czech Businesses at Amper 2023
Weidmann and its partners will be showcasing their innovative products and solutions at Amper from March 21-23, 2023.
https://weidmann-electrical.com/weidmann-amper-2023/
Case Studies
Converter transformer load losses – simulations prevent costly failures
https://weidmann-electrical.com/case-study-1-converter-transformer-load-losses/
GSU transformer upgrade – tank hot spot – Simulations permit upgrade
https://weidmann-electrical.com/case-study-ii-gsu-transformer-upgrade-tank-hot-spot/
Forces under double inrush condition – co-simulations prevent costly failures
https://weidmann-electrical.com/case-study-iii-forces-under-double-inrush-condition/
Top lead exit thermal analysis – simulations for innovative designs
https://weidmann-electrical.com/case-study-iv-top-lead-exit-thermal-analysis/
LV losses – simulations for innovative designs
https://weidmann-electrical.com/case-study-v-lv-losses/
Tank temperature rise verification – through simulation, tank hot spot areas are predicted and located with high reliability. In fact, the simulations show a very good match with the measured temperature values.
https://weidmann-electrical.com/case-study-vi-tank-temperature-rise-verification/
Dielectric measurement in a wind farm – by measurements, the actual operation conditions to which a series of transformers was subjected, has been verified. This helped to demonstrate that the technical specification of the transformers was not appropriate to the real environment in which they should operate.
https://weidmann-electrical.com/case-study-vii-dielectric-measurement/
