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MV/LV Transformers for Distribution Network Solutions transforma Distribution Transformers Up to 36 kV and up to 5 MVA Reliable innovation. Personal solutions. www.ormazabal.com

Dielectric liquid immersed transformers Your Electrical Network 2 Your Business and DNS Applications 2 Medium voltage connection 13 HANDLING, INSTALLATION Commissioning and after sales 33 Network Solutions The quality of the products designed, manufactured and installed by Ormazabal is backed by the implementation and certification of a quality management system, based on Our commitment to the environment is reaffirmed with the implementation and certification of an environmental management system as laid down in international standard In view of the constant evolution in standards and...

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions Introduction Preface The incorporation into Ormazabal in 2001 of the distribution transformer manufacturer Cotradis constituted a strategic milestone for us. The exchange of know-how between our technical teams has significantly reinforced the value added for our customers. Growing energy demands, higher quality requirements in energy supply and the priority to reduce the consumption of natural resources require the use of equipment which responds with high levels of reliability, safety and...

Dielectric liquid immersed transformers Your Electrical Network "Your dedicated partner for reliable and intelligent electrical network" Network Solutions Your Business and DNS Applications Close relationship with our customers the electrical business are the keys to success that enable us to offer Distribution Network Solutions (DNS) based on high added value products and services adapted to the needs of the electrical utilities, electrical energy end users and renewable energies. Smart Grid Transmission & Distribution

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions Our Product Map (SSS & DNS) We believe that excellence does not lie solely in offering effective products and services, but also in the ability to respond to individual requirements and demands. Our Business Lines SSS: Substation Solution for primary distribution We provide our clients with personalised projects for efficient energy management via Primary and Secondary Distribution equipment and solutions. DNS: Distribution Network Solutions for secondary distribution Our products for your...

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions Main features Safety Our transformers are subjected to the tests described in the IEC 60076 series of standards. We have our own laboratories for this purpose, equipped with modern, precise measurement devices and systems that are certified and calibrated according to the directives of the ISO 9001 standard, to ensure that our products comply with the most demanding quality standards. Routine test Type test All of the transformers manufactured are subjected to the following routine tests, in...

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions Special tests Additional tests Special tests specifically requested by the customer: ●● Special dielectric tests. ●● Partial discharge measurement test. ●● Winding capacities measurement – earth and between windings. ●● Zero-sequence (homopolar) impedance measurement (in three-phase transformers). ●● Ability to withstand Short-circuit test (IEC 60076-5), performed in accredited external and internal laboratories (HPL). ●● Sound level measurement (IEC 60076-10). ●● Measurement of no-load...

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions The quality and reliability of our products is demonstrated through the testing and certification of our transformers in independent, internationally-renowned laboratories. Dielectric Liquid completely immersed Hermetically-Sealed Transformer Furthermore, the technological development and passion for innovation, which has been fundamentally apparent throughout the history of our company, is reinforced by our High Power Laboratory (HPL) with a capacity up to 2500 MVA. These are our own...

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions Sustainability PCB Free ●● Our transformers are only manufactured using new components and without any PCBs, in strict compliance with current regulations. Continuous innovation Sustainability, understood as the best compromise between satisfying social demands, caring for the environment and financial aspects. Our commitment to innovation places us at the technological forefront of Europe. Social Demands ●● Safety of people and goods. ●● Continuity of service. Financial Aspects ●● Optimum...

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions Technical details Family transfo orma Distribution Transformers Consult availability Consult availability Self-protected transformers Small-sized transformers that are highly resistant to high temperatures Dielectric liquid immersed hermetically sealed completely filled transformer Biodegradable dielectric liquid >> organic Transformer with natural biodegradable dielectric liquid (*) Other solutions on request Applicable electrical standards IEC EN 50464 Power Transformers – Part 1: General...

transfo orma Dielectric liquid immersed transformers Transformers for Distribution Network Solutions Technical data ●● Three-phase transformers, for indoor or outdoor installation. Constructive structure Active part ●● Dielectric liquid immersed transformers: Hermeticallysealed completely immersed in oil in accordance with standard IEC 60296. The active part of the transformer is the energy transformation system, composed of the ferromagnetic core, the windings and the medium and low voltage connections. ●● Colour: RAL 7033 (other colours under request). ●● Conventional transformers: The...