EcoDesign Transformers
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Product Catalogue Ecodesign Transformers We guarantee energy since 1979

Our Brand Story Energy Reference Legislation, Norms and Standards Our Proposal Technical Details A World of Reliability Special Applications Metal Enclosures Our Accessories Description and Features Main characteristics Certified Quality Environmental, climatic and fire-resistance Classes Customer-care and after-sales Service Activities Sustainability Test Room

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Our Brand Story TESAR was established in 1979. After taking the first steps within the Italian market, our company started opearating in the European Community market. Already in 1988 Tesar started providing supplies for CERN. In 1993 the company achieved a fundamental goal connected with corporate growth, by becoming a supplier for Electricity Supply and Power Distribution Authorities, such as Dewa Dubai and the Ministry of Electricity and Water of the state of Kuwait. Over these 40 years of activity, Tesar has been studying casting processes, fire behaviour of transformers under service...

Energy Tesar transformers, Wind, Sun and Water within the framework of Renewable Energies After the Kyoto Protocol, the EU has been focusing on an ambitious target: the so-called 20-20-20 climate energy package. In 2021 the new target for 2030 consists of the reduction of greenhouse gas emissions by 40%, an increase of up to 32% of energy produced by means of renewable sources and finally, in the achievement of the target of a 32% energy saving: all these targets are to be achieved within 2030. Within the field of transformers, the reduction of losses offers greater benefits for the...

As a consequence a transformer with reduced losses features a higher purchase price, whereas transformers planned with a minimum production cost shall imply higher losses and extraordinary operating expenses. Taking into account the fact that transformers are powered 24 hours a day, 365 days a year and that they have a very long life-cycle, usually 30 years, energy consumption is a dominant factor. Taking into account a 1000kVA powered transformer, when comparing an Ecodesign transformer with a traditional one used within Extra-EU countries, the higher purchase price of the first one, can...

Reference Legislation, Norms and Standards State of the Art Tesar transformers exceed average performance standards Over the years several norms have brought an increase in the efficiency level of cast resin transformers, starting with HD 538; in 2004 IEC 60076-11 international directives were published: they represent the first real guideline in the field of dry-type transformers and they include, amongst other things, the milestone regarding climate, environmental, and fire-behaviour classes (E-C-F). In September the 2015 EN 50588-1 directive, replacing all previous revisions up to 2018, was...

Our Proposal Italian Quality Tesar transformers can meet different requirements and needs Ecodesign Transformers This kind of transformer complies with EU Ecodesign Directive (EU548/2014) and with the IEC 60076-11:2018-10 standard. It makes it possible to reduce energy consumption and, as a consequence, to reduce greenhouse emissions. This is our Top-of-the-line Model. Transformers for railway rectifiers It features from 6 up to 24 impulses, it has been planned for overloads and it is suitable for installation in railways, undergrounds, tramways and other applications connected with...

Technical Details Technical Details EU548/2014 Norm IEC 60076 Installation Indoor Type of cooling system AN Ambient / room Temperature 40° C Primary Voltage Insulation Adjustment Secondary Voltage Vector Group Frequency Insulation Class Degree of protection l2kV 1 HV Terminal 2 LV Terminal 3 Neutral Terminal 4 Ground Terminal 5 Junction box 6 Terminal board PT 100 ohm Connections Diagram Terminal Board Nominal Power Different Designs (i.e. Ambient / room Temperature, B or H insulation class and different conductive material, etc.) are available on demand Our company reserves the right to...

Technical Details Technical Details EU548/20I4 Norma IEC 60076 Installazione Interna Tensione primaria Isolamento Regolazione Tensione secondaria Gruppo vettoriale Frequenza Classe isolamento Grado di protezione l7,5kV 1 HV Terminal 2 LV Terminal 3 Neutral Terminal 4 Ground Terminal 5 Junction box 6 Terminal board Terminal Board Potenza Nominale Different Designs (i.e. Ambient / room Temperature, B or H insulation class and different conductive material, etc.) are available on demand Our company reserves the right to modify technical details without prior notice

Technical Details Technical Details EU548/20I4 Norma IEC 60076 Installazione Interna Tensione primaria Isolamento Regolazione Tensione secondaria Gruppo vettoriale Frequenza Classe isolamento Grado di protezione 24kV 1 HV Terminal 2 LV Terminal 3 Neutral Terminal 4 Ground Terminal 5 Junction box 6 Terminal board Terminal Board Potenzz Nominale Different Designs (i.e. Ambient / room Temperature, B or H insulation class and different conductive material, etc.) are available on demand Our company reserves the right to modify technical details without prior notice

Technical Details Technical Details EU548/20I4 Norma IEC 60076 Installazione Interna Tensione primaria Isolamento Regolazione Tensione secondaria Gruppo vettoriale Frequenza Classe isolamento Grado di protezione 1 HV Terminal 2 LV Terminal 3 Neutral Terminal 4 Ground Terminal 5 Junction box 6 Terminal board 7 Lifting eye bolts 8 Towing hooks Terminal Board Ppteeza Nominnle Different Designs (i.e. Ambient / room Temperature, B or H insulation class and different conductive material, etc.) are available on demand Our company reserves the right to modify technical details without prior notice...

Over 100,000 installed transformers Tesar has been synonymous with innovation and first-rate quality since 1979 It can boast over 100,000 units installed all over the world: this is Tesar’s calling card. Tesar has been operating in the market with its own designs since 1979. Quality, Research and Development have granted continuous product improvement in this time. In 1983 Tesar was the first company to study and test fire behaviour of transformers. In 2004 Tesar was one of the few manufacturers worldwide to achieve the E2 C2 F1 (Environmental, Climatic and Fire behaviour tests) Certificate and...