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Traction

Product catalog summary

Company Overview:
Tesar S.r.l. is a global leader in the production of cast resin transformers, primarily used in railways, metros, high-speed trains, tramways, and energy recovery systems. Established in 1979, the company operates under ISO 9001, ISO 14001, and ISO 45001 certifications, ensuring quality, environmental responsibility, and safety.

Product Range and Specifications:
The company manufactures transformers up to 20MVA 52kV, suitable for various applications. Key features include:

Phase-shifting transformers for 6, 12, or 24 pulse rectifiers.
Electrostatic screens between primary and secondary windings.
Configurations for double secondary windings with different coupling factors.
Network frequencies of 50Hz, 60Hz, and 16 2/3Hz.
Insulation classes F/F or H/H.
Environmental, climatic, and fire classes up to E4, C3, F1.
Overload capacity up to class IXa as per EN 50329-1.
Metallic enclosures for both indoor and outdoor installations.

Testing and Standards:
Tesar's transformers have passed short circuit and inline tests at CESI and IPH laboratories and are homologated with RFI (Rete Ferroviaria Italiana). They comply with standards such as EN 50329-1, IEC 60146-1-1, IEC 60146-1-2, IEC 62695, and IEC 60076.

Project Experience:
With over 30 years of experience, Tesar has completed numerous projects worldwide, including metros in Oslo, Milan, Paris, Barcelona, Santiago, Riyadh, Alger, Kuala Lumpur, San Paolo, Mallorca, Quito, and tramways in Casablanca, Hamburg, and Paris, as well as Swiss, Italian, and Spanish railways.

Catalog excerpts

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Tesar srl is a worldwide leader in the supply of cast resin transformers mainly used for energization of rails, metros, highspeed trains, tramways, braking energy recovery systems and auxiliary services for stations and signalling. The range of production includes transformers till 20MVA 52kV for every kind of application since 1979 and operates under ISO 9001 quality management system certification, it is an environmentally friendly company in line with ISO 14001 standards and it performs all activities in compliance with ISO 45001 safety standards. With more than 30 years of experience in the...

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Tesar offers a wide range of customized solutions for feeding rectifiers of all main producers: • Transformers with phase shifting for the supply of 6, 12 or 24 pulses rectifiers • Electrostatic screen between primary and secondary • Configuration for double secondary windings in interleaved (coupling factor > 0.9 or double storey (coupling factor < 0,2 ) • Network frequency 50Hz , 60Hz , 16 2/3Hz • Insulation classes F/F or H/H • Environmental, climatic and fire classes up to E4, C3, F1 • Overloads up to class IXa as per EN 50329-1 • Metallic enclosures for indoor and outdoor installation Tesar...

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Tesar S.r.l. - Loc. Chiaveretto 37/B - 52010 Subbiano Arezzo - Italy - Tel. +39 0575 3171 - [email protected] www.tesar.eu

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Traction

Traction

Catalog excerpts

All Tesar Srl catalogs and technical brochures