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Transformers for railway application

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We have already completed numerous, prestigious installations worldwide

In all the countries where investments are being made in new transport infrastructures, GBE is the leading the way on the strength of its success as a qualified supplier for the underground systems in Warsaw (Poland), Sofia (Bulgaria), Helsinki (Finland) and Tallinn (Estonia). These are just a few of the projects that we have recently completed for some of the most important public underground transport networks in the world. On the other side of the Atlantic, for example, we recently supplied the Buenos Aires underground with 2750kVA resin transformers for the extension of the E line, a line originally built in 1944 and extended from Bolivar to the Retiro station. The subway is known locally as el subte, a colloquial form derived from the Spanish word “subterráneo”, the public transport network serving the Argentine capital.  The transformers have a primary voltage 13200 V and two secondary voltages 1212 V staggered by 30° to ensure the power supply of 12-pulse converters. The windings are connected in series with the line, i.e. two primaries connected in parallel and two completely separate, secondary windings to minimise any currents circulating between transformer and converter. The primary characteristic of the transformer according to the technical specifications for the component is also class VI load in compliance with the IEC 61378-1 (Convertor Transformers) and EN 50329 (Railway Application) standards. The transformer was subjected to a load cycle of 100% of the nominal current followed by 150% of the nominal current for 2 hours and 300% of the nominal current for 1 minute. The qualification required, in addition to the combination test and all the routine tests, additional type and special tests, such as impulse and noise tests in the presence of our Argentinian partner and the final customer, the Buenos Aires Subterráneo.


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An all-new environmental range

  • 17 May 2019

  The range of solutions for low environmental impact has been revamped The growing interest in sustainability is nothing new to GBE, that, for several years, has been offering its own “Environmental Range” dedicated to installations where a limited energy load is required in the event of fire and maximum respect for the environment. This […]

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GBE Australia

  • 17 May 2019

  A structure dedicated to the Australian market, including an assembly and maintenance facility GBE has always looked to expand into international markets, not just in Europe, but worldwide. In recent years, bolstered by the positive results achieved in Asia, Africa and Latin America, this commitment has translated into a commercial presence even further afield, […]

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A new strategic partnership in Malaysia

  • 16 May 2019

  GBE is present in this highly competitive market with a joint venture, backed by expertise in the Far East as well Malaysia is not a new market for GBE. Indeed, we have consolidated our presence in the country in recent years, despite its proximity to our fiercest competitors in the world market, such as […]

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