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The Danilov - Bui - Svecha railway line is a section of the Northern Railway. In 1960-1970, Lengiprotrans developed a project for the electrification of this section within the framework of the 1956 decree “On the General Plan for the Electrification of Railways”.
When designing electric traction devices, it was envisaged:
• maximum use of reinforced concrete overhead supports;
• widespread use of rigid cross-members instead of expensive flexible ones with significant metal consumption;
• sequential circuits for switching on mercury rectifiers, which significantly increased their power and reliability;
• two-link filters, which make it possible to significantly reduce the cost of outreach of communication lines.
