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Published21/03/2012
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Deadline07/05/2012
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Today10/06/2026
Utilities
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D-Frankfurt: engineering-design services for traffic installations
In order to ensure traction power supply on the dining sections for the higher requirements of the planned operation of the new vehicles, a restructuring and reinforcement of the existing traction power supply network is necessary with the following measures:
— Introduction of the two-sided supply,
—Intensification of contact line equipment,
— Installation of silver-alloyed contact wire RIS 120,
— Installation of stronger DC circuit breakers with a rated current of at least 2600 A, including adaptation of the control in line exits in existing rectifier stations,
— Upgrading rectifiers,
— Equipping all dining points with load-breakers as a dining switch to enable the dining circuits to be activated by G-protective and cable protection with the necessary extension and connection of the control systems in the rectifier stations, including the construction of a signal transmission path between GW and the menu,
— Installation of coupling circuit breakers for the selective disconnection of dining sections.
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