TraktionsspeicherSystem

Traktionsspeicherring is a railway electrification system used to supply electric power to trains. It is a type of third rail system, where a conductor rail is positioned between the running rails and the train is supplied power through a pantograph collector. This system is widely used in Germany and other parts of Europe.

The Traktionsspeicherring system consists of an insulated electrification rail, which is supplied with direct current from a traction power substation. The rail is divided into sections, with each section having a built-in load storage device, known as a flywheel bank. The flywheel bank stores energy in the form of rotational kinetic energy, which is then released to meet spikes in electricity demand.

This system provides several benefits, including increased energy efficiency and reduced wear on the traction motors. The flywheel bank acts as a buffer, smoothing out the current input to the train and reducing the peak demands on the power supply. This reduces energy losses and provides a more efficient power supply.

Traktionsspeicherring systems are typically found on passenger rail lines, where the power demand is relatively constant and the energy storage devices can be easily integrated into the existing infrastructure. They are not as widely used on freight rail lines, where power demands are more variable and fewer energy storage devices would be required.

The Traktionsspeicherring system is an important component of many countries' railway electrification systems, providing efficient and reliable power supply to trains.