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These include reactors for operation in electrical railcars. These reactors are used in trams, subway trains and modern high-speed railcars. The components have been specially designed and manufactured for the harsh environmental conditions that prevail during railway operation. This includes increased requirements in terms of resistance to extreme climates, humidity and pollutants in the atmosphere.

All reactors comply with mechanical requirements with regard to the permanent vibrations during railway operation.

A key feature of these reactors is their low sound emission.

• On-board network containers with transformer, reactor and change-over switch are used to supply on-board power for different infeed conditions.
• Acceptor circuit reactors are used to smooth the DC link voltage and reduce the harmonics in the DC link.
• Chopper reactors limit the current gradient of the pulsed chopper current and the short-circuit currents.
• Rod core reactors as a component of the line filter for overvoltage protection and to limit the line harmonics or DC link harmonic currents.

Air-core reactors

These include reactors for operation in electrical railcars. These reactors are used in trams, subway trains and modern high-speed railcars. The components have been specially designed and manufactured for the harsh environmental conditions that prevail during railway operation.

This includes increased requirements in terms of resistance to extreme climates, humidity and pollutants in the atmosphere. All reactors comply with mechanical requirements with regard to the permanent vibrations during railway operation.

Air-core reactors are used as mains reactors in DC drive systems to smooth the motor current.
The rates of current rise are limited in the event of faults, and through-conductions in particular. The aim is to prevent unacceptably high currents before any protective devices can be triggered.

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