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Cases

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Scalable battery charging for rolling stock

A customer was updating a series of regional trains and needed battery charging and dc supply, that were to operate in a tropical climate with natural convection cooling.

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Re-design of propulsion system

Powerbox proposed a re-design of the customer’s subsystem, maintained schedule and avoided important potential costs for a delay.

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System Solution to Solve Noise and Transients Beyond EN50155/EN50121-3-2

The challenge A regular customer of ours ran into problems during a locomotive retrofit. A battery chargers input circuit broke down repeatedly and the cause was identified as a combination of noise from the load and transients from pantograph bouncing. The noise and transient levels were way outside of the limits in EN50155 and EN50121-3-2, […]

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Converter request results in system optimization

The customer’s Challenge was to secure drivers communication for a period of six hours at flat vehicle battery conditions.

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