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.
Powerbox proposed a re-design of the customer’s subsystem, maintained schedule and avoided important potential costs for a delay.
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, […]
The customer’s Challenge was to secure drivers communication for a period of six hours at flat vehicle battery conditions.