Control Loop Stability Measurement

What is control loops in SMPS?

Switched Mode Power Supplies (SMPS) use control loops to ensure that the working point is obtained with the minimum steady state error and fast transient response. To achieve these objectives, a strong control action is needed. But if this action is too aggressive, it can make the system unstable, lead to oscillations that can increase ripples, component stress or even damage the converter or loads.

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What is EN50155 for railway applications?

This article intends to resume the most important requirements that apply for power supply devices when considered as a component in railway  applications. Although there are several standards to take into consideration when installing electronic equipment in trams and trains, we will be focusing on the EN50155.

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