Analysis of Snubber Topologies for LVDC Bipolar, Bidirectional Solid-State Protection Devices

Snubber circuits play a critical role in enhancing the reliability and performance of low voltage DC solid state protection devices. These circuits mitigate transient voltage spikes and oscillations, protecting sensitive semiconductor components from damage due to overvoltage and ensuring stable operation. This review provides a comprehensive overview of snubber circuits specifically designed for solid state protection applications. It explores various snubber configurations, highlighting their operational principles and protective capabilities. The differences between these snubber networks are discussed in detail, focusing on their effectiveness, complexity, and suitability for different protection scenarios. Additionally, the review delves into various aspects related to the application of snubber circuits in protection devices such as efficiency, and the impact on overall circuit performance. By examining these factors, the paper aims to guide the selection and design of a snubber circuit for application in bipolar bidirectional low voltage DC grids.