Sergio Roberto Santos

Job Title: Electrical Engineer
Company: Lambda Consultoria LTDA
Country: Brazil

He holds a degree in electrical engineering from the Federal University of Rio de Janeiro, a specialization in economics and business (MBA) from the Federal University of São Carlos (UFSCAR), and a master's degree in science from the Institute of Energy and Environment at the University of São Paulo (IEE USP). He is an engineer at Lambda Consultoria, a consultant at Embrastec, and the author of the 'EM Aterramento' column in Eletricidade Moderna magazine.

August 26, 2026Protection Criteria and end-of-life Monitoring for SPDs

Sessions

Session

Lightning Protection and Surge Protection Devices (SPDs)

Wednesday, August 26, 2026, 9:00am–10:30am

2nd floor Cantareira 6

The session opens with an examination of the changes to risk analysis in NBR 5419-2:2026 and their impact on the definition of protection systems, while another presentation focuses specifically on the calculation of supplementary earth electrodes to mitigate surface voltages. The session also includes a focused discussion of protection criteria and end-of-life monitoring for SPDs.