IEEE PC37.90.3/D6, Jan 2023

IEEE PC37.90.3/D6, Jan 2023 is an approved draft standard focused on electrostatic discharge tests for protective relays. It addresses how relay equipment should be evaluated for susceptibility to ESD events that can occur during handling, installation, or service. By defining a consistent test approach, the document helps engineers assess whether protective relays maintain reliable operation and expected performance in electrically stressed environments across power and energy applications.

Overview of IEEE PC37.90.3/D6, Jan 2023

This draft standard provides technical guidance for electrostatic discharge testing within the protective relay domain. IEEE PC37.90.3/D6, Jan 2023 is relevant where relay performance must be verified against static discharge conditions that may affect electronic circuitry, interface points, and operational integrity. As an IEEE-approved draft standard, it is intended to support controlled evaluation methods and a common basis for comparing test results during design review, qualification, and compliance-oriented engineering work.

Typical use cases

This standard is commonly used when specifying or evaluating protective relays for substations, control panels, and related power system protection equipment. It may support laboratory testing of relay hardware, product qualification before deployment, and acceptance checks for devices used in utility and industrial power networks. Engineers may also reference IEEE PC37.90.3/D6, Jan 2023 when coordinating test plans for fields, waves, and electromagnetics-related immunity assessments in relay-focused applications.

Why it matters

Electrostatic discharge can cause nuisance behavior, temporary malfunction, or damage in sensitive protective relay circuitry. IEEE PC37.90.3/D6, Jan 2023 matters because it gives buyers, test labs, and design teams a shared framework for checking ESD robustness in a consistent way. That consistency supports better procurement decisions, clearer compliance review, and lower risk of field issues. For equipment that protects power systems, repeatable testing is important for confidence in performance and operational reliability.

• Electrostatic discharge immunity testing
• Protective relay qualification and verification
• Power-system control and protection equipment
• Design and compliance test planning
• Draft IEEE technical reference for relay ESD evaluation