IEEE PC37.90.2/D5, Apr 2022
IEEE Draft Standard for Relays, Relay Systems, and Control Devices used for Protection and Control of Electric Power Apparatus – Radiated Electromagnetic Interference Withstand Capability Requirements and Tests
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Language: English
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About This Item
IEEE PC37.90.2/D5, Apr 2022 is a draft IEEE standard focused on radiated electromagnetic interference withstand capability requirements and tests for relays, relay systems, and control devices used in protection and control of electric power apparatus. It is relevant where sensitive control equipment must continue to operate reliably in electromagnetic environments. For engineers, specifiers, and test planners, IEEE PC37.90.2/D5, Apr 2022 helps define how these devices are evaluated for interference tolerance and practical performance under exposure.
Overview of IEEE PC37.90.2/D5, Apr 2022
This technical document addresses how protection and control equipment should be assessed for radiated electromagnetic interference susceptibility and withstand capability. It is aimed at relay-based and control-device applications in electric power systems, where dependable operation is essential. The standard’s draft status indicates it represents a development-stage specification, but its core purpose is clear: to support consistent testing and engineering expectations for equipment exposed to external electromagnetic fields. IEEE PC37.90.2/D5, Apr 2022 is therefore closely tied to compliance testing and design verification.
Typical use cases
This standard is commonly used when evaluating relays, relay systems, and control devices installed in substations, switchgear environments, and other power apparatus protection schemes. It can guide laboratory test setups, equipment qualification, and procurement specifications for components that must remain stable during radiated interference exposure. It is also relevant to utilities, manufacturers, and test facilities working on protection and control equipment where electromagnetic compatibility and operational reliability are important design concerns.
Why it matters
Radiated interference can affect trip logic, control functions, and monitoring signals in protection equipment, so clear withstand requirements help reduce operational risk. IEEE PC37.90.2/D5, Apr 2022 supports more consistent testing and comparison across devices, which is useful for design control, acceptance testing, and specification writing. For organizations responsible for electric power apparatus protection, the standard can improve confidence that equipment will perform as intended in real-world electromagnetic conditions and not fail due to interference-related disturbance.
- Radiated electromagnetic interference withstand testing
- Relays and relay system evaluation
- Control devices for electric power apparatus
- Protection and control equipment qualification
- Draft-stage IEEE technical requirements
- Publication Date: 2022
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: PC37.90.2 (2024)
- Previous Version: PC37.90.2 (2024)
- This Version: PC37.90.2 (2022)
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