IEEE C37.105-2010
IEEE Standard for Qualifying Class 1E Protective Relays and Auxiliaries for Nuclear Power Generating Stations
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About This Item
IEEE C37.105-2010 is a technical standard for qualifying Class 1E protective relays and auxiliaries used in nuclear power generating stations. It addresses how these safety-related components are evaluated for dependable performance in nuclear plant protection applications, where correct operation can affect plant safety and system integrity. As a focused requirements document, it helps define the qualification basis for equipment used in power, energy, and industrial control environments with nuclear-grade expectations.
What is IEEE C37.105-2010?
This standard provides guidance for qualifying Class 1E protective relays and auxiliary devices intended for nuclear power generating stations. It is concerned with equipment that supports protection and control functions in safety-related systems, where operating conditions and reliability demands are especially strict. IEEE C37.105-2010 is typically used to establish technical expectations for qualification, helping engineers and purchasers align design, test, and acceptance criteria with nuclear station requirements.
Where is IEEE C37.105-2010 used?
The standard is used in nuclear power generating stations, especially around protective relaying, auxiliary control equipment, and associated safety-related electrical systems. It is relevant to components that must perform consistently in qualifying environments and under station-specific electrical and operational stresses. In practice, IEEE C37.105-2010 may support engineering, testing, and procurement decisions for relays and auxiliaries integrated into plant protection schemes, control cabinets, and other Class 1E applications.
Why is IEEE C37.105-2010 important?
IEEE C37.105-2010 matters because qualification requirements help reduce uncertainty when selecting or approving protective relays and auxiliaries for nuclear service. Clear expectations support compliance, consistent testing, and better design control for equipment that may be part of safety-related functions. Using the standard can also improve procurement confidence and help verify that devices meet the performance and reliability expectations associated with nuclear power applications.
- Class 1E protective relays
- Auxiliary devices for nuclear stations
- Qualification and acceptance criteria
- Safety-related electrical applications
- Testing and design documentation
- Publication Date: 2010
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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