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EPRI TR 102323 Revision 5

Electromagnetic Interference Testing of Power Plant Equipment EPRI TR 102323 Revision 5

The EPRI TR 102323 testing standard, specifically in its Revision 5, serves as a guide for ensuring Electromagnetic Compatibility (EMC) within nuclear power facilities. This revision addresses the intricacies and challenges posed by electromagnetic interference (EMI) in both digital and traditional analog instrumentation and control (I&C) systems.

With the increasing integration of digital technologies in nuclear settings, the demand for robust EMI testing protocols has grown. Revision 5 of EPRI TR 102323 meets this need by providing a detailed approach for engineers to evaluate and counteract EMI issues effectively.

This is crucial for the uninterrupted and safe functionality of essential components in nuclear power plants.

Revision 5 builds upon the foundational work established in previous versions, including the significant developments introduced in Revision 4. It further refines and enhances EMC testing guidelines, ensuring that the standards evolve in line with technological advancements and operational needs within the nuclear industry.

For a deeper understanding of the evolution of these testing standards and the specific differences between the revisions, detailed information is available at the provided links:

Summary of EPRI TR 102323 Nuclear Power Plant Testing Revision 5

By implementing the comprehensive EMI tests outlined in EPRI (Electric Power Research Institute) TR 102323 Revision 5, nuclear power facilities can proactively detect and manage electromagnetic interference (EMI) that might otherwise disrupt operations or lead to costly downtime.

For equipment that is either new or has not previously been tested, it is essential to engage with vendors to discuss specific EMC testing requirements. This engagement should cover considerations for commercial-grade equipment and internal module and component-level replacements, ensuring that all components conform to rigorous EMC standards to avoid failures and prolong equipment lifespan.

Evaluation of Early Nuclear Power Plant Equipment Data

The EMI/RFI emission data reflected in TR 102323 Revision 5 were gathered from numerous nuclear plants, employing procedures adapted from the military standards 461 (MIL-STDs). These standards, developed by the U.S. Department of Defense, measure emissions from various equipment and emission sources, This helps ensuring a thorough understanding and management of EMC within the highly regulated nuclear power sector.

This revision enhances the framework for handling EMC complexities, confirming that every piece of equipment adheres to the EMC standards necessary for safe and efficient nuclear power plant operations.

Low-Frequency Conducted Emissions

Examines emissions at frequencies typically below 150 kHz, establishing benchmarks for emissions that power plant equipment should not exceed.

High-Frequency Conducted Emissions

Focuses on emissions within the 150 kHz to 30 MHz range, outlining specific tests to ensure equipment compliance with set limits to maintain operational integrity.

Radiated Magnetic Field Emissions

Discusses the importance of testing for magnetic fields generated by plant equipment, ensuring they do not interfere with sensitive electronics.

Radiated Electric Field Emissions

Tests for electric fields to ensure they remain within acceptable limits to avoid disrupting plant operations and communication systems.

Conducted Transient Emissions

Addresses how power plants should handle transient spikes in conducted emissions to prevent potential damage to electrical and electronic systems.

Nuclear Equipment Susceptibility and Emissions Testing Procedures

Revision 5 of EPRI TR 102323 aims to refine the approach to EMC in nuclear power settings, enhancing guidelines to cover new technologies and operational practices that have emerged since the last revision.

This ensures that all power plant equipment meets stringent EMC criteria, minimizing the risk of EMI-related failures and promoting ongoing operational excellence.

Susceptibility Testing

Low-Frequency Conducted Susceptibility: Details testing for equipment’s tolerance to low-frequency conducted disturbances, referencing specific industry standards for acceptable levels.

High-Frequency Conducted Susceptibility: Outlines susceptibility to higher frequency disturbances, incorporating relevant testing standards to assess equipment robustness.

Low-Frequency Radiated Magnetic Field Susceptibility: Provides guidelines for evaluating equipment vulnerability to low-frequency magnetic fields, ensuring compliance with established testing protocols.

High-Frequency Radiated Electric Field Susceptibility: Emphasizes the need for equipment to withstand high-frequency electric fields, specifying applicable testing standards.

Surge and Electrically-Fast Transient/Burst Susceptibility: Discusses testing for susceptibility to surge and fast transient events, crucial for protecting sensitive plant components.

Electrostatic Discharge Susceptibility: Covers how equipment should resist electrostatic discharges, critical for maintaining operational stability and safety.

Emissions Testing

Low-Frequency Conducted Emissions: Sets forth limits and testing procedures for low-frequency emissions from equipment, ensuring compliance with strict EMC standards.

High-Frequency Conducted Emissions: Specifies testing guidelines for high-frequency emissions to maintain electromagnetic compatibility within the plant.

Low-Frequency Radiated Magnetic Field Emissions: Establishes requirements for testing low-frequency magnetic emissions from equipment, ensuring they do not exceed defined thresholds.

High-Frequency Radiated Electric Field Emissions: Outlines the acceptable limits and standards for high-frequency electric field emissions to prevent interference with critical plant operations.

Expert Nuclear Power Plant EMI Testing Laboratory

Keystone Compliance can accommodate fixed, mobile, and portable devices of all sizes. Our team strives to give our customers more time and energy on product development instead of testing. Keystone has a full lab of test equipment which permits us to provide short lead times on scheduling. 

If you are ready to start your EPRI TR 102323 and MIL-STD testing, please request a quote. Have a question about EPRI Nuclear Power Plant EMI Testing? Contact us or call (724) 657-9940 and we will determine the best course of action.

Common Nuclear Power Plant EMI Testing Standards

Department of Defense Interface Standard MIL-STD-461E

Described as “Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment”.

IEC Standard European Norm (EN) 61000


IEEE Standards

  • IEEE C62.41: Surge and Electrically-Fast Transient tests.

CISPR Standards

American National Standard Institute (ANSI) Standards

  • ANSI 63.4
  • ANSI 63.12