Understanding PRC-023-6: Ensuring Transmission Relay
NERC PRC-023-6 regulation, effective as of February 2024, is a regulatory standard aimed at managing the complex relationship between transmission relay settings, loadability, and system reliability.
What Changed in the 2026 NEC?
Adding all these new articles into the 2026 NEC was intended to make it easier for the user to find the specific code sections they need when it comes to these systems, while also
Installing and Maintaining Protective Relay Systems
Relay systems protect high-voltage equipment and transmission lines to ensure safe, stable systems. Although failure of a protective relay system may have severe local or regional impacts, most
Updates in Relay Protection Standards
In summary, updates in relay protection standards are essential to keep pace with evolving technologies and challenges in the power industry. IEC and IEEE provide comprehensive
C37.90.1-2024
Scope: This standard specifies design tests for relays, relay systems, and control devices used for the protection and control of electric power apparatus that relate to the immunity of this equipment to
Understanding 2023 NFPA 70B
The 2023 version of NFPA 70B, now a standard, shifts from recommendations to mandatory language surrounding the implementation of electrical maintenance programs.
IEEE C37.234 Guide for Protective Relay Applications to Power
A number of bus protection schemes are presented; their adequacy, complexity, strengths, and limitations with respect to a variety of bus arrangements are discussed; specific application
Understanding NERC Standard PRC-005-6 | EPE
NERC Standard PRC-005-6 requires that protective devices are regularly maintained and tested.
NERC PRC-005-6 Compliance Guide: Maintenance & Testing | PCS
On January 1, 2016, the current revision of PRC-005-6 became mandatory and enforceable. The revision captured months of significant efforts and numerous concurrently executed
Reliability Standards
A one-stop shop with links to standards, implementation plans, project pages, Reliability Standards Audit Worksheets, FERC Orders, and compliance guidance. Please select a jurisdiction for information on
Optical Power Meters & Sources
High-precision power meters (Ge/InGaAs) and stabilized light sources for insertion loss and return loss testing.
OTDR & Fiber Characterization
Full-featured OTDR, fiber OTDR testers, and modular OTDR test modules for network deployment and troubleshooting.
OSA & Eye Diagram Analyzer
High-resolution OSA for DWDM and eye diagram testers for signal integrity validation.
BERT & Endface Inspection
BERT up to 800G, fiber endface inspection probes, and extinction ratio meters for comprehensive testing.