IEEE PC37.92/D14, Dec 2004 is a draft standard that addresses analog inputs to protective relays from electronic voltage and current transducers. In power, energy, and industrial applications, this technical document helps define how relay inputs should receive and interpret transducer signals, supporting more consistent protection-system behavior. IEEE PC37.92/D14, Dec 2004 is relevant where accurate signal transfer, interface expectations, and equipment coordination matter for reliable relay operation.

IEEE PC37.92/D14, Dec 2004 overview

This standard focuses on the interface between electronic voltage and current transducers and protective relays, with attention to analog input characteristics used in protection schemes. It is intended to support clearer requirements for signal handling, helping engineers compare equipment and evaluate compatibility within relay-based systems. As a draft IEEE document, IEEE PC37.92/D14, Dec 2004 reflects a technical framework for defining expected performance and input behavior in electrical protection applications.

Typical use cases

Typical use cases include protective relays used in substations, switchgear assemblies, and other power-system equipment where electronic transducers provide voltage or current measurements. The standard is also relevant during specification and procurement of relay interfaces, especially when integrating measurement chains into protection, monitoring, or control workflows. It may be consulted by engineers working on equipment selection, input verification, or coordination of transducer-to-relay signal paths in utility and industrial power installations.

Why this standard matters

This standard matters because protective relays depend on predictable analog inputs to make correct trip and control decisions. Clear requirements can reduce interface ambiguity, support testing and acceptance procedures, and help limit errors caused by mismatched transducer and relay characteristics. For organizations managing electrical protection assets, IEEE PC37.92/D14, Dec 2004 can aid design control, compliance review, and performance consistency across connected equipment in power and energy systems.

• Analog input requirements
• Electronic voltage transducers
• Electronic current transducers
• Protective relay interfaces
• Power-system protection applications