IEC 60050-692:2017

Overview

IEC 60050-692:2017 is part of the International Electrotechnical Vocabulary (IEV) series developed by the International Electrotechnical Commission (IEC). This horizontal standard provides comprehensive terminology related to the dependability and quality of service in electric power systems, specifically in the generation, transmission, and distribution of electrical energy. Its terminology supports global harmonization and consistency across technical documents and communications within the power industry.

The vocabulary covers a wide array of concepts essential for understanding electric power system reliability, operational states, failures, outages, system availability, interruption types, customer impact, and bulk power system performance measures. As a standardized lexicon, IEC 60050-692 facilitates clearer communication, minimizes misunderstandings, and supports standardized reporting and analysis in engineering, maintenance, and management of power systems.

Key Topics

IEC 60050-692:2017 organizes its terminology into well-defined sections, making it a valuable resource for professionals dealing with various aspects of electric power system dependability and service quality:

• System Concepts: Fundamental terms describing the structure and function of power systems in dependability contexts.
• Operating States: Definitions related to the functional conditions under which electric power systems operate, including normal and degraded modes.
• Failures: Terminology for different types of faults, defects, and abnormalities affecting power system components.
• Outages: Clear distinctions between planned and unplanned equipment outages, their causes, and classifications.
• Outage Occurrences: Standardized expressions referring to the frequency and nature of outage events in the system.
• State Durations and Availability: Terms handling time-related concepts such as downtime, uptime, and availability metrics.
• Interruptions: Definitions covering service interruptions and their impact on power delivery.
• Customer Interruption Measures: Metrics and terms related to the impact of interruptions on end users including frequency, duration, and severity.
• Bulk Power System Load/Energy Curtailments: Vocabulary dealing with intentional or forced reductions in power supply to manage system stability.
• Bulk Electric System Failures and Measures: Terminology related to major system failures and associated reliability indices.
• Supply Performance Measures: Standardized performance indicators evaluating the quality and reliability of power supply.

This structured approach ensures comprehensive coverage, aiding system planners, operators, and regulators in evaluating and improving power system dependability.

Applications

The standardized terminology in IEC 60050-692:2017 is highly relevant for multiple practical applications in the power sector:

• Power System Design and Operation: Engineers utilize consistent terms to specify reliability and availability requirements, ensuring dependable infrastructure.
• Maintenance and Fault Management: Clear definitions assist in diagnosing failures, planning maintenance, and minimizing service interruptions.
• Performance Monitoring and Reporting: Utilities implement industry-standard metrics to assess service quality and meet regulatory expectations.
• Customer Service and Communication: Using uniform terms improves communication of outage impacts to customers and stakeholders.
• Research and Development: Academics and developers apply established vocabulary in studies and innovation related to system dependability and power quality.
• Regulatory Compliance: Supports compliance with national and international requirements by providing a common language for reporting and documentation.

By enabling unambiguous descriptions of dependability and service attributes, this vocabulary enhances operational efficiency, customer satisfaction, and regulatory clarity.

Related Standards

IEC 60050-692:2017 is part of the larger IEC 60050 series, which encompasses a broad range of electrotechnical vocabularies. Related parts that can complement understanding and application of this standard include:

• IEC 60050-191: Vocabulary on dependability concepts in general electrotechnical systems.
• IEC 60050-411: Terminology for rotating machines, relevant for power generation equipment.
• IEC 60050-161: Electromagnetic compatibility vocabulary, useful for understanding system interactions.
• IEC 60050-603: Terms for switchgear and controlgear, impacting power system reliability.

Access to the entire IEC 60050 series, including multilingual terms and definitions, is available via the official IEC Electropedia platform at www.electropedia.org, supporting global standardization and interoperability.

Keywords: IEC 60050-692, International Electrotechnical Vocabulary, electric power systems, dependability, quality of service, power generation, power transmission, power distribution, power system reliability, outages, interruptions, availability, customer interruption measures, bulk power system, power supply performance.