IEC 62271-202:2022
High-voltage switchgear and controlgear - Part 202: AC prefabricated substations for rated voltages above 1 kV and up to and including 52 kV
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About This Item
IEC 62271-202:2022 provides a technical reference for AC prefabricated substations for rated voltages above 1 kV and up to and including 52 kV. It is relevant to engineering teams, utilities, manufacturers, and procurement specialists who need a clear compliance reference for medium-voltage substation solutions. As a primary document for technical review, it supports consistent evaluation of design choices, documented assessment, and conformity assessment activities linked to high-voltage switchgear and controlgear applications.
What is IEC 62271-202:2022?
IEC 62271-202:2022 is the third edition of the document covering AC prefabricated substations within the stated voltage range. Based on the official title, its purpose is to define requirements and guidance for prefabricated substation assemblies used in electrical infrastructure. It is typically used during engineering specification development, technical validation, and compliance preparation, where a structured reference is needed to review design intent, installation expectations, and the suitability of the equipment for its intended operational environment.
Applications of IEC 62271-202:2022
This document is commonly used in projects involving compact or factory-assembled substation solutions for distribution networks, industrial sites, utility installations, and infrastructure developments. It may support procurement reviews, design verification, laboratory evaluation, and quality workflows where AC prefabricated substations must be assessed against defined technical expectations. Engineers and compliance teams often use it when documenting requirements for electrical equipment selection, integration planning, and operational consistency across similar substation deployments.
Why is IEC 62271-202:2022 important?
IEC 62271-202:2022 matters because prefabricated substations often need to balance safety, performance, and installation efficiency while still meeting technical compliance requirements. A clear reference helps reduce interpretation differences during testing workflows, procurement checks, and technical assessment activities. It can also support risk management by giving stakeholders a common basis for evaluating conformity, documenting decisions, and preparing evidence for regulatory or internal review. For organizations working with medium-voltage infrastructure, it improves consistency across engineering and validation processes.
- Supports technical review of AC prefabricated substations for above 1 kV up to and including 52 kV
- Useful for conformity assessment, specification writing, and procurement evaluation
- Helps align engineering documentation with documented evaluation and quality assurance workflows
- Provides a stable reference point for compliance preparation and technical validation
- Publication Date: 2022-06-22
- Standard Status: Original
- Publisher: IEC
- Edition: 3
- New Version Available: IEC 62271-202:2022 (2023-08-24)
- This Version: IEC 62271-202:2022 (2022-06-22)
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