T/GSEE 17-2026 Active Group standards

T/GSEE 17-2026 Technical Specification for Compact Double-Layer High-Voltage/Low-Voltage Prefabricated Substation

Publish Date: 2026-03-25 Implement Date: 2026-03-25 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GSEE 17-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Substations, surge arrestors

Publish Date: 2026-03-25

Implement Date: 2026-03-25

Scope

This document specifies the terms and definitions, usage conditions, rated values, model descriptions, design and structure, type tests, and factory tests for compact double-layer prefabricated substations. This document applies to compact double-layer prefabricated substations (hereinafter referred to as "prefabricated substations") with an AC rated voltage of 3.6 to 24 kV on the high-voltage side, containing one or more transformers, operating at a frequency of 50 Hz, with a rated capacity of 30 to 2,500 kVA, installed outdoors in areas easily accessible to the public, and providing personnel protection. This standard system specifies the technical requirements for compact double-layer prefabricated high-voltage/low-voltage substations, covering core content such as product classification, usage conditions, structural design, performance parameters, test methods, and environmental protection requirements.