GB/T 27743-2025: Inspection method for transformer of special equipment

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Scope

This document describes the operating conditions, general inspection methods, and
specific inspection methods for transformer of specific equipment.
This document applies to cut-to-length line for transformer lamination, slitting line for
transformer lamination, vertical winding machine, horizontal winding machine, foil
coil winding machine, pressure increase vacuum drying plant, and vapour phase drying
plant used in transformer of specific equipment.

Basic Data

Standard ID	GB/T 27743-2025 (GB/T27743-2025)
Description (Translated English)	Inspection method for transformer of special equipment
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K97
Classification of International Standard	29.100.01
Word Count Estimation	14,168
Date of Issue	2025-10-05
Date of Implementation	2026-05-01
Older Standard (superseded by this standard)	GB/T 27743-2011
Issuing agency(ies)	State Administration for Market Regulation and Standardization Administration of China