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Database: 189760 (18 Oct 2025)
GB/T 18481-2001 English PDF
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GB/T 18481-2001
: Power quality -- Temporary and transient overvoltage
Status: Valid
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GB/T 18481-2001
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Power quality -- Temporary and transient overvoltage
Valid
GB/T 18481-2001
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Basic data
Standard ID
GB/T 18481-2001 (GB/T18481-2001)
Description (Translated English)
Power quality. Temporary and transient overvoltages
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
F20
Classification of International Standard
27.100
Word Count Estimation
16,197
Date of Issue
2001-11-02
Date of Implementation
2002-04-01
Quoted Standard
GB 156-1993; GB 311.1-1997; GB/T 2900.19-1994; GB/T 16927.1-1997; GB/T 16935.1-1997
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary
This standard specifies the AC power system electrical equipment acting on temporary overvoltage and transient over-voltage requirements, electrical equipment, insulation levels, and over-voltage protection methods. When it comes to over-voltage side of power quality problems, should be in accordance with the provisions of the standard, combined with the grid, the device characteristics and use of the environment with reference to the relevant professional standards. This standard does not apply to static electricity, touch the high-voltage system, and steady-state waveform distortion caused by over-voltage.