GB/T 12326-2008: Power quality - Voltage fluctuation and flicker

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Scope

This Standard specifies the limits and test, calculation and evaluation methods
of voltage fluctuation and flicker.
This Standard is applicable to the rapid change of the voltage of the common
connection point caused by the fluctuating load under the normal operation
mode of the AC 50Hz power system and the occasion where people may
obviously feel the light flicker.

Basic Data

Standard ID	GB/T 12326-2008 (GB/T12326-2008)
Description (Translated English)	Power quality - Voltage fluctuation and flicker
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	F20
Classification of International Standard	27.100
Word Count Estimation	16,139
Date of Issue	2008-06-18
Date of Implementation	2009-05-01
Older Standard (superseded by this standard)	GB 12326-2000
Quoted Standard	GB/T 156-2007; GB 17625.2; GB/Z 17625.3; IEC 61000-4-15-1996
Regulation (derived from)	Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the voltage fluctuation and flicker limits and testing, calculation and assessment methods. This standard applies to AC 50Hz power system normal operation mode, the load fluctuation caused by the voltage at the point of common coupling quick movements and thus may cause people obviously feel the flashing lights of the occasion.