DL/T 345-2019: Application guidelines of UV diagnostic technology for live electrical equipment

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Scope

This standard specifies the on-site detection requirements, detection methods,
determination of discharge defect types and detection results diagnosis, defect severity's
classification and handling, detection cycle, instrument and data management
requirements, for the application of ultraviolet imaging technology, to the diagnosis of
corona discharge of live electrical equipment.
This standard applies to the corona discharge detection and defect diagnosis, for high-
voltage live electrical equipment (mainly including equipment conductors and insulator
surfaces), which is caused by various reasons, using an ultraviolet imager.

Basic Data

Standard ID	DL/T 345-2019 (DL/T345-2019)
Description (Translated English)	Application guidelines of UV diagnostic technology for live electrical equipment
Sector / Industry	Electricity and Power Industry Standard (Recommended)
Classification of Chinese Standard	F23
Classification of International Standard	29.240.20
Word Count Estimation	22,257
Date of Issue	2019-11-04
Date of Implementation	2020-05-01
Older Standard (superseded by this standard)	DL/T 345-2010
Quoted Standard	GB 26859; GB 26860; DL/T 298; DL/T 1779
Issuing agency(ies)	National Energy Administration
Summary	This standard specifies the on-site inspection requirements, inspection methods, determination of discharge defect types and inspection results diagnosis, defect severity classification and processing, inspection cycle, instrument and data management requirements for the application of ultraviolet imaging technology to the diagnosis of corona discharge of charged equipment. This standard applies to the corona discharge detection and defect diagnosis of high-voltage charged equipment (mainly including equipment conductors and insulator surfaces) caused by various reasons using an ultraviolet imager.