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IEEE Guide for Conducting Corona Tests on Hardware Assemblies for Overhead Transmission Lines and Substations
Revision Standard - Active.
Uniform procedures for the testing of ac transmission line and station bus hardware assemblies in high-voltage (>100 kV) laboratories are established by this guide.
Two tests are described by the guide:
Visible techniques to determine the onset of positive corona are used by the first test.
The second test is a measurement of the RIV voltage according to ANSI C63.2 or CISPR 16-1-1 and CISPR 18-2.
The permissible radio interference (RI) limits or specified corona extinction voltages are not addressed by this guide. They are set either by regulation or by agreement between the end user and hardware manufacturer.
This guide establishes uniform procedures for the testing of transmission line and station bus hardware assemblies in high-voltage (> 100 kV) laboratories.
Two tests are described:
The first test uses visible techniques to determine the onset of positive corona.
The second test is a measurement of the RIV voltage according to ANSI C63.2 or CISPR 16-1-1 and CISPR 18-2.6.
This guide does not address the permissible radio interference (RI) limits or specified corona extinction voltages. They are set either by regulation or by agreement between the end user and hardware manufacturer.
A uniform procedure is a prerequisite to help assure such hardware assemblies are either free from visible corona or do not add any appreciable radio interference (RI) to that already being generated by the transmission line or substation conductors.
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