DS/IEC CISPR/TR 18-2:2010 ( Withdrawn )

Radio interference characteristics of overhead power lines and high-voltage equipment - Part 2: Methods of measurement and procedure for determining limits

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This technical report applies to radio noise from overhead power lines and high-voltage equipment which may cause interference to radio reception.
The frequency range covered is 0,15 MHz to 300 MHz.
A general procedure for establishing the limits of the radio noise field from the power lines and equipment is recommended, together with typical values as examples, and methods of measurement.
The clause on limits concentrates on the low frequency and medium frequency bands and it is only in these bands where ample evidence, based on established practice, is available. No examples of limits to protect radio reception in the frequency band 30 MHz to 300 MHz have been given, as measuring methods and certain other aspects of the problems in this band have not yet been fully resolved. Site measurements and service experience have shown that levels of noise from power lines at frequencies higher than 300 MHz are so low that interference is unlikely to be caused to television reception.
The values of limits given as examples are calculated to provide a reasonable degree of protection to the reception of broadcasting at the boundary of the recognized service areas of the appropriate transmitters in the radio frequency bands used for a.m. broadcasting, in the least favourable conditions likely to be generally encountered. These limits are intended to provide guidance at the planning stage of the line and national standards or other specifications against which the performance of the line may be checked after construction and during its useful life.
The measuring apparatus and methods used for checking compliance with limits should comply with the respective CISPR specifications, as e.g. the basic standards series CISPR 16.

Number of pages: 76

Published: 2010-11-28

Date of approval: 2010-08-02

Date of withdrawal: 2017-11-03

International relationships : CISPR TR 18-2:2010 IDT

ICS: 33.100.10 - Emission

Item number: M236932




Danish committee