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EVS-EN IEC 62271-215:2021

High-voltage switchgear and controlgear - Part 215: Phase comparator used with VDIS

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Kehtiv alates 01.09.2021
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IEC 62271-215:2021; EN IEC 62271-215:2021
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Nimetus
01.09.2021
Põhitekst
IEC 62271-215:2021 is applicable to phase comparators designed to be plugged into the testing points of a voltage detecting and indicating system (VDIS) according to IEC 62271-213, to give an indication of the result of a phase comparison. The main usage is to provide a clear evidence of the phase relationship between two energized parts of a high-voltage network, at the same nominal voltage and frequency before coupling them. This first edition cancels and replaces the first edition of IEC 61243-5 published in 1997 and the first edition of IEC 62271-206 published in 2011. This edition constitutes a merging of the content of IEC 61243-5 and IEC 62271-206. This edition includes the following significant technical changes with respect to the previous editions of IEC 61243-5 and IEC 62271-206: - the document does not include the specific phase comparators (SPCs) as defined in IEC 61243-5, which was specific to manufacturers, and takes back the technical principles of the universal phase comparator (UPC) for VDIS of all manufacturers; - the phase comparator for sequential connected operation is introduced to facilitate the operation of phase comparation of large MV panels.
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