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ČSN EN IEC 60071-12 (330419)
Insulation co-ordination - Part 12: Application guidelines for LCC HVDC converter stations
Translate name
STANDARD published on 1.6.2023
The information about the standard:
Designation standards: ČSN EN IEC 60071-12
Classification mark: 330419
Catalog number: 516733
Publication date standards: 1.6.2023
SKU: NS-1144536
The number of pages: 76
Approximate weight : 228 g (0.50 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN IEC 60071-12 (330419):
This part of IEC 60071 applies guidelines on the procedures for insulation co-ordination of line commutated converter (LCC) stations for high-voltage direct current (HVDC) project, whose aim is evaluating the overvoltage stresses on the converter station equipment subjected to combined DC, AC power frequency, harmonic and impulse voltages, and determining the specified withstand voltages for equipment.
This document deals only with metal-oxide surge arresters, without gaps, which are used in modern HVDC converter stations. The criteria for determining the protective levels of series and/or parallel combinations of surge arresters used to ensure optimal protection are also presented. Typical arrester protection schemes and stresses of arresters are presented.
Annex A contains examples of insulation co-ordination for LCC HVDC converters which support the concepts described in the main text, and the basic analytical techniques used
Preview of the standard ČSN EN IEC 60071-12 (330419)
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