High-voltage direct current (HVDC) systems. Guidance to the specification and design evaluation of AC filters - Overview
High-voltage direct current (HVDC) systems. Guidance to the specification and design evaluation of AC filters - Overview
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1 Scope This part of IEC 62001, which is a Technical Report, deals with the specification and design evaluation of AC side harmonic performance and AC side filters for HVDC schemes. It is intended to be primarily for the use of the utilities and consultants who are responsible for issuing the specifications for new HVDC projects and evaluating designs proposed by prospective suppliers. This document provides guidance on the specifications of AC filters for high-voltage direct current (HVDC) systems with line-commutated converters and filter performance calculation. The scope of this document covers AC side filtering for the frequency range of interest in terms of harmonic distortion and audible frequency disturbances. Where the term "HVDC converter" or "HVDC station" is referred to without qualification, in this document, it is understood to refer to LCC technology. It excludes filters designed to be effective in the power line carrier (PLC) and radio interference spectra. The bulk of this document concentrates on the "conventional" AC filter technology and LCC (line-commutated converter) HVDC. Voltage sourced converter (VSC) specific issues are discussed in CIGRE Technical Brochure 754 [1] 2 and in IEC TR 62001‑5 [2].
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