GB/Z 163.1-2025 Active National standards

GB/Z 163.1-2025 High-voltage direct current(HVDC)systems—Guidance to the specification and design evaluation of AC filters—Part 1:Overview

Publish Date: 2025-12-03 Implement Date: 1970-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/Z 163.1-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Power semiconductor devices and components

ICS Name: Rectifiers, converters, and regulated power supplies

Publish Date: 2025-12-03

Implement Date: 1970-01-01

Pages: 88 pages

Scope

This document provides guidance on the specifications of AC filters in high-voltage direct current (HVDC) systems with grid-commutated converters (LCC HVDC) and the calculation of harmonic performance on the AC side, including terms and definitions, an overview of AC filter specifications for HVDC systems, limits for allowable distortion rates, the generation of harmonics, filter configuration, filter performance calculations, filter switching and reactive power control, and user-specified parameters and requirements. It is primarily intended for use by utility companies and consulting agencies responsible for issuing new HVDC project specifications and evaluating the designs of potential suppliers. This document applies to AC filters used in HVDC systems with grid-commutated converters (LCC) to suppress harmonic distortion and audible-sensitive frequency interference, and does not apply to filters for power line carriers (PLC) and radio interference spectra. AC filter specifications for HVDC systems based on voltage-source converters (VSC) are also referenced for use. The majority of this document focuses on "conventional" AC filter technology and LCC HVDC. CIGRE Technical Manual 754 and IEC TR 62001-5 discuss voltage-source converters (VSC).