NB/T 11055-2023 Active Industry standards-Energy

NB/T 11055-2023 The requirements for relay protection technology in a hybrid AC/DC distribution network

Publish Date: 2023-02-06 Implement Date: 2023-08-06 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: NB/T 11055-2023

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Relay protection and automatic devices

ICS Name: The integrated transmission and distribution network

Publish Date: 2023-02-06

Implement Date: 2023-08-06

Pages: 19 pages

Scope

This document is applicable to the relay protection of DC distribution networks with a voltage level of ±10 kV and below, as well as AC power equipment connected to DC distribution networks with a voltage level of 20 kV and below. It covers the protection areas on the AC side, the protection areas of AC-DC connections, and the protection areas on the DC side (protection areas of DC lines and busbars).