NB/T 11057-2023 Active Industry standards-Energy

NB/T 11057-2023 Transformer cooling control protection device technical requirements

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 11057-2023

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

Scope

This document is applicable to the cooling system control and protection devices of oil-immersed power transformers with forced oil circulation air cooling, forced oil circulation water cooling, and natural oil circulation air cooling. It serves as the basis for the design, manufacture, testing, inspection, and acceptance of such devices. Other large-capacity oil-filled equipment cooling control and protection devices can be implemented with reference to this document.