T/CES 053-2021 Active Group standards

T/CES 053-2021 Underground cable group transfer matrix method for temperature rise calculation guidelines

Publish Date: 2021-02-22 Implement Date: 2021-02-25 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: T/CES 053-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrician

ICS Name: Cable

Publish Date: 2021-02-22

Implement Date: 2021-02-25

Scope

Scope: This standard specifies the method of calculating the steady-state temperature rise of underground cable groups using transfer matrices. This standard applies to directly buried or duct-installed power cable groups; Main technical content: This standard specifies the method of calculating the steady-state temperature rise of underground cable groups using transfer matrices. This standard applies to directly buried or duct-installed power cable groups. The standard consists of 5 chapters, and the main structure and content of the standard are as follows: Chapter 1 "Scope", which mainly explains the purpose, main content, and scope of application of the standard. Chapter 2 "Normative Reference Documents", which lists the standards referenced by this standard. Chapter 3 "Terms and Definitions", which defines the main terms applicable to this standard. Chapter 4 "Symbols, Codes, and Abbreviations", which explains the symbols used in this standard. Chapter 5 "Steps", which specifies the calculation process of the transfer matrix method. Appendix A provides an example of calculating the temperature rise of cable groups using the transfer matrix method. This standard complies with relevant national laws and regulations. At present, there are no relevant valid national, industry, or group standards in China. This group standard fills the domestic gap and proposes a method for calculating the current-carrying capacity of cables.