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NB/T 41009-2017Technical guide for custom power technology (English PDF)

定制电力技术导则

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

November 15, 2017

Implementation date

March 1, 2018

Scope

NB/T 41009-2017 is the English-translated version of 定制电力技术导则.

NB/T 41009-2017 is the Chinese energy industry guide to custom power, meaning supply arrangements that give a particular user a specified level of power quality and supply reliability.

It sets out how power users are divided into levels, the design principles for a custom power solution, the monitoring of power quality and supply information, and the technical analysis of the options available.

It also gives methods for the economic evaluation of custom power technology and for evaluating its operation once in service, with informative appendices on common custom power equipment and its functions and on recommended grid structures.

The guide is meant for sites where users need higher reliability and power quality than the public supply provides and are prepared to pay for it. Issued on 15 November 2017, it has applied since 1 March 2018.

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Document preview — NB/T 41009-2017

National Standard of the People's Republic of China

ICS: 29.020
Classification: K 04

Issued by: National Energy Administration of the People's Republic of China

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Power user level division
5 Custom Power Design Principles
6 Custom Power Information Monitoring
7 Technical Analysis of Custom Power
8 Economic Evaluation of Custom Power Technology
9 Custom Power Operation Evaluation
Appendix A (informative) Common custom power equipment and functions
Appendix B (Informative) Schematic diagram of recommended grid structure Reference

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

Some aspects of this standard may involve patents. The issuer of this standard does not assume responsibility for identifying these patents.

1 Scope

This standard specifies the user level division, design principles, information monitoring, technical analysis, economic evaluation, and operation evaluation of custom power. content.

This standard is applicable to occasions where users have higher requirements for power supply reliability and power quality and are willing to pay corresponding costs for this.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document.

GB/T 156 standard voltage

GB/T 12325 Power quality voltage deviation

GB/T 12326 Power quality voltage fluctuation and flicker

GB/T 14285 Technical regulations for relay protection and safety automatic devices

GB/T 14549 Power Quality Harmonics

GB/T 15543 power quality three-phase voltage imbalance

GB/T 15945 Power quality frequency deviation

GB/T 24337 Power Quality Harmonics among Public Grids

GB/Z 29328 Technical Specifications for Power Supply and Self-provided Emergency Power Supply for Important Power Users

GB/T 30137-2013 Power quality voltage dips and short interruptions

GB/Z 32880.1 Economic evaluation of power quality Part 1. Economic evaluation method for power users

GB/Z 32880.2 Economic evaluation of power quality Part 2. Economic evaluation method of public distribution network

DL/T 584 3kV ~ 110kV Grid Relay Protection Device Operation Setting Regulations

DL/T 1412-2015 High-quality power park technical specifications

DL/T 5729-2016 Technical Guidelines for Planning and Design of Distribution Networks

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Custom power

Power supply that meets user specific power quality and power supply reliability requirements.

3.2 Custom power user

Users with specific requirements for power supply reliability and power quality.

3.3 Custom power devices; custom power controller

A combination of power electronics or other devices that achieves the specific power quality and reliability requirements of a power distribution network.

Note: Refer to Appendix A for custom power equipment.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

NB/T 10562-2021|NB/T 10634-2021|NB/T 10635-2021|NB/T 10637-2021|NB/T 10638-2021|NB/T 20615-2021

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