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GB 45247-2025 English PDF

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GB 45247-2025: Norm of energy consumption per unit production of gas-steam combined cycle power set
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Standard similar to GB 45247-2025

GB 40879   GB 40878   GB/T 41013   GB 17167   GB 45246   

Basic data

Standard ID GB 45247-2025 (GB45247-2025)
Description (Translated English) Norm of energy consumption per unit production of gas-steam combined cycle power set
Sector / Industry National Standard
Classification of Chinese Standard F01
Classification of International Standard 27.010
Word Count Estimation 10,179
Date of Issue 2025-01-24
Date of Implementation 2025-08-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB 45247-2025: Norm of energy consumption per unit production of gas-steam combined cycle power set


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 27.010 CCSF01 National Standard of the People's Republic of China Gas-steam combined cycle generator unit products Energy consumption limit Released on 2025-01-24 2025-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Standardization Administration. Gas-steam combined cycle generator unit products Energy consumption limit

1 Scope

This document specifies the limit level, technical requirements and specifications of unit product energy consumption (hereinafter referred to as energy consumption) of gas-steam combined cycle power generation units. Requirements, statistical scope and calculation methods. This document applies to the coal consumption rate of gas-steam combined cycle power generation units (hereinafter referred to as units) with a capacity of 100MW and above Calculation and assessment of heating coal consumption rate, as well as energy consumption control of newly built, modified or expanded units. This document does not apply to distributed gas-fired power generation projects.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 2589 General rules for comprehensive energy consumption calculation GB/T 12723 General rules for the compilation of energy consumption limits per unit product GB/T 15135 Gas Turbine Vocabulary GB 17820 Natural Gas DL/T 904 Calculation methods for technical and economic indicators of thermal power plants DL/T 1365 Terminology and Terms Electricity Energy Saving

3 Terms and definitions

The terms and definitions defined in GB/T 12723, GB/T 15135, GB 17820, DL/T 1365 and the following apply to this document. 3.1 net[standard]coalconsumptionrate During the statistical period, the average amount of standard coal consumed by the unit for each 1kW·h of electricity provided externally. [Source. DL/T 1365-2014, 5.3.1.19, modified] 3.2 Heating [standard] coal consumption rate During the statistical period, the average amount of standard coal consumed by the unit to provide 1GJ of heat to the outside. [Source. DL/T 1365-2014, 5.3.1.18, modified] 3.3 heat-supplyratio The percentage of unit heat supply to combined cycle heat consumption during the statistical period. [Source. DL/T 1365-2014, 5.3.1.6, modified]

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