GB/T 33757.2-2024 English PDF

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GB/T 33757.2-2024: Energy saving ratio for distributed energy system of combined cooling, heating and power - Part 2: Multi-energies hybrid driven systems
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Basic data

Standard ID: GB/T 33757.2-2024 (GB/T33757.2-2024)
Description (Translated English): Energy saving ratio for distributed energy system of combined cooling, heating and power - Part 2: Multi-energies hybrid driven systems
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 22,235
Date of Issue: 2024-09-29
Date of Implementation: 2025-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 33757.2-2024: Energy saving ratio for distributed energy system of combined cooling, heating and power - Part 2: Multi-energies hybrid driven systems

---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 Energy saving rate of distributed cooling, heating and power energy system Part 2.Multi-energy complementary drive system Released on 2024-09-29 2025-04-01 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. This document is part 2 of GB/T 33757 "Energy Savings of Distributed Cooling, Heating and Electricity Energy Systems". GB/T 33757 has been published. The following parts. --- Part 1.Fossil energy drive systems; --- Part 2.Multi-energy complementary drive system. 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 was proposed and coordinated by the National Technical Committee for Energy System Standardization (SAC/TC459). This document was drafted by. Institute of Engineering Thermophysics, Chinese Academy of Sciences, China National Institute of Standardization, China Huadian Corporation, Dongguan New Energy Research Institute, Tsinghua University, Beijing University of Chemical Technology, China Resources Power Investment Co., Ltd. Shenzhen Branch, China Southern Power Grid Power Technology Co., Ltd. Co., Ltd., Sunrise Oriental Holdings Co., Ltd., and Sinopec Group Shengli Petroleum Administration Bureau Co., Ltd. The main drafters of this document are. Sui Jun, Liu Meng, Wang Feng, Zheng Danxing, Shi Lin, Feng Lejun, Xu Jingjing, Zhang Na, Li Debo, Han Wei, Yuan Jie, Liu Qibin, Zhao Yawen, Jiao Qingtai, Jin Fengchu, Li Xiangyuan, Cheng Jianhong, Yang Jie, Liang Xiuying, He Yuan, Zhang Sinan.

Introduction

Distributed energy systems have important practical significance and far-reaching strategic significance for building a clean, low-carbon, safe and efficient modern energy system. GB/T 33757 "Energy Saving Rate of Distributed Cooling, Heating and Electricity Energy Systems" focuses on the statistical scope of energy saving rate of distributed cooling, heating and electricity energy systems. Range and calculation method. GB/T 33757 aims to establish an energy-saving evaluation method for distributed cooling, heating and power energy systems, which is intended to consist of three parts. --- Part 1.Fossil energy driven systems. The purpose is to give the distributed cooling, heating and power systems driven by gas or liquid fossil energy. Technical requirements, statistical scope and calculation method for energy saving rate of power source system. --- Part 2.Multi-energy complementary drive system. The purpose is to give gaseous or liquid fossil fuels, gaseous biomass fuels, hydrogen, Renewable energy generation (wind power, solar power, etc.), grid power (electricity from the public power grid), external industrial waste heat, solar thermal energy, etc. Energy cascade utilization characteristics, multi-energy complementary utilization characteristics and renewable energy utilization characteristics of distributed cooling, heating and power energy systems driven by multi-energy complementary Analysis and evaluation methods for bioenergy utilization characteristics. --- Part 3.Non-fossil energy driven systems. The purpose is to provide a distributed cooling, heating and power energy system driven by pure renewable energy Technical requirements, statistical scope and calculation method of energy saving rate. Energy saving rate of distributed cooling, heating and power energy system Part 2.Multi-energy complementary drive system

1 Scope

This document specifies the system definition and statistical scope, calculation method, system Implementation steps and methods of systematic evaluation. This document applies to gaseous or liquid fossil fuels, gaseous biomass fuels, hydrogen, renewable energy generation (wind power, solar power, etc.), Grid electricity (electricity from the public power grid, limited to being used as power for fans and water pumps), external industrial waste heat, solar thermal energy and other multi-energy complementary drive system. This document is not applicable to systems powered by purely renewable energy sources.

2 Normative references

The contents of the following documents constitute 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 2587 General rules for energy balance of energy-consuming equipment GB/T 2589 General rules for comprehensive energy consumption calculation GB/T 3484 General principles for energy balance of enterprises GB 17167 General rules for the allocation and management of energy metering instruments in energy-consuming units GB/T 19001 Quality Management System Requirements GB/T 28750 General technical rules for energy saving measurement and verification

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Set up near users, various types of power generation driven by fossil energy, renewable energy and hydrogen energy, and cascade and complementary use of various input Energy and systems An energy system that generates electricity and waste heat to produce cold and/or heat, and outputs electricity, cold and/or heat to users locally. Note. Hereinafter referred to as multi-energy system. 3.2 The statistical timing period is a continuous operating year of one cooling season and one heating season. Note. Hereinafter referred to as reporting period. 3.3 The total energy consumption of the multi-energy system under operating conditions is calculated with a full operating year of 12 consecutive months as the observation period. ......

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