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GB/T 37227 consists of the following five parts under the general title Evaluation method and testing method for energy performance of refrigerating systems:
——Part 1: Energy-storage air conditioning systems;
——Part 2: Multi-energy complementary heating and air conditioning systems;
——Part 3: Supermarket refrigeration systems;
——Part 4: Heat pump system based on low-grade heat energy utilization;
This part is developed in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by and is under the jurisdiction of the National Technical Committee on Energy System of Standardization Administration of China (SAC/TC 459).
Evaluation method and testing method for energy performance of refrigerating systems—
Part 1: Energy-storage air conditioning systems
1 Scope
This part of GB/T 37227 specifies the relevant terms, basic requirements, performance rating methods, testing and calculation methods, etc. of air conditioning and refrigerating systems using energy-storage technology, in which performance rating is carried out from the aspects of energy efficiency and economy.
This part is applicable to various forms of energy storage air conditioning systems such as ice storage and water storage, which are designed with daily cyclical period, including cool storage and refrigeration chillers, and cool storage circulating pumps, discharge circulating pumps, cooling circulating pumps, cooling pumps and cooling tower fans, etc. operating in the process of cool storage, discharge and refrigeration. Terminal fans of the air conditioning system are not included.
This standard is not applicable to air-cooled refrigerating unit for the time being.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 7778-2017 Number designation and safety classification of refrigerants
GB/T 10870-2014 The methods of performance test for water chilling (heat pump) packages using the vaper compression cycle
GB/T 17758-2010 Unitary air conditioners
GB/T 17981-2007 Economic operation of air conditioning systems
GB/T 18430.1-2007 Water chilling (heat pump) packages using the vapor compression cycle—Part 1: Water chilling (heat pump) packages for industrial & commercial and similar application
GB/T 19412-2003 Method of measurement & rating of air conditioning system with thermal storage
GB 25131-2010 Safety requirements for water chillers (heat pump) using the vapor compression cycle
GB/T 26194-2010 Method of testing the performance of cool storage systems
JGJ 158-2008 Technical specification for cool storage air-conditioning system
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19412-2003, GB/T 17981-2007, GB/T 26194-2010 and JGJ 158-2008, as well as the following, apply.
3.1
energy performance of energy-storage air conditioning systems during designed cyclical period
ratio of the total input energy (usually electricity) to the energy-storage air conditioning system during a designed cyclical period (usually 24 h), to the total refrigerating output of the energy-storage air conditioning system in the same period
Note: The unit is kWhe/kWhc.
3.2
typical day's condition
condition that reflects the typical operating conditions through performance rating for the energy-storage air conditioning system by field tests, under the outdoor weather conditions close to the local summer air conditioning design, when the energy-storage air conditioning system is in normal cycle
3.3
annual average terminal energy performance of refrigeration & thermal storage system
ratio of the total terminal energy (usually electricity) input to the energy-storage air conditioning system in a complete cooling season (no more than 12 months), to the total refrigerating output of the energy-storage air conditioning system in the same period
Note: The unit is kWhe/kWhc.
3.4
economic performance of energy-storage air conditioning systems during designed cyclical period (current electricity charge)
ratio of the total cost of the terminal energy (usually electricity) input into the energy-storage air conditioning system (calculated by the actual electricity charge implemented during the performance rating of the energy-storage air conditioning system) during designed cyclical period, to the total refrigerating output of the energy-storage air conditioning system in the same period
Note: the unit is RMB/kWhc.
3.5
annual average economic performance of energy-storage air conditioning systems (current electricity charge)
ratio of the total cost of the terminal energy (usually electricity) input into the energy-storage air conditioning system (calculated by the current actual electricity charge of the project where the energy-storage air conditioning system is located) in a cooling season, to the total refrigerating output of the energy-storage air conditioning system in the same period
Note: the unit is RMB/kWhc.
3.6
three points-four levels for performance rating
scale for performance rating of energy-storage air conditioning systems, given by the “three points-four levels” method, i.e. the specific values of "excellent", "good" and "moderate” specified in this standard. When the actual performance value of the energy-storage air conditioning system is compared with the specific values of "excellent", "good" and "moderate" specified in this standard, if it is better than the corresponding value of "excellent" point, the performance is rated as "excellent"; if it is lower than the corresponding value of "moderate" point, the performance is rated as "poor"; if it is between "excellent" and "good", the performance is rated as "good"; if it is between "good" and "moderate", the performance is rated as "moderate".
4 Basic requirements
4.1 Cool storage and refrigeration chillers shall meet the requirements of GB/T 18430.1-2007 and GB 25131-2010.
4.2 The installation of energy-storage air conditioning system shall conform to JGJ 158-2008.
5 Performance rating
5.1 Performance rating for refrigerating host of energy-storage air conditioning system
The performance rating for the refrigerating host of the energy-storage air conditioning system is mainly to evaluate the performance of the ice storage dual mode host. The coefficient of performance (COP) of the refrigerating host under air-conditioning and cool storage conditions shall not be less than the "constraint recommended value" as specified in Table 1, and should be higher than the "guidance value".
For the refrigerating host used for water storage, refer to the guidance value and constraint recommended value requirements under "air conditioning condition".
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Basic requirements 5 Performance rating 6 Testing method
ICS 27.010 F 01 中华人民共和国国家标准 GB/T 37227.1—2018 制冷系统绩效评价与计算测试方法 第1部分:蓄能空调系统 Evaluation method and testing method for energy performance of refrigerating systems—Part 1:Energy-storage air conditioning systems 2018-12-28发布 2019-07-01实施 国家市场监督管理总局 中国国家标准化管理委员会 发布 前言 GB/T 37227《制冷系统绩效评价与计算测试方法》拟分为以下5部分: ——第1部分:蓄能空调系统; ——第2部分:多能互补供暖和空调系统; ——第3部分:超市冷冻冷藏系统; ——第4部分:基于低品位热能利用的热泵系统; ——第5部分:VOCs回收制冷系统。 本部分为GB/T 37227的第1部分。 本部分按GB/T 1.1—2009给出的规则起草。 本部分由全国能量系统标准化技术委员会(SAC/TC 459)提出并归口。 制冷系统绩效评价与计算测试方法 第1部分:蓄能空调系统 1 范围 GB/T 37227的本部分规定了采用蓄能技术的空调制冷系统的相关术语、基本要求、绩效评价方法、测试与计算方法等,其中绩效评价从能源效率、经济性等方面开展。 本部分适用于以日为设计蓄放冷周期的各种形式的冰蓄冷和水蓄冷等蓄能空调系统,包括蓄冷和制冷冷水机组,蓄冷、放冷、制冷等过程中运行的蓄冷循环泵、放冷循环泵、供冷循环泵以及冷却泵和冷却塔风机等。不包含空调系统末端风机。 本标准暂不适用于风冷式制冷机组。 2规范性引用文件 下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。 GB/T 7778—2017 制冷剂编号方法和安全性分类 GB/T 10870—2014蒸气压缩循环冷水(热泵)机组性能试验方法 GB/T 17758—2010单元式空气调节机 GB/T 17981—2007 空气调节系统经济运行 GB/T 18430.1—2007蒸气压缩循环冷水(热泵)机组 第1部分:工业或商业用及类似用途的冷水(热泵)机组 GB/T 19412—2003 蓄冷空调系统的测试和评价方法 GB 25131—2010蒸气压缩循环冷水(热泵)机组安全要求 GB/T 26194—2010蓄冷系统性能测试方法 JGJ 158—2008 蓄冷空调工程技术规程 3术语和定义 GB/T 19412—2003、GB/T 17981—2007、GB/T 26194—2010和JGJ 158—2008界定的以及下列术语和定义适用于本文件。 3.1 设计蓄放冷周期内蓄冷空调系统终端能源绩效 energy performance of energy-storage air condi-tioning systems during designed cyclical period 一个设计蓄放冷周期内(通常为24 h),蓄冷空调系统的输入能源(通常为电力)总和,与同期蓄冷空调系统制冷量总和之比。 注:单位为千瓦时电每千瓦时冷(kWhe/kWhc)。 3.2 典型日工况typical day's condition 在接近当地夏季空调设计室外气象条件下,蓄冷空调系统正常蓄放冷时,可通过实地测试对蓄冷空调系统进行绩效评价、反映系统典型运行状态的工况。 3.3 年平均蓄冷空调系统终端能源绩效 annual average terminal energy performance of refrigeration & thermal storage system 一个完整供冷季(不多于12个月),输入蓄冷空调系统的终端能源(通常为电力)总和,与同一时期内蓄冷空调系统制冷量总和之比。 注:单位为千瓦时电每千瓦时冷(kWhe/kWhc)。 3.4 设计蓄放冷周期内蓄冷空调系统经济绩效(执行电价)economicperformanceof energy-storage air conditioning systemsduring designed cyclical period(currentelectricity charge) 一个设计蓄放冷周期内,投入到蓄冷空调系统的终端能源(通常为电力)费用总和(按蓄冷空调系统绩效评价时实际执行电价计),与同一时期内蓄冷空调系统制冷量总和之比。 注:单位为元每千瓦时冷(元/kWhc)。 3.5 年平均蓄冷空调系统经济绩效(执行电价)annual average economic performance of energy-storage air conditioning systems(currentelectricity charge) 一个供冷季,投入到蓄冷空调系统的终端能源(通常为电力)费用总和(按蓄冷空调系统所在项目当前实际执行电价计),与同一时期内蓄冷空调系统制冷量总和之比。 注;单位为元每千瓦时冷(元/kWhc)。 3.6 三点四段标尺three points-four levels for performance rating 蓄冷空调系统绩效评价中的标尺,按“三点四段”方法给出,即:本标准规定“优”“良”“中”三个点的具体数值。当蓄冷空调系统实际绩效值与本标准规定的“优”“良”“中”三个点的具体数值比较,若优于“优”点对应数值则绩效评价为“优”;劣于“中”点对应数值,则绩效评价为“差”;介于“优”与“良”之间,绩效评价为“良”;介于“良”与“中”之间,绩效评价为“中”。 4 基本要求 4.1 蓄冷和制冷冷水机组应符合GB/T 18430.1—2007、GB 25131—2010的要求。 4.2 蓄冷空调系统安装应符合JGJ 158—2008的要求。 5 绩效评价 5.1 蓄冷空调系统制冷主机性能评价 蓄冷空调系统制冷主机性能评价主要评价冰蓄冷双工况主机的性能。制冷主机在空调工况和蓄冷工况下的性能系数不小于表1规定的“约束建议值”要求,宜高于“引导值”的要求。 用于水蓄冷的制冷主机可参照“空调工况”下的引导值和约束建议值要求。 表1 蓄冷空调系统主机性能评价 名义制冷量/kW 空调工况 蓄冷工况 引导值 约束建议值 引导值 约束建议值 (COP) W/W (IPLV) W/W (COP) W/W (IPLV) W/W (COP) W/W (COP) W/W CC≤528 5.00 6.30 4.40 5.00 3.80 3.50 5281163 5.70 7.60 5.00 5.90 4.20 3.90