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GB/T 27748.2-2022 English PDF (GBT27748.2-2022)

GB/T 27748.2-2022 English PDF (GBT27748.2-2022)

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GB/T 27748.2-2022: Stationary fuel cell power system -- Part 2: Performance test methods

GB/T 27748.2-2022
ICS 27.070
CCS K 82
GB/T 27748.2-2022 / IEC 62282-3-200:2015
Replacing GB/T 27748.2-2013
Stationary fuel cell power system - Part 2: Performance test
(IEC 62282-3-200:2015, Fuel cell technologies - Part 3-200: Stationary fuel cell power systems - Performance test methods, IDT)
Issued by: State Administration for Market Regulation;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 4
Introduction ... 6
1 Scope ... 7
2 Normative references ... 8
3 Terms, definitions, operating process and symbols ... 12
3.1 Terms and definitions ... 12
3.2 Operating process ... 19
3.3 Symbols ... 20
4 Reference conditions ... 24
4.1 General ... 24
4.2 Temperature and pressure ... 24
4.3 Heating value base ... 24
5 Item of performance test ... 24
6 Test preparation ... 25
6.1 General ... 25
6.2 Uncertainty analysis ... 25
7 Measurement instruments and measurement methods ... 26
7.1 General ... 26
7.2 Measurement instruments ... 26
7.3 Measurement methods ... 27
8 Test plan ... 38
8.1 General ... 38
8.2 Ambient conditions ... 39
8.3 Maximum permissible variation in steady-state operating conditions ... 39 8.4 Test operating procedure ... 40
8.5 Duration of test and frequency of readings ... 41
9 Test methods and computation of test results ... 41
9.1 General ... 41
9.2 Efficiency test ... 41
9.3 Electric power and thermal power response characteristics test ... 59 9.4 Start-up and shutdown characteristics test ... 65
9.5 Purge gas consumption test ... 70
9.6 Water consumption test (optional) ... 71
9.7 Exhaust gas emission test ... 71
9.8 Noise level test ... 73
9.9 Vibration level test ... 74
9.10 Discharge water quality test ... 75
10 Test reports ... 76
10.1 General ... 76
10.2 Title page ... 76
10.3 Table of contents ... 77
10.4 Summary report ... 77
10.5 Detailed report ... 77
10.6 Full report ... 78
Annex A (Normative) Uncertainty analysis ... 79
Annex B (Normative) Calculation of fuel heating value ... 83
Annex C (Normative) Reference gas ... 87
Annex D (Informative) Maximum acceptable instantaneous power output transient 90 Bibliography ... 91
This document is drafted in accordance with GB/T 1.1-2020 "Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents".
The document is Part 2 of GB/T 27748 "Stationary fuel cell power system". GB/T 27748 has issued the following parts:
- Part 1: Safety;
- Part 2: Performance test methods;
- Part 3: Installation;
- Part 4: Performance test methods for small fuel cell power systems.
This document replaces GB/T 27748.2-2013 "Stationary fuel cell power systems - Part 2: Performance test methods". Compared with GB/T 27748.2-2013, in addition to structural adjustment and editorial changes, the main technical changes are as follows: - Delete the terms and definitions of "Audible noise level", "Emission
characteristics", "Parasitic load", "Pressure", "Secondary thermal power", and "Standby state (idle state)" (see 3.1.1, 3.1.8, 3.1.18, 3.1.21, 3.1.25, and 3.1.29 of the 2013 edition);
- Add terms and definitions of "External thermal energy", "Noise level", "Pre- generation state", "Rated power", "Total power input", and "Waste water" (see 3.1.7, 3.1.14, 3.1.20, 3.1.22, 3.1.33, and 3.1.35);
- Add the content of operating process (see 3.2);
- Modify some test contents in Table 2 (see Table 2; Table 2 of the 2013 edition); - Delete "Exhaust gas flow measurement" and "Hydrogen concentration
measurement" (see 7.3.7 and of the 2013 edition);
- Add requirements for gas sampling (see;
- Modify "Audible noise level measurement" to "Noise level test" (see 7.3.9; 7.3.9 of the 2013 edition);
- Add criteria for attaining the steady-state set value (see 9.3.2);
- Add requirements for maximum acceptable instantaneous power output transient (see Annex D).
This document is identical to IEC 62282-3-200:2015 "Fuel cell technologies - Part 3- 200: Stationary fuel cell power systems - Performance test methods".
The following editorial change has been made to this document:
- Change the standard name to "Stationary fuel cell power system - Part 2: Performance test methods".
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by China Electrical Equipment Industry Association. This document shall be under the jurisdiction of National Technical Committee 342 on Fuel Cell and Flow Battery of Standardization Administration of China (SAC/TC 342). Drafting organizations of this document: North China Electric Power University; Guangzhou Yunqing Testing Technology Co., Ltd.; Shanghai Shenli Technology Co., Ltd.; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Nanjing University; Wuhan University of Technology; Tongji University; Tsinghua University; China Quality Certification Centre; Machinery Industry Beijing Electrotechnical Institute of Economic Research; Wuxi Institution of Supervision and Testing on Product Quality; Shenzhen Institute of Standards and Technology; Shanghai Pearl Hydrogen Energy Technology Co., Ltd.; Xinyan Hydrogen Energy Technology Co., Ltd.; Weichai Power Co., Ltd.; Yutong Bus Co., Ltd.; Beijing Long March Tian Min Hi-Tech Co., Ltd.; Nekson Power Technology Co., Ltd.; China Automotive Technology and Research Center Co., Ltd.; No. 712 Research Institute of China Shipbuilding Industry Corporation; Global Energy Interconnection Research Institute Co., Ltd.; Great Wall Motor Co., Ltd. Baoding Hydrogen Testing Branch; Weifu High-Technology Group Co., Ltd.; China Automotive Engineering Research Institute Co., Ltd.; Haidriver (Qingdao) Energy Technology Co., Ltd.; Shanghai Hydrogen Propulsion Technology Co., Ltd.; Tianjin University.
Main drafters of this document: Liu Jianguo, He Wenxiang, Wang Gang, Qi Zhigang, Yu Hongmei, Hou Ming, Tan Jinting, Ma Tiancai, Pei Pucheng, Zhang Liang, Zhou Bin, Chen Yao, Wang Yiqun, Dong Hui, Pan Fengwen, Jiang Shangfeng, Jin Yinshi, Hou Xiangli, Hao Dong, Ye Donghao, Liang Danxi, Duan Zhijie, Zhang Yihuang, Mao Zhanxin, Xie Jiaping, Chen Pei, Chen Guanyi, Ma Wenchao.
The previous editions of this document and the documents it replaces are as follows: - It was first issued in 2013 as GB/T 27748.2-2013;
- This is the first revision.
Stationary fuel cell power system - Part 2: Performance test
1 Scope
This document covers operational and environmental aspects of the stationary fuel cell power systems (hereinafter referred to as "power systems") performance. This document applies to the following test methods:
- power output under specified operating and transient conditions;
- electrical and heat recovery efficiency under specified operating conditions; - environmental characteristics; for example, exhaust gas emissions, noise, etc. under specified operating and transient conditions.
- This document does not provide coverage for electromagnetic compatibility (EMC). This document does not apply to small stationary fuel cell power systems with electric power output of less than 10 kW which are dealt with IEC 62282-3-201.
Fuel cell power systems may have different subsystems depending upon types of fuel cell and applications, and they have different streams of material and energy into and out of them. However, a common system diagram and boundary has been defined for evaluation of the fuel cell power system (Figure 1). The following conditions are considered in order to determine the system boundary of the fuel cell power system:

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