Fuel cell technologies - Part 8-201: Energy storage systems using fuel cell modules in reverse mode - Test procedures for the performance of power-to-power systems

Brennstoffzellentechnologien - Teil 8-201: Energiespeichersysteme mit Brennstoffzellenmodulen im reversiblen Betrieb - Prüfverfahren zum Leistungsverhalten von Power-to-Power-Systemen

Technologies des piles à combustible - Partie 8-201: Systèmes de stockage de l’énergie à partir de modules de piles à combustible réversibles - Procédures d’essai pour la performance des systèmes de conversion électrochimiques électriques à électriques

Tehnologija gorivnih celic - 8-201. del: Sistemi za shranjevanje energije, ki uporabljajo module gorivnih celic v obrnjeni smeri - Preskusni postopki za delovanje elektroenergetskih sistemov

General Information

Status
Not Published
Public Enquiry End Date
25-May-2023
Technical Committee
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
07-Mar-2023
Due Date
25-Jul-2023
Completion Date
24-May-2023

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SLOVENSKI STANDARD
oSIST prEN IEC 62282-8-201:2023
01-maj-2023
Tehnologija gorivnih celic - 8-201. del: Sistemi za shranjevanje energije, ki
uporabljajo module gorivnih celic v obrnjeni smeri - Preskusni postopki za
delovanje elektroenergetskih sistemov
Fuel cell technologies - Part 8-201: Energy storage systems using fuel cell modules in
reverse mode - Test procedures for the performance of power-to-power systems
Brennstoffzellentechnologien - Teil 8-201: Energiespeichersysteme mit
Brennstoffzellenmodulen im reversiblen Betrieb - Prüfverfahren zum Leistungsverhalten
von Power-to-Power-Systemen
Technologies des piles à combustible - Partie 8-201: Systèmes de stockage de l’énergie
à partir de modules de piles à combustible réversibles - Procédures d’essai pour la
performance des systèmes de conversion électrochimiques électriques à électriques
Ta slovenski standard je istoveten z: prEN IEC 62282-8-201:2023
ICS:
27.070 Gorilne celice Fuel cells
oSIST prEN IEC 62282-8-201:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN IEC 62282-8-201:2023

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oSIST prEN IEC 62282-8-201:2023
105/962/CDV

COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62282-8-201 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-03-03 2023-05-26
SUPERSEDES DOCUMENTS:
105/908/CD, 105/934A/CC

IEC TC 105 : FUEL CELL TECHNOLOGIES
SECRETARIAT: SECRETARY:
Germany Mr David Urmann
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 120
Other TC/SCs are requested to indicate their interest, if any, in this
CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of CENELEC,
is drawn to the fact that this Committee Draft for Vote (CDV) is
submitted for parallel voting.
The CENELEC members are invited to vote through the CENELEC
online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of
• any relevant patent rights of which they are aware and to provide supporting documentation,
• any relevant “in some countries” clauses to be included should this proposal proceed. Recipients are reminded that the enquiry
stage is the final stage for submitting "in some countries" clauses. See AC/22/2007.

TITLE:
Fuel cell technologies - Part 8-201: Energy storage systems using fuel cell modules in reverse mode - Test
procedures for the performance of power-to-power systems

PROPOSED STABILITY DATE: 2027

NOTE FROM TC/SC OFFICERS:


Copyright © 2023 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

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CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 9
3 Terms, definitions and symbols . 10
3.1 Terms and definitions. 10
3.2 Symbols . 14
4 Measurement instruments and measurement methods . 15
4.1 General . 15
4.2 Instrument uncertainty . 16
4.3 Measurement plan . 16
4.4 Environmental conditions . 17
4.5 Maximum permissible variation in test operating conditions . 18
5 System parameters . 18
5.1 General . 18
5.2 Electric energy storage capacity . 18
5.3 Rated electric power input . 19
5.4 Rated net electric power output. 19
5.5 Roundtrip electrical efficiency . 19
5.6 System response (step response time and ramp rate) . 20
5.6.1 Step response time . 20
5.6.2 Ramp rate . 20
5.7 Minimum switchover time . 21
5.8 Stand-by state loss rate . 21
5.9 Heat input . 21
5.10 Hydrogen input and output rate . 21
5.11 Recovered heat output . 22
5.12 Acoustic noise level . 22
5.13 Total harmonic distortion . 22
5.14 Discharge water quality . 22
6 Test methods and procedures . 22
6.1 General . 22
6.2 Electric energy storage capacity test . 22
6.3 Rated electric power input test . 23
6.4 Rated net electric power output test . 24
6.5 Roundtrip electrical efficiency test . 25
6.5.1 General . 25
6.5.2 Test procedure . 25
6.5.3 Calculation of the roundtrip electrical energy efficiency. 26
6.6 Other system performance test . 26
6.6.1 System response test, step response time and ramp rate . 26
6.6.2 Minimum switchover time test . 28
6.6.3 Stand-by state loss rate test . 28
6.6.4 Heat input test . 29
6.6.5 Recovered heat output test . 29
6.6.6 Hydrogen input and output rate test . 30

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6.6.7 Acoustic noise level test . 30
6.6.8 Total harmonic distortion test . 30
6.6.9 Discharge water quality test . 30
6.7 Component performance test . 30
6.7.1 Electrolyser performance test . 30
6.7.2 Hydrogen storage performance test . 31
6.7.3 Fuel cell performance test . 31
6.7.4 Water management system performance test . 32
6.7.5 Battery performance test . 32
6.7.6 Oxygen storage performance test . 32
7 Test reports . 33
7.1 General . 33
7.2 Report items . 33
7.3 Tested system data description . 33
7.4 Test condition description . 33
7.5 Test data description . 33
7.6 Uncertainty evaluation . 34
Bibliography . 35

Figure 1 – System configuration of electric energy storage system using hydrogen –
Type with electrolyser and fuel cell . 8
Figure 2 – System configuration of electric energy storage system using hydrogen –
Type with reversible cell . 8
Figure 3 – Typical sequence of phases during the system operation . 17
Figure 4 – Step response time and ramp rate of EES system . 20
Figure 5 – Step response test . 27
Figure 6 – Minimum switch over time test . 28

Table 1 – Symbols . 15
Table 2 – Required steps before executing the measurement . 17
Table 3 – Example of document format of roundtrip electrical efficiency . 26
Table 4 – Additional parameters measured on the electrolyser or the reversible cell
module in electrolysis mode . 31
Table 5 – Additional parameters measured on the hydrogen storage component . 31
Table 6 – Additional parameters measured on the fuel cell or the reversible cell module

in fuel cell mode . 32

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INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

FUEL CELL TECHNOLOGIES –

Part 8-201: Energy storage systems
using fuel cell modules in reverse mode –
Test procedures for the performance of power-to-power systems

FOREWORD
1) The International Electro technical Commission (IEC) is a worldwide organization for standardization comprising
all national electro technical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62282-8-201 has been prepared by IEC technical committee 105:
Fuel cell technologies.
The text of this International Standard is based on the following documents:
FDIS Report on voting
105/XX/FDIS 105//RVD

Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

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IEC CDV 62282-8-201 © IEC 2023 – 5 –
A list of all parts in the IEC 62282 series, published under the general title Fuel cell technologies,
can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates that it
contains colours which are considered to be useful for the correct understanding of its
contents. Users should therefore print this document using a colour printer.

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1 INTRODUCTION
2 This part of IEC 62282 describes performance evaluation methods for electric energy storage
3 systems using hydrogen that employ electrochemical reactions both for water/steam
4 electrolysis and electric generation.
5 This document is intended for power-to-power systems which typically employ a set of
6 electrolyser and fuel cell, or a reversible cell for devices of electric charge and discharge.
7 A typical targeting application of the electric energy storage systems using hydrogen is in the
8 class of energy intensive electric energy storage. The systems are recognized as critically
9 useful for the relatively long-term power storage operation, such as efficient storage and supply
10 of the renewable power derived electric energy and grid stabilization.
11 IEC 62282-8 (all parts) aims to develop performance test methods for power storage and
12 buffering systems based on electrochemical modules (combining electrolysis and fuel cells, in
13 particular reversible cells), taking into consideration both options of re-electrification and
14 substance (and heat) production for sustainable integration of renewable energy sources.
15 Under the general title Energy storage systems using fuel cell modules in reverse mode, the
16 IEC 62282-8 series consists of the following parts:
17 • IEC 62282-8-101: Test procedures for the performance of solid oxide single cells and
18 stacks, including reversible operation
19 • IEC 62282-8-102: Test procedures for the performance of single cells and stacks with proton
20 exchange membranes, including reversible operation
1
21 • IEC 62282-8-103 : Alkaline single cell and stack performance including reversible operation
22 • IEC 62282-8-201: Test procedures for the performance of power-to-power systems
2
23 • IEC 62282-8-202 : Power-to-power systems – Safety
3
24 • IEC 62282-8-301 : Power to methane energy systems based on solid oxide cells including
25 reversible operation - Performance test methods
26 As a priority dictated by the emerging needs for industry and opportunities for technological
27 development, IEC 62282-8-101, IEC 62282-8-102 and IEC 62282-8-201 have been initiated
28 jointly and firstly. These parts are presented as a package to highlight the need for an integrated
29 approach as regards the system's application (i.e. a solution for energy storage) and its
30 fundamental constituent components (i.e. fuel cells operated in reverse or reversing mode).
31 IEC 62282-8-103 and IEC 62282-8-202 are suggested but are left for initiation at a later stage.
32 IEC 62282-8-301, which is the first one of the IEC 62282-8-300 series, is under development.
33 This document is the second edition of the IEC 62282-8-201.
34
____________
1
 Future project
2
 Future project
3
 Under development.

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35 FUEL CELL TECHNOLOGIES –
36
37 Part 8-201: Energy storage systems
38 using fuel cell modules in reverse mode –
39 Test procedures for the performance of power-to-power systems
40
41
42
43 1 Scope
44 This part of IEC 62282 defines the evaluation methods of typical performances for electric
45 energy storage systems using hydrogen. This is applicable to the systems that use
46 electrochemical reaction devices for both power charge and discharge. This document applies
47 to systems that are designed and used for service and operation in stationary locations (indoor
48 and outdoor).
49 The conceptual configurations of the electric energy storage systems using hydrogen are shown
50 in Figure 1 and Figure 2.
51 Figure 1 shows the system independently equipped with an electrolyser module and a fuel cell
52 module.
53 Figure 2 shows the system equipped with a reversible cell module.
54 There is an electrolyser module and a fuel cell module, or a reversible cell module, an overall
55 management system (which includes a data interface and may include a pressure management),
56 a thermal management system (which may include a heat/cold storage), a water management
57 system (which may include a water storage) and a purge gas supply (inert gas, practically
58 neither oxidising nor reducing) as indispensable components.
59 NOTE Indispensable components are indicated by bold lines in Figure 1 and Figure 2
60 The system may be equipped with either a hydrogen storage or a connection to an external
61 hydrogen supply infrastructure or a combination of both. There may be a battery and an oxygen
62 storage, as optional components.
63 The electrolyser module may comprise one or more electrolysers whether or not of same type.
64 Depending on the operating conditions and considering the operation history, the overall
65 management system may command the concurrent operation of the electrolysers. The fuel cell
66 module may comprise one or more fuel cells whether or not of same type. Depending on the
67 operating conditions and considering the operation history, the overall management system
68 may command concurrent operation of the fuel cells. The reversible cell module may comprise
69 one or more reversible cells whether or not of same type. The fuel cell module may comprise
70 one or more fuel cells whether or not of same type. Depending on the operating conditions and
71 considering the operation history, the overall management system may command concurrent
72 operation of the reversible cells.
73 The performance measurement is executed in the defined area surrounded by the bold outside
74 solid line (system boundary).
75 NOTE In the context of this document, the term "reversible" does not refer to the thermodynamic meaning of an
76 ideal process. It is common practice in the fuel cell community to call the operation mode of a cell that alternates
77 between fuel cell mode and electrolysis mode "reversible".
78 This document is intended to be used for data exchanges in commercial transactions between
79 the system manufacturers and customers. Users of this document can selectively execute test
80 items suitable for their purposes from those described in this document.

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81
82 NOTE Overall management system, thermal management system, water management system and purge gas supply
83 may have the relation with electrolyser, fuel cell, battery, hydrogen storage and oxygen storage, and also may have
84 the relation with one another.
85 Figure 1 – System configuration of electric energy storage system using hydrogen –
86 Type with electrolyser and fuel cell
87
88 NOTE Overall management system, thermal management system, water management system and purge gas supply
89 may have the relation with reversible cell, battery, hydrogen storage and oxygen storage, and also may have the
90 relation with one another.
91 Figure 2 – System configuration of electric energy storage system using hydrogen –
92 Type with reversible cell

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93 2 Normative references
94 The following documents are referred to in the text in such a way that some or all of their content
95 constitutes requirements of this document. For dated references, only the edition cited applies.
96 For undated references, the latest edition of the referenced document (including any
97 amendments) applies.
98 IEC 61427-1, Secondary cells and batteries for renewable energy storage – General
99 requirements and methods of test – Part 1: Photovoltaic off-grid application
100 IEC 61427-2, Secondary cells and batteries for renewable energy storage – General
101 requirements and methods of test – Part 2: On-grid applications
102 IEC 62282-3-200, Fuel cell technologies – Part 3-200: Stationary fuel cell power systems –
103 Performance test methods
104 IEC 62282-3-201, Fuel cell technologies – Part 3-201: Stationary fuel cell power systems –
105 Performance test methods for small fuel cell power systems
106 IEC 62282-8-101, Fuel cell technologies – Part 8-101: Energy storage systems using fuel cell
107 modules in reverse mode – Solid oxide single cell and stack performance including reversible
108 operation
109 IEC 62282-8-102, Fuel cell technologies – Part 8-102: Energy storage systems using fuel cell
110 modules in reverse mode – Test procedures for PEM single cell and stack performance
111 including reversible operation
112 IEC 62933-2-1:2017, Electrical energy storage (EES) systems – Part 2-1: Unit parameters and
113 testing methods – General specification
114 ISO/IEC Guide 98-3, Uncertainly of measurement – Part 3: Guide to the expression of
115 uncertainty in measurement (GUM:1995)
116 ISO 3746, Acoustics – Determination of sound power levels and sound energy levels of noise
117 sources using sound pressure – Survey method using an enveloping measurement surface over
118 a reflecting plane
119 ISO 4064-1, Water meters for cold potable water and hot water – Part 1: Metrological and
120 technical requirements
121 ISO 4064-2, Water meters for cold potable water and hot water – Part 2: Test methods
122 ISO 7888, Water quality – Determination of electrical conductivity
123 ISO 9614-1, Acoustics – Determination of sound power levels of noise sources using sound
124 intensity – Part 1: Measurement at discrete points
125 ISO 11204, Acoustics – Noise emitted by machinery and equipment – Determination of emission
126 sound pressure levels at a work station and at other specified positions applying accurate
127 environmental corrections
128 ISO 16111, Transportable gas storage devices – Hydrogen absorbed in reversible metal hydride
129 ISO 19880-1, Gaseous hydrogen – Fuelling stations – Part 1: General requirements
130 ISO 19881, Gaseous hydrogen – Land vehicle fuel containers

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131 ISO 19882, Gaseous hydrogen – Thermally activated pressure relief devices for compressed
132 hydrogen vehicle fuel containers
133 ISO 19884, Gaseous hydrogen – Cylinders and tubes for stationary storage
134 ISO 22734, Hydrogen generators using water electrolysis process – Industrial, commercial, and
135 residential applications
136 3 Terms, definitions and symbols
137 3.1 Terms and definitions
138 For the purposes of this document, the following terms and definitions apply.
139 ISO and IEC maintain terminology databases for use in standardization at the following
140 addresses:
141 • IEC Electropedia: available at https://www.electropedia.org/
142 • ISO Online browsing platform: available at https://www.iso.org/obp
143 For the purposes of this document, the following terms and definitions apply.
144 3.1.1
145 electric energy storage
146 EES
147 installation able to store electric energy or which converts electric energy into another form of
148 energy and vice versa, while storing energy
149 Note 1 to entry: EES can be used also to indicate the activity of an apparatus described in the definition during
150 performing its own functionality.
151 Note 2 to entry: This note applies to the French language only.
152 [SOURCE: IEC 62933-1:2018, 3.1, modified – Definition revised and example and note 2
153 deleted.]
154 3.1.2
155 electric energy storage system
156 EES system
157 installation with defined electrical boundaries, comprising at least one EES, whose purpose is
158 to extract electric energy from the electric power system, store this energy in some manner and
159 inject electric energy into the electric power system and which includes civil engineerin
...

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