Aircraft batteries - Part 3: Product specification and declaration of design and performance (DDP)

IEC 60952-3:2013 defines requirements for the product specification as well as procedures for a Declaration of Design and Performance (DDP) for nickel-cadmium and lead-acid aircraft batteries containing vented or valve-regulated cells or monoblocs. The batteries are used for both general purposes and specific aerospace applications. The specific topics addressed in this part of 60952 series serve to establish acceptable quality standards required to qualify a battery as airworthy as defined in Clause 3 of IEC 60952-1:2013. This third edition cancels and replaces the second edition published in 2004. This new edition includes requirements for defining the declaration of performance and specification details between supplier and purchaser.

Batteries d'aéronefs - Partie 3: Spécification de produit et déclaration de conception et de performance (DDP)

La CEI 60952-3:2013 définit les exigences concernant la spécification de produit ainsi que les procédures en vue d une déclaration de conception et de performance (DDP) pour les batteries d'aéronefs au nickel-cadmium et au plomb contenant des éléments ou monoblocs de type ouvert ou à soupape. Les batteries sont utilisées tant pour les usages généraux que pour des applications spécifiques aérospatiales. Les thèmes spécifiques abordés dans cette partie servent à établir des normes de qualité acceptable nécessaires pour qualifier une batterie de navigable, telle que définie à l'Article 3 de la CEI 60952-1:2013. Cette troisième édition annule et remplace la deuxième édition publiée en 2004. Cette nouvelle édition inclut les exigences pour définir la déclaration de performance et le détail d'une spécification entre le fournisseur et l'acheteur.

General Information

Status
Published
Publication Date
08-Jul-2013
Current Stage
PPUB - Publication issued
Start Date
09-Jul-2013
Completion Date
09-Jul-2013
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IEC 60952-3
Edition 3.0 2013-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Aircraft batteries –
Part 3: Product specification and declaration of design and performance (DDP)
Batteries d’aéronefs –

Partie 3: Spécification de produit et déclaration de conception et de performance

(DDP)
IEC 60952-3:2013
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60952-3
Edition 3.0 2013-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Aircraft batteries –
Part 3: Product specification and declaration of design and performance (DDP)
Batteries d’aéronefs –

Partie 3: Spécification de produit et déclaration de conception et de performance

(DDP)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX N
ICS 29.220.20; 49.060 ISBN 978-2-8322-0943-1

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – 60952-3 © IEC:2013
CONTENTS

FOREWORD ........................................................................................................................... 3

1 Scope ............................................................................................................................... 5

2 Normative references ........................................................................................................ 5

3 Terms and definitions ....................................................................................................... 5

4 Product specification ......................................................................................................... 6

4.1 General requirements .............................................................................................. 6

4.2 Example product specification .................................................................................. 6

5 Declaration of design and performance (DDP) ................................................................... 6

5.1 General ................................................................................................................... 6

5.2 Performance ............................................................................................................ 6

5.3 Limitations ............................................................................................................... 6

5.4 Departures from specification .................................................................................. 6

5.5 Verification .............................................................................................................. 7

5.6 Authentication .......................................................................................................... 7

5.7 Construction ............................................................................................................ 7

5.8 Definition ................................................................................................................. 7

Annex A (normative) Template for a typical purchaser’s product

specification/requirement ........................................................................................................ 8

Annex B (normative) Template for a typical declaration of design and performance ............... 11

---------------------- Page: 4 ----------------------
60952-3 © IEC:2013 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
AIRCRAFT BATTERIES –
Part 3: Product specification and declaration
of design and performance (DDP)
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical 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

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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.

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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 60952-3 has been prepared by IEC technical committee 21:

Secondary cells and batteries.

This third edition cancels and replaces the second edition published in 2004. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition: requirements for defining the declaration of performance and specification details

between supplier and purchaser.
---------------------- Page: 5 ----------------------
– 4 – 60952-3 © IEC:2013
The text of this standard is based on the following documents:
FDIS Report on voting
21/805/FDIS 21/816/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all the parts in the IEC 60952 series, published under the general title Aircraft batteries

can be found on the IEC website.

The committee has decided that the contents of this publication will remain unchanged until the

stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to

the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 6 ----------------------
60952-3 © IEC:2013 – 5 –
AIRCRAFT BATTERIES –
Part 3: Product specification and declaration
of design and performance (DDP)
1 Scope

This part of IEC 60952 defines requirements for the product specification as well as procedures

for a Declaration of Design and Performance (DDP) for nickel-cadmium and lead-acid aircraft

batteries containing vented or valve-regulated cells or monoblocs. The batteries are used for

both general purposes and specific aerospace applications.

The specific topics addressed in this part serve to establish acceptable quality standards

required to qualify a battery as airworthy as defined in Clause 3 of IEC 60952-1:2013.

The design construction and test requirements should conform to the requirements specified in

IEC 60952-1 and IEC 60952-2.

It is recognised that additional data may be required by other organisations (national standards

bodies, AECMA, SAE etc.). The present standard can be used as a framework to devise tests

for generation of the required data.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and

are indispensable for its application. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments)

applies.

IEC 60952-1:2013, Aircraft batteries – Part 1: General test requirements and performance

levels

IEC 60952-2:2013, Aircraft batteries – Part 2: Design and construction requirements

ISO/TR 224, Aircraft – Declaration of design and performance for aircraft equipment –

Standard form
3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 60952-1:2013 apply.

---------------------- Page: 7 ----------------------
– 6 – 60952-3 © IEC:2013
4 Product specification
4.1 General requirements

A product specification is required for each battery design. Once accepted, by both the

manufacturer and customer, the requirements of the product specification shall comply with the

overall requirements of IEC 60952 series.

The scope and content of the product specification will be defined by the customer but should

include:

• reference to test requirements detailed in the range of IEC 60952 series. Additional

requirements shall be selected from national or international standards;

• the required format and connectors shall comply with IEC 60952-2, wherever possible.

The manufacturer shall:

• verify performance to these additional requirements in an extension to the declaration of

design and performance (DDP).
4.2 Example product specification

An example template for a product specification is shown in Annex A, which shall be used to

define specific requirements.
5 Declaration of design and performance (DDP)
5.1 General

These requirements were derived from ISO/TR 224 and amended to meet the requirements for

battery systems.
5.2 Performance

The limits of declared performance and those implied by the declarations in the DDP are not

intended to be absolute, but are intended to indicate the performance which has been shown

by tests, or calculation, analysis or similarity.
5.3 Limitations

Limitations are the minimum life or useful service between equipment overhaul (based on test

results and/or operational experience), as well as any standard tests necessary to satisfy

safety requirements.

The designer shall state any known limitations of which the user should be aware which are not

specifically covered by the DDP.
5.4 Departures from specification

The equipment designer shall list any departures from the requirements of this or any other

standards to be specified, as well as from the design specifications which the battery shall

meet.
---------------------- Page: 8 ----------------------
60952-3 © IEC:2013 – 7 –
5.5 Verification

For verification purposes, the manufacturer shall complete the DDP template detailing the tests

completed, the performance and the test report, analysis or similarity reference.

The test shall be carried out in accordance with the test procedures defined in IEC 60952-1. If

alternative test procedures have been used, these shall be declared.
5.6 Authentication

The DDP shall be authenticated by completion of Annex B and would normally be completed by

the manufacturer’s technical manager.
5.7 Construction

The DDP shall be supported by a unique reference to the build standard of the battery.

5.8 Definition

The DDP shall identify the applicable format, connector, special fittings as well as specific

requirements for use, such as dedicated charger or aircraft busbar limits.
---------------------- Page: 9 ----------------------
– 8 – 60952-3 © IEC:2013
Annex A
(normative)
Template for a typical purchaser’s
product specification/requirement
Purchaser’s name:………………………………….
Aircraft type/project:……………………………….
Application:…………………………………………..
A.1 General description
Characteristics Purchaser’s requirement
a) Chemistry
b) Number of cells
c) 1) IEC 60952-2 format
2) Other formats
d) Main interface connector
e) Nominal voltage
f) Capacity
1) Minimum rated capacity
2) End of life capacity
g) Maximum mass
h) Other interface connectors
i) Mounting attitude
j) Venting method
k) Preferred charging method
l) Test plans
---------------------- Page: 10 ----------------------
60952-3 © IEC:2013 – 9 –
A.2 Performance requirements
Test Procedures Relevant Mandatory X Remarks
IEC 60952-1
clause
1 Electrical
Rated capacity C 5.1.1 X
Initial capacity requirement for vented and 5.1.2 X
valve regulated nickel-cadmium
1 I Capacity at 1 I and – 18 °C 5.1.3 X
1 1
1 I Capacity at 1 I and – 30 °C 5.1.4 X
1 1
5.1.5 X
1 I Capacity at 1 I and 50 °C
1 1
Constant voltage/current at 23 °C 5.2.2.2 X
Constant voltage/current at –18 °C 5.2.2.3 X
Constant voltage/current at –30 °C 5.2.2.4 X
Constant voltage current (14 V) at 23 °C 5.2.3.2 X
Constant voltage current (14 V) at –18 °C 5.2.3.3 X
Constant voltage current (14 V) at –30 °C 5.2.3.4 X
Rapid discharge capacity at 23 °C 5.3.1 X
Rapid discharge capacity at –30 °C 5.3.2 X
Charge retention 5.4 X
Storage 5.5 X
Charge stability 5.6 X2
Short circuit 5.7 X
Charge acceptance at ambient temperature 5.8.2 X
Charge acceptance at –18 °C 5.8.3.2 X
Charge acceptance at –40 °C 5.8.3.3 X
Insulation resistance 5.9.2 X
Dielectric strength 5.9.3 X
Duty cycle performance 5.10 X
Water consumption test 5.11 X
Overcharge endurance 5.12 X
Cyclic endurance 5.13 X
Deep discharge 5.14 X
Induced destructive overcharge 5.15 X
Electrical emissions 5.16 X
---------------------- Page: 11 ----------------------
– 10 – 60952-3 © IEC:2013
Test Procedures Relevant Mandatory X Remarks
IEC 60952-1
clause
2 Environmental requirements
Vibration test 6.1 X
– Option 1: Sinusoidal vibration test or 6.1 2
– Option 2: Random vibration test 6.1 2
Acceleration or shock test X
– Option 1: Acceleration test or 6.2 2
– Option 2: Operational shock or 6.3.1 2
– Option 3: Crash safety 6.3.2 2
Explosion containment 6.4 X
Gas emission 6.5 X
Altitude pressure 6.6 X
Temperature variation (shock) 6.7 X
Fungus resistance 6.8 X
Humidity 6.9 X
Fluid contamination 6.10 X
Salt spray 6.11
Physical integrity at high temperature (85 °C) 6.12 X
Flammability 6.13 X
Electrolyte resistance 6.14 X
Temperature sensors 6.15 X
Component qualification tests 6.16 X
Battery airtightness test 6.17 X
Strength of connector receptacle 6.18 X
Handle strength test 6.19 X
(X) indicates that the test shall be completed.
(2) indicates a mandatory test where at least one option shall be crossed.
A.3 Quality assurance requirement

The purchaser is to insert here the relevant national or other pertinent quality assurance (QA)

requirements.
A.4 Special requirements

This clause is used to identify specific additional requirements such as the following:

– additional vibration requirements;
– special labelling requirements;
– specific contractual requirements.
A.5 List of any attached documents
---------------------- Page: 12 ----------------------
60952-3 © IEC:2013 – 11 –
Annex B
(normative)
Template for a typical declaration of design and performance
DDP No……………………………..
Issue No……………………………

NOTE Before specifying this battery for use in equipment, one should check with the manufacturer that this is the

currently valid version.
Manufacturer

Name: .......................................................................................................................................

Address: ...................................................................................................................................

.................................................................................................................................................

Declaration of design and performance

Product specification details (if applicable) ...............................................................................

Format ......................................................................................................................................

Connector .................................................................................................................................

Assembly diagram number ........................................................................................................

Drawing nomenclature reference ...............................................................................................

Quality control procedure reference ...........................................................................................

Maintenance, repair and overhaul manual reference ..................................................................

Test report reference ................................................................................................................

Fault analysis reports (as appropriate) .......................................................................................

Details of approvals obtained for similar equipment (and a brief summary of equipment

application and experience): ......................................................................................................

.................................................................................................................................................

Airworthiness requirements with which the equipment complies (if applicable)

.................................................................................................................................................

Product performance in accordance with IEC 60952 series is defined in the table below.

---------------------- Page: 13 ----------------------
– 12 – 60952-3 © IEC:2013
Characteristic Part/clause Requirement/performance Test report/
reference
Format IEC 60952-2 Identify standard format or
refer to applicable drawing; e.g.
B-5
Connector IEC 60952-2 Identify standard connector;
e.g. Type Q
Mass IEC 60952-2 E.g. 37 kg max.
Charging method IEC 60952-1:2013, E.g. bus charge
4.3
Any auxiliary requirement N/A E.g. temperature sensor,
heater, midpoint voltage tap
Ventilation E.g. louvered cover
Flammability IEC 60952-1:2013, E.g. none, flame retardant, fire
6.13 resistant, fire proof
Electrical test requirements:
Rated capacity C IEC 60952-1:2013, E.g. 40 AH
5.1.1
Initial capacity requirement for IEC 60952-1:2013,
vented and valve regulated nickel- 5.1.2
cadmium
1 Iı Capacity at 1I and –18 °C IEC 60952-1:2013,
5.1.3
1 Iı Capacity at 1I and –30 °C IEC 60952-1:2013,
5.1.4
1 Iı Capacity at 1I and 50 °C IEC 60952-1:2013,
5.1.5
Constant voltage current at 23 °C IEC 60952-1:2013,
5.2.2.2
Constant voltage current at –18 °C IEC 60952-1:2013,
5.2.2.3
Constant voltage current at –30 °C IEC 60952-1:2013,
5.2.2.4
Constant voltage (14 V) current at IEC 60952-1:2013,
23 °C 5.2.3.2
Constant voltage (14 V) current at IEC 60952-1:2013,
–18 °C 5.2.3.3
Constant voltage (14 V) current at IEC 60952-1:2013,
–30 °C 5.2.3.4
Rapid discharge capacity at 23 °C IEC 60952-1:2013,
5.3.1
Rapid discharge capacity at –30 °C IEC 60952-1:2013,
5.3.2
Charge retention at 23 °C IEC 60952-1:2013,
5.4
Charge retention at 50 °C IEC 60952-1:2013,
5.4
Storage IEC 60952-1:2013, E.g. 2 years
5.5
Charge stability IEC 60952-1:2013,
5.6
Short-circuit test IEC 60952-1:2013,
5.7
---------------------- Page: 14 ----------------------
60952-3 © IEC:2013 – 13 –
Characteristic Part/clause Requirement/performance Test report/
reference
Charge acceptance, ambient IEC 60952-1:2013, E.g. applicable requirement
5.8.2
Charge acceptance low temperature IEC 60952-1:2013, E.g. applicable requirement
5.8.3
Insulation resistance IEC 60952-1:2013,
5.9.2
Dielectric strength IEC 60952-1:2013,
5.9.3
Duty cycle performance IEC 60952-1:2013,
5.10
Water consumption test IEC 60952-1:2013,
5.11
Overcharge endurance IEC 60952-1:2013,
5.12
Cyclic endurance IEC 60952-1:2013,
5.13
Deep discharge test IEC 60952-1:2013,
5.14
Induced destructive overcharge IEC 60952-1:2013,
5.15
Electrical emissions IEC 60952-1:2013,
5.16

Environmental test requirements: all requirements of IEC 60952-1 apply unless otherwise specified.

Vibration IEC 60952-1:2013, State modified requirement;
6.1 e.g. IAW DO-160D category
S2. Sinusoidal or random
Acceleration IEC 60952-1:2013, If required in product
6.2 specification, otherwise use
operational shock of 6.3
Operational shock and crash safety IEC 60952-1:2013,
6.3
Explosion containment IEC 60952-1:2013,
6.4
Gas emission IEC 60952-1:2013,
6.5
Altitude pressure IEC 60952-1:2013,
6.6
Temperature variation (shock) IEC 60952-1:2013,
6.7
Fungus resistance IEC 60952-1:2013,
6.8
Humidity IEC 60952-1:2013,
6.9
Fluid contamination IEC 60952-1:2013,
6.10
Salt spray IEC 60952-1:2013, If specified
6.11
Physical integrity IEC 60952-1:2013,
6.12
Flammability IEC 60952-1:2013,
6.13
---------------------- Page: 15 ----------------------
– 14 – 60952-3 © IEC:2013
Characteristic Part/clause Requirement/performance Test report/
reference
Electrolyte resistance IEC 60952-1:2013,
6.14
Temperature sensors IEC 60952-1:2013,
6.15
Component qualification tests IEC 60952-1:2013,
6.16
Vent valve test IEC 60952-1:2013,
6.16.2
Cell container test IEC 60952-1:2013,
6.16.3
Battery electrolyte containment test IEC 60952-1:2013,
6.16.4
Battery airtightness test IEC 60952-1:2013,
6.17
Strength of connector receptacle IEC 60952-1:2013,
6.18
Handle strength test IEC 60952-1:2013,
6.19

Special test requirements: Only those tests that are specifically included are required.

Include applicable test requirements
Quality requirements:
---------------------- Page: 16 ----------------------
60952-3 © IEC:2013 – 15 –
Authentication
Manufacturer

Name of signatory .....................................................................................................................

Title or function .........................................................................................................................

Approval reference No ..............................................................................................................

Signed ......................................................................................................................................

On behalf of ........................................................................................... (Manufacturer’s name)

Date .................................................................
Acceptance

Name of signatory .....................................................................................................................

Title of position .........................................................................................................................

Approval reference No ..............................................................................................................

Signed or stamped ....................................................................................................................

On behalf of ..............................................................................................................................

Date .................................................................
_____________
---------------------- Page: 17 ----------------------
– 16 – 60952-3 © CEI:2013
SOMMAIRE

AVANT-PROPOS .......................................................................................

...

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