ISO 22484

Displacement and dynamic compressors — Performance test code for electric driven low-pressure air compressor packages

Compresseurs volumétriques et turbocompresseurs — Code d'essai de performance des ensembles de compresseurs à air basse pression à entraînement électrique

General Information

• Status: Not Published
• ICS: 23.140 - Compressors and pneumatic machines
• Technical Committee: ISO/TC 118/SC 6 - Air compressors and compressed air systems
• Drafting Committee: ISO/TC 118/SC 6 - Air compressors and compressed air systems
• Current Stage: 6000 - International Standard under publication
• Completion Date: 10-Oct-2024

Standards Content (Sample)

FINAL DRAFT
International
Standard
ISO/FDIS 22484
ISO/TC 118/SC 6
Displacement and dynamic
Secretariat: SIS
compressors — Performance
Voting begins on:
test code for electric driven low-
2024-08-14
pressure air compressor packages
Voting terminates on:
2024-10-09
Compresseurs volumétriques et turbocompresseurs — Code
d'essai de performance des ensembles de compresseurs basse
pression à entraînement électrique
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 22484:2024(en) © ISO 2024

FINAL DRAFT
ISO/FDIS 22484:2024(en)
International
Standard
ISO/FDIS 22484
ISO/TC 118/SC 6
Displacement and dynamic
Secretariat: SIS
compressors — Performance
Voting begins on:
test code for electric driven low-
pressure air compressor packages
Voting terminates on:
Compresseurs volumétriques et turbocompresseurs — Code
d'essai de performance des ensembles de compresseurs basse
pression à entraînement électrique
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland Reference number
ISO/FDIS 22484:2024(en) © ISO 2024

ii
ISO/FDIS 22484:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Units. 6
5 Guarantee and measurement . 8
5.1 Packaged compressor .8
5.2 Preconditions of the guarantee .8
5.3 Object of the guarantee .9
5.4 Low-pressure compressor to be tested .9
5.5 Low-pressure compressor specifications to be provided prior to testing .10
6 Measuring equipment, methods and accuracy . 10
6.1 General .10
6.2 Measurement of pressure .10
6.2.1 General .10
6.2.2 Atmospheric pressure .11
6.2.3 Pressure measurement for ambient inlet .11
6.2.4 Pressure measurement for piped inlet .11
6.2.5 Pressure measurement for piped discharge.11
6.3 Measurement of temperature .11
6.3.1 General .11
6.3.2 Temperature measurement for ambient inlet . 12
6.3.3 Temperature measurement for piped inlet . 12
6.3.4 Temperature measurement for piped discharge . 12
6.4 Measurement of humidity . 12
6.5 Measurement of rotational frequency . 12
6.6 Measurement of flow rate . 12
6.7 Measurement of external coolant flow rate . 12
6.8 Measurement of power and energy . 12
6.8.1 General . 12
6.9 Calibration of instruments. 13
7 Test .13
7.1 General test process . . 13
7.2 Allowed deviation of rotational speed between test and guarantee .14
7.3 Allowed deviation of ambient conditions . 15
7.3.1 Testing against general performance data . 15
7.3.2 Testing against customer specified data sheets . 15
7.4 Allowed deviation of preconditions . . 15
7.5 Allowed deviation of machine Mach number . 15
7.6 Selection of test flow .16
7.6.1 Selection of flow setting .16
7.7 Selection of test pressure .16
7.7.1 Note: The following terms are required for R and K with formulae and source. .16
te te
7.7.2 For positive displacement low-pressure compressors with or without internal
compression . . .16
7.7.3 For dynamic low-pressure compressors .17
7.8 Allowed deviation of flow and work coefficient .17
7.8.1 Allowed deviations to be checked for test validity .17
7.9 Fluctuations on the specific test readings/results during test at steady state .17
7.10 Two-speed test.18
7.10.1 General .18

iii
ISO/FDIS 22484:2024(en)
7.10.2 First test .18
7.10.3 Second test .18
8 Correction of test results . 19
8.1 General .19
8.2 Correction of measured flow (variable speed packaged compressors, only) .19
8.3 Correction of measured pressure . .19
8.3.1 For dynamic low-pressure packaged compressors .19
8.3.2 For positive displacement low-pressure packaged compressors . 20
8.3.3 For positive displacement and dynamic low-pressure packaged compressors . 20
8.4 Correction of specific energy demand . 20
8.5 Corrected packaged compressor power consumption .21
8.6 Power correction of the two-speed test.21
8.7 Calculated package isentropic efficiency .21
8.8 Comparison of corrected values with guaranteed values . 22
8.9 Examples of calculations .
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ISO/FDIS 22484:2024(en)
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ISO /TC 118/SC 06 6
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Secretariat: SIS .
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Date: 2024-07-12xx
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Displacement and dynamic compressors — Performance test code
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for electric driven low-pressure air compressor packages .
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Compresseurs volumétriques et turbocompresseurs — Code d'essai de performance des ensembles de
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compresseurs basse pression à entraînement électrique
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St l D fi iti
ISO/FDIS 22484:2024(Een) Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
Formatted: HeaderCentered, Space After: 0 pt, Line
spacing: single
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication
may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, Formatted: Right: 1.5 cm, Bottom: 1 cm, Gutter: 0 cm,
Header distance from edge: 1.27 cm, Footer distance
or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO
from edge: 0.5 cm
at the address below or ISO’s member body in the country of the requester.
Formatted: Default Paragraph Font
ISO copyright office
Formatted: Default Paragraph Font
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Formatted: Indent: Left: 0 cm, Right: 0 cm, Space
Phone: + 41 22 749 01 11
Before: 0 pt, No page break before, Adjust space
EmailE-mail: [e-mail]
between Latin and Asian text, Adjust space between
Website: www.iso.orgwww.iso.org
Asian text and numbers
Published in Switzerland
Formatted: Font: 11 pt
Formatted: FooterPageRomanNumber, Space After: 0
pt, Line spacing: single
ii © ISO 2024 – All rights reserved
ii
ISO/FDIS 22484:2024(en) Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
Formatted: HeaderCentered, Left, Space After: 0 pt,
Contents
Line spacing: single
Formatted: Adjust space between Latin and Asian text,
Foreword . vii
Adjust space between Asian text and numbers
Introduction . viii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Units . 7
5 Guarantee and measurement . 9
5.1 Packaged compressor . 9
5.2 Preconditions of the guarantee . 10
5.3 Object of the guarantee . 11
5.4 Low-pressure compressor to be tested . 11
5.5 Low-pressure compressor specifications to be provided prior to testing . 11
6 Measuring equipment, methods and accuracy . 12
6.1 General. 12
6.2 Measurement of pressure . 12
6.2.1 General. 12
6.2.2 Atmospheric pressure . 12
6.2.3 Pressure measurement for ambient inlet . 12
6.2.4 Pressure measurement for piped inlet . 13
6.2.5 Pressure measurement for piped discharge . 13
6.3 Measurement of temperature . 13
6.3.1 General. 13
6.3.2 Temperature measurement for ambient inlet . 13
6.3.3 Temperature measurement for piped inlet . 13
6.3.4 Temperature measurement for piped discharge . 13
6.4 Measurement of humidity . 14
6.5 Measurement of rotational frequency . 14
6.6 Measurement of flow rate . 14
6.7 Measurement of external coolant flow rate . 14
6.8 Measurement of power and energy . 14
6.8.1 General. 14
6.9 Calibration of instruments . 15
7 Test . 15
7.1 General test process . 15
7.2 Allowed deviation of rotational speed between test and guarantee . 16
7.3 Allowed deviation of ambient conditions . 17
7.3.1 Testing against general performance data . 17
7.3.2 Testing against customer specified data sheets . 17
7.4 Allowed deviation of preconditions . 17
7.5 Allowed deviation of machine Mach number . 18
Formatted: Font: 10 pt
7.6 Selection of test flow . 18
7.6.1 Selection of flow setting . 18
Formatted: Font: 10 pt
7.7 Selection of test pressure . 19
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7.7.1 Note: The following terms are required for Rte and Kte with formulae and source. . 19
7.7.2 For positive displacement low-pressure compressors with or without internal Formatted: FooterCentered, Left, Line spacing: single
compression . 19
Formatted: Font: 11 pt
7.7.3 For dynamic low-pressure compressors . 19
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7.8 Allowed deviation of flow and work coefficient . 20
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© ISO 2024 – All rights reserved
iii
ISO/FDIS 22484:2024(Een) Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
7.8.1 Allowed deviations to be checked for test validity . 20
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7.9 Fluctuations on the specific test readings/results during test at steady state . 20
spacing: single
7.10 Two-speed test . 21
7.10.1 General. 21
7.10.2 First test . 21
7.10.3 Second test. 22
8 Correction of test results . 22
8.1 General. 22
8.2 Correction of measured flow (variable speed packaged compressors, only) . 22
8.3 Correction of measured pressure . 23
8.3.1 For dynamic low-pressure packaged compressors . 23
8.3.2 For positive displacement low-pressure packaged compressors . 23
8.3.3 For positive displacement and dynamic low-pressure packaged compressors . 23
8.4 Correction of specific energy demand . 24
8.5 Corrected packaged compressor power consumption . 25
8.6 Power correction of the two-speed test . 25
8.7 Calculated package isentropic efficiency . 25
8.8 Comparison of corrected values with guaranteed values . 26
8.9 Examples of calculations . 27
9 Test report . 27
9.1 Test report content . 27
9.2 Test results summary . 28
Annex A (normative) Equipment checklist . 29
Annex B (informative) Test result summary . 31
Annex C (informative) Examples of acceptance test reports/calculations . 33
Annex D (informative) Background of thermodynamics . 65
Bibliography . 74
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