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IEC 62040-3
Edition 3.0 2021-04
INTERNATIONAL
STANDARD
colour
inside
Uninterruptible power systems (UPS) –
Part 3: Method of specifying the performance and test requirements
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IEC 62040-3
Edition 3.0 2021-04
INTERNATIONAL
STANDARD
colour
inside
Uninterruptible power systems (UPS) –
Part 3: Method of specifying the performance and test requirements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.200 ISBN 978-2-8322-9670-7
– 2 – IEC 62040-3:2021 © IEC 2021
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 10
3.1 General . 10
3.2 Systems and components . 11
3.3 Performance of systems and components . 15
3.4 Equipment mobility. 18
3.5 Specified values. 18
4 Environmental conditions . 25
4.1 General – Test environment . 25
4.2 Normal conditions . 25
4.2.1 General . 25
4.2.2 Operation . 26
4.2.3 Storage and transportation . 26
4.3 Unusual conditions. 26
4.3.1 General . 26
4.3.2 Operation . 26
4.3.3 Storage and transportation . 27
5 Electrical conditions, performance and declared values . 28
5.1 General . 28
5.1.1 UPS configuration . 28
5.1.2 Markings and instructions . 28
5.2 UPS input specification . 28
5.2.1 Conditions for normal mode operation . 28
5.2.2 Characteristics to be declared by the manufacturer . 29
5.2.3 Characteristics and conditions to be identified by the purchaser . 30
5.3 UPS output specification . 30
5.3.1 Conditions for the UPS to supply a load . 30
5.3.2 Characteristics to be declared by the manufacturer . 31
5.3.3 Characteristics and conditions to be identified by the purchaser . 32
5.3.4 Performance classification . 32
5.4 Energy storage device specification . 37
5.4.1 General . 37
5.4.2 Battery . 37
5.5 UPS switch specification . 38
5.5.1 UPS switches supplied as an integral part of a UPS . 38
5.5.2 UPS switches not supplied as an integral part of a UPS. 38
5.6 Signal, control and communication ports . 38
6 UPS tests . 38
6.1 Summary . 38
6.1.1 Venue, instrumentation and load . 38
6.1.2 Routine testing . 39
6.1.3 Site testing . 39
6.1.4 Witness testing . 39
6.1.5 Type testing . 39
6.1.6 Schedule of tests . 40
6.2 Routine tests. 41
6.2.1 General . 41
6.2.2 Electrical . 41
6.3 Site tests . 43
6.4 Type tests – Electrical . 44
6.4.1 Input – AC input power compatibility . 44
6.4.2 Output – Load compatibility . 47
6.4.3 Stored and restored energy times . 52
6.5 Type tests – Environmental . 53
6.5.1 Transportation . 53
6.5.2 Storage in dry heat, damp heat and cold environments . 55
6.5.3 Operation in dry heat, damp heat and cold environments . 55
6.5.4 Acoustic noise . 56
6.6 UPS functional unit tests (where not tested as a complete UPS) . 56
6.6.1 General . 56
6.6.2 UPS rectifier tests . 57
6.6.3 UPS inverter tests . 57
6.6.4 UPS switch tests. 57
6.6.5 Energy storage device tests . 57
Annex A (informative) Configurations – Uninterruptible power system (UPS) . 58
A.1 General . 58
A.2 Single output bus UPS . 58
A.2.1 General . 58
A.2.2 Basic single UPS . 58
A.2.3 Single UPS with bypass . 59
A.3 Parallel UPS . 59
A.3.1 General . 59
A.3.2 Parallel UPS with common bypass . 60
A.3.3 Parallel UPS with distributed bypass . 60
A.3.4 Standby redundant UPS . 61
A.4 Dual bus UPS . 62
A.4.1 Basic dual bus UPS . 62
A.4.2 Standby redundant dual bus UPS . 63
Annex B (informative) Topologies – Uninterruptible power system (UPS) . 64
B.1 General . 64
B.2 Double conversion topology . 64
B.3 Line-interactive topology . 65
B.4 Standby topology . 65
Annex C (informative) Switch applications – Uninterruptible power systems (UPS) . 67
C.1 General . 67
C.2 Transfer switches, bypass transfer switches . 67
C.3 Maintenance bypass switches . 67
Annex D (informative) Purchaser specification guidelines . 69
D.1 General . 69
D.2 Load to be supplied by the UPS . 69
D.3 Energy storage device (battery – where applicable) . 70
D.4 Physical and environmental requirements . 70
– 4 – IEC 62040-3:2021 © IEC 2021
D.5 UPS technical data sheet – Manufacturer's declaration . 71
Annex E (normative) Reference non-linear load . 77
E.1 General . 77
E.2 Apparent power rating
...