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BS EN 62040-5-3:2017

BS EN 62040-5-3:2017

$215.11

Uninterruptible power systems (UPS) – DC output UPS. Performance and test requirements

Published By Publication Date Number of Pages
BSI 2017 72
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This part of IEC 62040 establishes the performance and test requirements applied to movable, stationary and fixed electronic DC uninterruptible power systems (DC UPS) that

  • are supplied from an AC voltage source not exceeding 1 000 V,

  • deliver a DC output voltage not exceeding 1 500 V,

  • incorporate an energy storage device, and

  • have a primary function to ensure continuity of DC power to loads.

This document specifies performance and test requirements of a complete DC UPS and not of individual DC UPS functional units. The individual DC UPS functional units are dealt with in IEC publications referred to in the bibliography that apply so far that they are not in contradiction with this document.

DC UPSs have been developed over a wide range of power, from less than a hundred watts to megawatts, to meet requirements for availability and quality of power to a variety of loads. Refer to Annexes A and B for information on typical DC UPS configurations and topologies.

This document also includes DC UPS performance and test requirements related to interrupters, isolating switches, and tie switches, if any, which are integral to the DC UPS. These components interact with other functional units of the DC UPS to maintain continuity of load power.

This document does not cover

  • conventional AC input distribution boards and their associated switches,

  • conventional DC distribution boards and their associated switches,

  • conventional AC UPSs covered by IEC 62040‑3 ,

  • low-voltage DC power supply devices covered by a specific product standard, for example IEC 61204 , and those covered by a specific product standard, for example ITU communication standards, and

  • systems wherein the output voltage is derived from a rotating machine.

NOTE 1

This document recognises that power availability to information technology (IT) equipment represents a major UPS application. The DC UPS output characteristics specified in this document are therefore also aimed at ensuring compatibility with the requirements of IT equipment. This, subject to any limitation stated in the manufacturer’s declaration, includes requirements for steady state and transient voltage variation as well as for the supply of both resistive and constant power load characteristics of IT equipment.

NOTE 2

Test loads specified in this document simulate both resistive and constant power load characteristics. Their use is prescribed with the objective of verifying design and performance, as declared by the manufacturer, and also of minimising any complexity and energy consumption during the tests.

PDF Catalog

PDF Pages PDF Title
7 English
CONTENTS
10 FOREWORD
12 1 Scope
13 2 Normative references
3 Terms and definitions
3.1 General
14 3.2 System and component definitions
Figures
Figure 1 – Examples of basic electronic power converters
16 3.3 Performance of systems and components
18 3.4 Specified values ‒ General
21 3.5 Input values
22 3.6 Output values
23 4 Environmental conditions
4.1 Test environment
4.2 Normal conditions
4.2.1 Operation
24 4.2.2 Storage and transportation
Tables
Table 1 – Example of power derating factors for use at altitudes above 1 000 m
25 4.3 Unusual conditions
4.3.1 General
4.3.2 Operation
4.3.3 Storage and transportation
5 Electrical conditions, performance and declared values
5.1 General
5.1.1 DC UPS configuration
26 5.1.2 Markings and instructions
5.2 DC UPS input specification
5.2.1 Conditions for normal mode operation
5.2.2 Input characteristics to be declared by the manufacturer
Table 2 – Compatibility levels for individual harmonic voltages in low voltage networks
27 5.2.3 Characteristics and conditions to be identified by the purchaser
5.3 DC UPS output specification
5.3.1 Conditions for the DC UPS to supply a load
28 5.3.2 Characteristics to be declared by the manufacturer
5.3.3 Characteristics and conditions to be identified by the purchaser
5.3.4 Performance classification
29 Figure 2 – Dynamic output performance
30 5.4 Stored energy specification
5.4.1 General
5.4.2 Battery
31 5.5 DC UPS switch specification
5.6 Communication circuits
6 DC UPS tests
6.1 Summary
6.1.1 Venue, instrumentation and load
32 6.1.2 Routine test
6.1.3 Site test
33 6.1.4 Witness test
6.1.5 Type test
6.1.6 Schedule of tests
Table 3 – DC UPS test schedule
34 6.2 Routine test procedure
6.2.1 Environmental
6.2.2 Electrical
36 6.3 Site test procedure
6.4 Type test procedure (electrical)
6.4.1 Input – AC supply compatibility
38 6.4.2 Output characteristics – Resistive load
42 6.4.3 Output characteristics – Constant power load
6.4.4 Stored and restored energy
43 6.5 Type test procedure (environmental)
6.5.1 Environmental and transportation test methods
44 6.5.2 Storage
Table 4 – Free fall testing
45 6.5.3 Operation
6.5.4 Acoustic noise
46 6.6 DC UPS functional unit tests (where not tested as a complete DC UPS)
6.6.1 DC UPS rectifier tests
6.6.2 DC UPS converter tests
6.6.3 DC UPS switch tests
6.6.4 Stored energy/battery tests
48 Annexes
Annex A (informative) DC UPS configurations
A.1 General
A.2 Single DC UPS
A.2.1 Introduction
A.2.2 Basic single DC UPS
A.2.3 Scalable single DC UPS
Figure A.1 – Basic single DC UPS
49 A.3 Parallel DC UPS
A.3.1 General
A.3.2 Parallel non-redundant DC UPS
Figure A.2 – System sized for load (N DC UPS units) – No redundancy
50 A.3.3 Parallel redundant DC UPS
A.3.4 Enhanced parallel redundant DC UPS
Figure A.3 – System sized for load (N DC UPS units) – N + 1 redundancy
51 A.4 Dual bus
A.4.1 General
A.4.2 Dual bus system 2(N + r)
Figure A.4 – System sized for load (N DC UPS units) – N + r redundancy
Figure A.5 – Dual bus DC UPS
52 A.4.3 Dual bus distribution (N + r)
Figure A.6 – Dual bus DC UPS variant
53 Annex B (informative) Topologies – DC UPS
B.1 General
B.2 Basic topologies
B.2.1 General
B.2.2 Direct energy storage connect
54 B.2.3 Series converter connect
B.2.4 Shunt converter connect
Figure B.1 – Direct energy storage connect
Figure B.2 – Series converter connect
55 Figure B.3 – Shunt converter connect
56 Annex C (informative) Purchaser specification guidelines
C.1 General
Table C.1 – DC UPS technical data – Manufacturer’s declaration (1 of 4)
60 Annex D (normative) Input mains failure – Test method
Figure D.1 – Connection of test circuit
61 Annex E (informative) Dynamic output performance – Measurement techniques
E.1 General
E.2 Graphical validating method
Figure E.1 – Example: Narrowband validation of dynamic voltage response
62 Figure E.2 – Example: Wideband validation of dynamic voltage response
63 Annex F (normative) DC UPS efficiency – Methods of measurement
F.1 General
F.2 Measurement conditions
F.2.1 Environmental conditions
F.2.2 Operational and electrical conditions
F.2.3 Instrumentation
64 F.3 Measurement method
F.4 Test report
66 Annex G (informative) Climatic test
G.1 General
G.2 Testing of compliance to climatic requirements
Table G.1 – Recommended tests for IEC 60721-3-3 – Class 3K2 (continuously temperature-controlled enclosed locations; humidity not controlled)
68 Bibliography
BS EN 62040-5-3:2017
$215.11