AS 62040.3—200 62040.3—2002 2 IEC 62040-3:1999 (Incorporating Amendment No. 1) A S 6 2 0 4 0 . 3
Australian Standard ™ . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
Uninterruptible power systems (UPS) Part 3: Method of specifying the performance and test requirements
This Australian Standard was prepared by Committee EL-027, Power Electronics. It was approved on behalf of the Council of Standards Australia on 15 November 2002 and published on 17 December 2002.
The following are represented on Committee EL-027: Australian Communications Authority . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
Australian Electrical and Electronic Manufacturers Association Bureau of Steel Manufacturers of Australia Electricity Supply Association of Australia Monash University University of Wollongong
Keeping Standards up-to-date Standards are living documents which reflect progress in science, technology and systems. To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions, amendments may be issued. Standards may also be withdrawn. It is important that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. Detailed information about Standards can be found by visiting the Standards Australia web site at www.standards.com.au and looking up the relevant Standard in the on-line catalogue. Alternatively, Alternatively, the printed Catalogue provides information information current at 1 January each yea r, and the th e m onthl on thl y mag azi ne, The Global Standard , has a full listing of revisions and amendments published each month. We also welcome suggestions for improvement in our Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Contact us via email at
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This Standard was issued in draft form for comment as DR 02438.
AS 62040.3—200 62040.3—2002 2 (Incorporating Amendment No. 1)
Australian Standard ™ . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
Uninterruptible power systems (UPS) Part 3: Method of specifying the performance and test requirements
First published as AS 62040.3—2002. Reissued incorporating Amendment Amendment No. 1 (August 2003).
COPYRIGHT
© Standards Australia International All rights a re reserv ed. No part of this wor k may be rep roduced or c opied in an y form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Published by Standards Australia International Ltd GPO Box 5420, Sydney, NSW 2001, Australia ISBN 0 7337 4955 0
ii
PREFACE
This Standard was was prepared by the Standards Australia Australia Committee EL-027, Power Pow er Electr E lectronic onicss . August 2003 ). The changes This Standard incorporates Amendment No. 1 ( August cha nges required requ ired by the Amendm Ame ndment ent are indicat ind icated ed in the text by a margin mar ginal al bar and amendm ame ndment ent number num ber against aga inst the clause, note, table, figure or part thereof affected.
The objective of this Standard is to provide manufacturers, designers and users with a means of specifying uninterruptible power supply systems. This Standard has been reproduced from , and is technically identical to, IEC 62040-3:1999, Uninterruptible power systems (UPS) Part 3: Method of specifying the performance and test requirements. requirements. . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
A1
IEC 62040-3:1999 contained errors in Figures 4 and F.3 and Annex E and, after consultation with the IEC Committee, these errors have been corrected. In addition, notes have been added to some clauses to assist users of this Standard. Variations to IEC 62040-3:1999 are indicated at the appropriate places throughout this standard. Strikethrough (example) identifies IEC text, tables and figures which, for the purposes of this Australian Standard, are deleted. Where text, tables or figures are added, each is set in its proper place and identified by shading (exa mple). Added figures are not themselves shaded, but are identified by a shaded border. The terms ‘normative’ and ‘informative’ are used to define the application of the annex to which they apply. A normative annex is an integral part of a standard, whereas an informative annex is only for information and guidance. In this Standard, the following print types are used: –
requirements proper: in arial type ;
–
explanatory matter: in smaller arial type.
As this Standard is reproduced from an International Standard, the following applies: (a)
Its number does not appear on on each page of text and its identity identity is shown only on the cover and title page.
(b)
In the source text ‘this international standard’ should read ‘this Australian Australian Standard’.
(c)
A full full point should be substituted substituted for a comma when referring to a decimal marker.
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CONTENTS
Page
. m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
1
Scope and object...................................... object...................................................... ............................... ............................... ................................ .........................1 .........1
2
Normative references ............................... ............................................... ................................ ............................... ............................... .........................2 .........2
3
Terms and definitions ............................... ............................................... ................................ ................................ ............................... ........................4 .........4
4
3. 3.1 1
Systems and components...................... components...................................... ................................ ................................ ................................ ..................4 ..4
3. 3.2 2
Performance of s ystems and components ....................................... ....................................................... ........................7 ........7
3. 3.3 3
Specified values – General............................. General............................................ ............................... ................................ ........................13 ........13
3. 3.4 4
Input values.................................. values.................................................. ................................ ................................ ................................ .........................16 .........16
3. 3.5 5
Output values ................................ ............................................... ............................... ................................ ................................ .........................17 .........17
General ambient servic e conditions .............................. .............................................. ................................. ................................. .................. 19 4. 4.1 1
4. 4.2 2
5
Normal environmental a nd climatic service c onditions ................... ................................... ........................19 ........19 4.1.1
Alti Al titu tude de ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... . 20
4.1.2
Amb ient ie nt ser vice vi ce tempe te mpe rat ure ur e ....... .... ... ... ... ... ... ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... 20
4.1.3
Relative humidity ................................ ................................................ ................................ ............................... .......................20 ........20
4.1.4
Amb ient ie nt stora st ora ge an and d tran tr anspo spo rtat rt atio ion n cond co ndit itio ions ns ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... .. 20
Unusual service conditions to be identified by the purchaser purchaser ............................... ................................. .. 21 4.2.1
Environmental conditions to be identified...................................................21
4.2.2
Mechanical condi tions to be identified ....................................... .......................................................21 ................21
Electrical service conditions and p erformance ................................ ................................................ ................................21 ................21 5. 5.1 1
5. 5.2 2
5. 5.3 3
General - All UPS ............................... ............................................... ................................ ................................ ................................ ................... ... 21 5.1.1
UPS configurations ............................... ............................................... ................................ ................................ ..................... ..... 21
5.1.2
Equipment markings and i nstructions ........................................ ........................................................22 ................22
5.1.3
Equipment safety ............................... ............................................... ................................ ................................ ........................24 ........24
UPS input specifications .............................. .............................................. ................................ ................................ ..........................24 ..........24 5.2.1
Normal service conditions .............................. .............................................. ................................ ............................24 ............24
5.2.2
Rated values and c haracteristics ...................... ....................................... ................................. ........................25 ........25
5.2.3
UPS input conditions to be identified by the purchaser ..............................26
UPS output specifications............................ specifications............................................ ................................ ................................ ..........................26 ..........26 5.3.1
Steady-state and dynamic output voltage characteristics ...........................26 ...........................26
5.3.2
Rated output values and characteristics ................................. ................................................. ................... ... 29
5.3.3
Single UPS and parallel UPS with bypass..................................................30
5.3.4
Performance requirements to be identified by the purchaser......................30
5. 5.4 4
UPS intermediate d.c. circuit and/or battery circuit specification ............................31 ............................31
5. 5.5 5
UPS switches, rated values and performance ............................... ................................................ .........................31 ........31
5. 5.6 6
5.5.1
General ................................ ............................................... ............................... ................................ ................................ ......................31 ......31
5.5.2
UPS switches ............................... ............................................... ................................ ................................ .............................32 .............32
Redundant and parallel UPS systems (refer to annex A) .......................................32 .......................................32 5.6.1
Standby redundant UPS ..................................... ..................................................... ................................ .......................32 .......32
5.6.2
Parallel redundant UPS ...................................... ...................................................... ................................ .......................32 .......32
5. 5.7 7
Electromagnetic compatibility ............................... ............................................... ................................ ................................ .................. 33
5. 5.8 8
Signalling circuits ................................ ................................................ ................................ ................................ ............................... .................. ... 33
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6
Electrical tests for UPS........................................ UPS........................................................ ................................ ................................ ...........................33 ...........33 6. 6.1 1
6. 6.2 2
6. 6.3 3 . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
General ................................ ................................................ ................................ ................................ ................................ ................................ .................. 33 6.1.1
Type tests ............................... .............................................. ............................... ................................ ................................ ................... ... 33
6.1.2
Routine tests ................................ ................................................ ................................ ................................ .............................33 .............33
6.1.3
Test conditions ................................ ................................................ ................................ ............................... ..........................33 ...........33
UPS functional unit tests (where applic able).......................................... able)..........................................................34 ................34 6.2.1
UPS rectifier tests .............................. .............................................. ............................... ............................... ........................34 ........34
6.2.2
UPS inverter tests .............................. .............................................. ................................ ............................... .......................34 ........34
6.2.3
UPS switch tests ................................ ................................................ ................................ ................................ .......................34 .......34
6.2.4
Monitoring and control e quipment tests ........................................ .....................................................35 .............35
6.2.5
Battery tests .............................. .............................................. ................................ ................................ ................................35 ................35
Type tests of manufacturer's manufacturer's declared characteristics as a complete UPS .............35 6.3.1
Control an d monitoring signals ........................................... ........................................................... .......................36 .......36
6.3.2
Input voltage and frequency tolerance test ........................................ ................................................37 ........37
6.3.3
Inrush current test ........................................... .......................................................... ............................... ...........................37 ...........37
6.3.4
UPS output characteristics tests – Static conditions – Normal and stored energ y mode of operatio n ......................... ......................................... ................................ ......................38 ......38
6.3.5
UPS output characteristics – Overload and sh ort-circuit .......................... ............................ .. 39
6.3.6
UPS output dynamic characteristic tests....................................................39
6.3.7
UPS output dynamic load characteristic tests ............................... ............................................40 .............40
6.3.8
UPS output characteristics – Reference non-linear loads...........................40
6.3.9
Stored and restored energy time tests ............................ ............................................ ...........................42 ...........42
6.3.10 Efficiency and i nput power factor ............................... ............................................... ................................42 ................42 6.3.11 Backfeed test ............................... ............................................... ................................ ................................ .............................42 .............42 6.3.12 Electromagnetic c ompatibility test...................................... test...................................................... ........................42 ........42 6. 6.4 4
Reserved for future use .............................. .............................................. ................................ ................................ ...........................42 ...........42
6. 6.5 5
Reserved for future use .............................. .............................................. ................................ ................................ ...........................42 ...........42
6. 6.6 6
Factory wi tness t ests/on-site tests ................................ ................................................ ................................ .........................42 .........42 6.6.1
UPS tests ................................ ................................................ ................................ ............................... ............................... ................... ... 43
6.6.2
Test specifications ................................ ................................................ ................................ ................................ ..................... ..... 44
6.6.3
Light load test....................................... test....................................................... ................................ ................................ ..................... ..... 44
6.6.4
UPS auxil iary dev ice(s) test .............................. .............................................. ................................ .........................44 .........44
6.6.5
Synchronizat ion test ........................................... ........................................................... ................................ .......................44 .......44
6.6.6
AC inpu in putt fail fa ilur ure e test te st ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... 44
6.6.7
AC inpu in putt retu re turn rn test te st ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... 44
6.6.8
Simulation of parallel redundant UPS fault test ................................ ..........................................45 ..........45
6.6.9
Transfer test .............................. .............................................. ............................... ............................... ................................ .................. 45
6.6.10 Full load test.................................... test................................................... ............................... ................................ ...........................45 ...........45 6.6.11 UPS efficiency test ..................................... ..................................................... ................................ ...............................45 ...............45 6.6.12 Unbalanced load test ............................... ............................................... ................................ ................................ .................. .. 45 6.6.13 Balanced load test .............................. .............................................. ................................ ............................... .......................45 ........45 6.6.14 Test of current division in parallel or parallel redundant UPS ..................... ..................... 46 6.6.15 Rated stored energy time test ................................ ............................................... ............................... ..................... ..... 46 6.6.16 Rated restored e nergy time ................................... ................................................... ............................... .................... ..... 46 6.6.17 Battery rippl e current measurement ................................ ................................................ ...........................46 ...........46 6.6.18 Overload capability test .............................. .............................................. ................................ ...............................46 ...............46
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6.6.19 Short-circuit test .............................. .............................................. ............................... ............................... ...........................46 ...........46 6.6.20 Short-circuit protection device test ............................... ............................................... ..............................46 ..............46 6.6.21 Restart test..................................... test..................................................... ................................ ................................ ...........................46 ...........46 6.6.22 Output overvoltage test ............................................. ............................................................. ................................47 ................47 6.6.23 Periodic output voltage variation test ................................. ................................................. ........................47 ........47 6.6.24 Frequency variation test ..................................... ..................................................... ................................ .......................47 .......47 6.6.25 Radiofrequency interference and conducted noise test ..............................47 ..............................47 6.6.26 Harmonic components measurement ................................ ................................................. .........................47 ........47 6.6.27 Earth fault test .............................. .............................................. ................................ ................................ .............................47 .............47 6.6.28 On-site ventilation test ................................ ................................................ ................................ ...............................47 ...............47 6.6.29 Standby generator compatibility test ............................... ............................................... ...........................47 ...........47 6. 6.7 7 . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
UPS switches testing procedure ................................ ............................................... ............................... .............................48 .............48 6.7.1
Testing schedule ................................ ................................................ ................................ ................................ .......................48 .......48
6.7.2
Test specifications ................................ ................................................ ................................ ................................ ..................... ..... 48
6.7.3
Interconnection cable check ....................................... ....................................................... ...............................48 ...............48
6.7.4
Light load test....................................... test....................................................... ................................ ................................ ..................... ..... 48
6.7.5
Full load test.................................... test................................................... ............................... ................................ ...........................48 ...........48
6.7.6
Transfer test .............................. .............................................. ............................... ............................... ................................ .................. 49
6.7.7
Overload capability test .............................. .............................................. ................................ ...............................49 ...............49
6.7.8
Short-circuit current ca pability test ....................................... ....................................................... ..................... ..... 49
6.7.9
Overvoltage test (electronic power switches) ................................ .............................................49 .............49
6.7.10 Radiofrequency interference and conducted noise.....................................49 6.7.11 Au Audi di ble bl e no nois ise e ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... 49 6.7.12 On-site ventilation test ................................ ................................................ ................................ ...............................49 ...............49 6.7.13 Earth fault test .............................. .............................................. ................................ ................................ .............................49 .............49 6.7.14 Ad Addi di tion ti onal al test te sts s ..... .. ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... 50 7
Non-electrical tests........................................ tests........................................................ ................................ ................................ ................................ .................. 50 7. 7.1 1
Environmental and transportation t est methods ............................ ............................................. .........................50 ........50 7.1.1
7. 7.2 2
7. 7.3 3
Transportation .............................. .............................................. ............................... ............................... ..............................50 ..............50
Environmental storage a nd operating tes t methods ............................ ............................................ ................... ... 51 7.2.1
Storage condit ion tests ................................ ................................................ ................................ ..............................51 ..............51
7.2.2
Operating co ndition tests ............................... .............................................. ............................... .............................51 .............51
Acous Ac ous tic ti c no nois ise e ... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... 52
Anne An nex x A (inf (i nform ormat ativ ive) e) Ty pes of Unin Un inter ter rupt ru ptib ib le Powe Po werr Sy stems st ems (UP S) conf co nfig igur urat atio io ns ... ... ... .. 53 A.1 A. 1
Single UPS......................................... UPS......................................................... ................................ ................................ ................................ ................... ... 53
A.2 A. 2
Parallel UPS....................................... UPS....................................................... ................................ ................................ ................................ ................... ... 55
A.3 A. 3
Redundant UPS ............................... ............................................... ................................ ............................... ............................... ......................56 ......56
Anne An nex x B (inf (i nform ormat ativ ive) e) Examp Ex amp les le s of Unin Un inte terru rru pt ptib ible le Powe Po werr Sy stem st em (UPS (U PS)) op opera era tion ti on .... . ... ... ..... ..... ... .. 59 B.1 B. 1
UPS double conversion ......................................... ......................................................... ................................ ................................59 ................59
B.2 B. 2
UPS double conversion wit h bypass ............................... ............................................... ................................ .......................59 .......59
B.3 B. 3
UPS line interactive operation ................................... .................................................. ............................... .............................61 .............61
B.4 B. 4
UPS line interactive operation with b ypass .............................. .............................................. ..............................61 ..............61
B.5 B. 5
UPS passi ve stand-b y operation ................................ ............................................... ............................... .............................63 .............63
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Page Anne An nex x C (info (i nforma rmati ti ve) ve ) Expl Ex plan anat atio ion n of UPS UP S s witc wi tch h def init in itio ions ns ... ... ... ... ... ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... .... 64 C.1 C. 1
UPS interrupters................. interrupters................................. ................................ ................................ ................................ ................................ ................... ... 64
C.2 C. 2
Transfer switches ............................... ............................................... ................................ ................................ ................................ ................... ... 66
C.3 C. 3
UPS isolation switches ........................................ ........................................................ ................................ ................................ .................. .. 69
C.4 C. 4
UPS maintenanc e b ypass switches ................................... ................................................... ................................ .................... .... 70
C.5 C. 5
Tie switches ............................... ............................................... ................................ ................................ ............................... ...........................71 ............71
C.6 C. 6
Multiple function UPS s witches............................. witches............................................ ............................... ................................ .................. .. 71
Anne An nex x D (info (i nforma rmati ti ve) ve ) Purch Pu rch aser as er spec sp ecif ific icat atio ion n gu guid idel el ines in es ... . ..... ... ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ... ..... ..... ... . 73
. m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
D.1 D. 1
Type of UPS , additional features and sys tem requirements ................................. ................................... .. 73
D.2 D. 2
UPS input ................................ ................................................ ................................ ................................ ................................ ..............................73 ..............73
D.3 D. 3
Load to be operated from UPS .................................... .................................................... ............................... ..........................74 ...........74
D.4 D. 4
UPS output......................... output......................................... ................................ ................................ ................................ ............................... ................... .... 74
D.5 D. 5
Battery (where applicable) ................................ ................................................ ................................ ................................ ..................... ..... 75
D.6 D. 6
General application requirements and special service conditions...........................75
D.7 D. 7
Multi-module system configurations ................................. ................................................. ................................ ......................75 ......75
D.8 D. 8
Electromagnetic compatibility ............................... ............................................... ................................ ................................ .................. 75
D.9 D. 9
Technical data s heets – Manufacturer's decl aration.................................. aration...............................................76 .............76
D.10 Classification of uninterruptibl e power systems b y performance ............................78 ............................78 Anne An nex x E (norm (n ormat ativ iv e) Refer Re feren ence ce no nonn-lili ne near ar load lo ad ... ... ... ... ... ... ..... ..... ... ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ... ..... .... .. 81 Anne An nex x F ( no norma rmati tive ve)) Backf Ba ckf ee eed d pro tect te ctio ion n test te st ... ... ... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... .. 83 F.1 F. 1
Test for pluggable Type A or B UPS ............................... ............................................... ................................ .......................83 .......83
F.2 F. 2
Test for permanently connected UPS (only for UPS with backfeed protection).......83
F.3 F. 3
Measuring instrument for earth leakage current tests ...................................... ............................................ ...... 84
Anne An nex x G ( no norma rmati tive ve)) Inpu In putt mai ns fail fa il ure – T est es t met m etho hod d ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... .. 85 G.1 G. 1
High impedance mains failure test ................................ ................................................ ................................ .........................85 .........85
G.2 G. 2
Low impedance mains failure test........................................... test............................................................ ...............................85 ..............85
Anne An nex x H (info (i nforma rmati ti ve) ve ) D et eterm ermin inat atio ion n of ou outp tput ut volt vo ltag age e trans tr ans ient ie nt de devi vi at atio ion n characteristics ............................... ............................................... ................................ ................................ ................................ ............................... ................. .. 86 H.1 H. 1
General considerations.......................... considerations.......................................... ................................ ................................ ................................86 ................86
H.2 H. 2
Test methods and instrumentation ............................... ................................................ ................................. .........................87 .........87
H.3 H. 3
Sinusoidal output vo ltage waveforms.................. waveforms.................................. ................................ ................................ ................... ... 87
H.4 H. 4
Non-sinusoidal output voltage waveforms (trapezoidal/quasi-square/square).........88
H.5 H. 5
Resistive load t est method – Change of operating mode/step load ...................... ........................ .. 88
H.6 H. 6
Reference non-linear load test method – Change of of operating mode/step load ......89
Anne An nex x I (info (i nfo rmati rma tive ve)) B ib li ogr ap aphy hy ..... .. ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ... ... ..... ..... ..... ..... ... ... ..... 90 Anne An nex x ZZ (norm (n ormat ativ ive) e) Va riat ri atio ions ns to IEC IE C 62 6204 0400-3: 3:19 1999 99 for fo r a pp pplilica cati ti on in Aust Au stra ralili a ..... .. ... ... ... ... ..... .. 91
1
STANDARDS AUSTRALIA
Australian Standard Uninterruptible Uninterruptible power systems (UPS) Part 3: Method of specifying the performance and test requirements An y IEC IE C tabl ta ble, e, figu fi gure re or pa pass ssag age e of tex t that th at is stru st ruck ck-th -th rou gh is no nott pa part rt of this th is Stan St andar dar d. An y Aust Au stra ralili an tabl ta ble, e, figu fi gure re or pas sage sa ge of tex t that th at is ad adde ded d (and (a nd iden id enti tifi fied ed by sha ding) di ng) is pa part rt of this Standard.
1 . m o c . l a b o l g i a s . e r o t s o f n i / / : p t t h t a n o i s r e v l l u f e h t s s e c c A . e l p m a s e g a p 9 e e r f a s i s i h T
Scope and object
This standard applies to electronic indirect a.c. converter systems with electrical energy storage means in the d.c. link. The primary function of th e uninterruptible power syst em (UPS) covered by this standard is to ensure continuity of an alternating power source. The uninterruptible power system may also serve to improve the quality of the power source by keeping it within specified characteristics. A vari va riet etyy of un unin inte terru rru pt ptib ible le po powe werr sy stems st ems ha have ve be been en de deve ve lope lo ped d to mee t cons co nsume umers' rs' requirements for continuity and quality of power for different types of loads over a wide range of power, from less than 100 W to several megawatts. Refer to annexes A and B for information on some of the types available. This standard applies to electronic uninterruptible power systems (UPS): a)
delivering single- or three-phase fixed frequency a.c. output voltage;
b)
with energy storage device in the d.c. link if not otherwise specified;
c)
with rated voltage not exceeding 1 000 V a.c.;
d)
movable, stationary and/or fixed equipment.
This standard also includes the method of specifying all power switches that form integral parts of a UPS and are associated with its output. Included are interrupters, bypass switches, isolating switches, load transfer switches and tie switches. These switches interact with other functional units of the UPS to maintain continuity of load power. This standard does not refer to conventional mains distribution boards, rectifier input switches or d.c. switches (for example for batteries, rectifier output or inverter input, etc.), or UPS based on rotating machines. NOTE 1 – This standard recognizes that the major market usage with the UPS ratings within its scope is in conjunction with information technology equipment. Under current technology, the majority of UPS load equipment employs power supplies which present a non-linear load to the UPS and can be tolerant of non-sinusoidal voltage waveforms for a limited time duration. UPS output ratings are specified to be compatible with non-linear loading and linear loading, subject to manufacturers' declaration if different. References within this standard to linear loading are retained for test method reasons, or validation of manufacturers' additional declaration. NOTE 2 – For use of UPS with a non-sinusoidal output voltage waveform, beyond the stored-energy ti me recommended in this standard, the agreement of the load equipment manufacturer should be sought. NOTE 3 – For UPS output frequencies other than 50 Hz or 60 Hz, performance specification is subject to agreement between manufacturer and purchaser.
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AS 62040.3-2002, Uninterruptible power systems (UPS) Method of specifying the performance and test requirements
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