1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21122-6 SANS 8528-3:2008Edition 2ISO 8528-3:2005Edition 2SOUTH AFRICAN NATIONAL STANDARD Reciprocating internal combustion engine driven a
4、lternating current generating sets Part 3: Alternating current generators for generating sets This national standard is the identical implementation of ISO 8528-3:2005 and is adopted with the permission of the International Organization for Standardization. Published by Standards South Africa 1 dr l
5、ategan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 8528-3:2008 Edition 2 IEC 8528-3:2005 Edition 2 Table of changes Change No. Date Scope Foreword This South African standard was approved b
6、y National Committee StanSA TC 69, Power electronics and alternative energy conversion, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in February 2008. This SANS document supersedes SABS ISO 8528-3:1993
7、(first edition). Reference numberISO 8528-3:2005(E)ISO 2005INTERNATIONAL STANDARD ISO8528-3Second edition2005-07-01Reciprocating internal combustion engine driven alternating current generating sets Part 3: Alternating current generators for generating sets Groupes lectrognes courant alternatif entr
8、ans par moteurs alternatifs combustion interne Partie 3: Alternateurs pour groupes lectrognes SANS 8528-3:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 8528-3:2005(E) PDF disclaimer This PDF file may contain embedded typefaces. In a
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13、11 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2005 All rights reservedSANS 8528-3:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 8528-3:2005(E) ISO 2
14、005 All rights reserved iiiContents Page Foreword iv 1 Scope . 1 2 Normative references . 1 3 Symbols, terms and definitions 2 4 Other requirements and additional regulations 6 5 Rating. 6 5.1 General. 6 5.2 Basic continuous rating (BR) 6 5.3 Peak continuous rating (PR) 6 6 Limits of temperature and
15、 temperature rise 7 6.1 Basic continuous rating. 7 6.2 Peak continuous rating 7 7 Rated power and speed characteristics. 7 8 Voltage characteristics. 7 9 Parallel operation 7 10 Special load conditions 8 10.1 General. 8 10.2 Unbalanced load current 8 10.3 Sustained short-circuit current . 8 10.4 Occ
16、asional excess current capability. 8 10.5 Telephone Harmonic Factor (THF) 8 10.6 Radio interference suppression (F) 9 11 Effect of electromechanical frequency of vibrations when sets operate in parallel . 9 12 Asynchronous generators with excitation equipment 9 12.1 General. 9 12.2 Sustained short-c
17、ircuit current . 9 12.3 Range of voltage setting 9 12.4 Parallel operation 9 13 Operating limit values 10 14 Rating plate . 10 Annex A (normative) Transient voltage characteristic of an a.c. generator following a sudden change in load. 11 SANS 8528-3:2008This s tandard may only be used and printed b
18、y approved subscription and freemailing clients of the SABS .ISO 8528-3:2005(E) iv ISO 2005 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards i
19、s normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take par
20、t in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to p
21、repare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility tha
22、t some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 8528-3 was prepared by Technical Committee ISO/TC 70, Internal combustion engines. This second edition cancels and replaces the first edit
23、ion (ISO 8528-3:1993), which has been technically revised. ISO 8528 consists of the following parts, under the general title Reciprocating internal combustion engine driven alternating current generating sets: Part 1: Application, ratings and performance Part 2: Engines Part 3: Alternating current g
24、enerators for generating sets Part 4: Controlgear and switchgear Part 5: Generating sets Part 6: Test methods Part 7: Technical declarations for specification and design Part 8: Requirements and tests for low-power generating sets Part 9: Measurement and evaluation of mechanical vibrations Part 10:
25、Measurement of airborne noise by the enveloping surface method Part 111): Rotary uninterruptible power supply systems Performance requirements and test methods Part 12: Emergency power supplies to safety services 1) Part 11 will be published as ISO/IEC 88528-11. SANS 8528-3:2008This s tandard may on
26、ly be used and printed by approved subscription and freemailing clients of the SABS .INTERNATIONAL STANDARD ISO 8528-3:2005(E) ISO 2005 All rights reserved 1Reciprocating internal combustion engine driven alternating current generating sets Part 3: Alternating current generators for generating sets
27、1 Scope This part of ISO 8528 specifies the principal characteristics of Alternating Current (a.c.) generators under the control of their voltage regulators when used in generating set applications. It supplements the requirements of IEC 60034-1. NOTE At present no International Standard is availabl
28、e for asynchronous generators. When such an International Standard is published, this part of ISO 8528 will be revised accordingly. This part of ISO 8528 applies to a.c. generators used in a.c. generating sets driven by reciprocating internal combustion (RIC) engines for land and marine use, excludi
29、ng generating sets used on aircraft or to propel land vehicles and locomotives. For some specific applications (e.g. essential hospital supplies, high-rise buildings), supplementary requirements may be necessary. The provisions of this part of ISO 8528 should be regarded as the basis for establishin
30、g any supplementary requirements. For a.c. generating sets driven by other reciprocating-type prime movers (e.g. steam engines) the provisions of this part of ISO 8528 should be used as a basis for establishing these requirements. 2 Normative references The following referenced documents are indispe
31、nsable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 8528-12), Reciprocating internal combustion engine driven alternating current generating se
32、ts Part 1: Application, ratings and performance IEC 60034-1, Rotating electrical machines Part 1: Rating and performance CISPR 14-1, Limits and methods of measurement of radio interference characteristics of household electrical appliances, portable tools and similar electrical apparatus CISPR 15, L
33、imits and methods of measurement of radio interference characteristics of fluorescent lamps and luminaires 2) To be published. SANS 8528-3:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 8528-3:2005(E) 2 ISO 2005 All rights reserved3
34、Symbols, terms and definitions For indications of technical data for electrical equipment, IEC uses the term “rated” and the subscript “N”. For indications of technical data for mechanical equipment, ISO uses the term “declared” and the sub-script “r”. Therefore, in this part of ISO 8528, the term “
35、rated” is applied only to electrical items. Otherwise, the term “declared” is used throughout. An explanation of the symbols and abbreviations used in this International Standard are shown in Table 1. Table 1 Symbols, terms and definitions Symbol Term Unit Definition UsSet voltage V Line-to-line vol
36、tage for defined operation selected by adjustment. Ust,maxMaximum steady-state voltage deviation V Ust,minMinimum steady-state voltage deviation V UrRated voltage V Line-to-line voltage at the terminals of the generator at the rated frequency and rated output. NOTE Rated voltage is the voltage assig
37、ned by the manufacturer for operating and performance characteristics. UrecRecovery voltage V Maximum obtainable steady-state voltage for a specified load condition. NOTE Recovery voltage is normally expressed as a percentage of the rated voltage. It normally lies within the steady-state voltage tol
38、erance band (U). For loads in excess of the rated load, recovery voltage is limited by saturation and exciter-regulator field forcing capability (see Figure A.2.1). Us,doDownward adjustable voltage V Us,upUpward adjustable voltage V U0No-load voltage V Line-to-line voltage at the terminals of the ge
39、nerator at rated frequency and no-load. Udyn,maxMaximum upward transient voltage on load decrease V Udyn,minMinimum downward transient voltage on load increase V U Steady-state voltage tolerance band V Agreed voltage band about the steady-state voltage that the voltage reaches within a given regulat
40、ing period after a specified sudden increase or decrease of load given by: rst2100UUU= SANS 8528-3:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 8528-3:2005(E) ISO 2005 All rights reserved 3Table 1 (continued) Symbol Term Unit Defin
41、ition UsRange of voltage setting V Range of maximum possible upward and downward adjustment of voltage at the generator terminals at rated frequency, for all loads between no-load and rated output and within the agreed range of power factor given by: Us= Us,up+ Us,doUs,doDownward range of voltage se
42、tting V Range between the rated voltage and downward adjustment of voltage at the generator terminals at rated frequency, for all loads between no-load and rated output within the agreed range of power factor given by: Us,do= Ur Us,doUs,upUpward range of voltage setting V Range between the rated vol
43、tage and upward adjustment of voltage at the generator terminals at rated frequency, for allloads between no-load and rated output within the agreed range of power factor given by: Us,up= Us,up Ur UdynTransient voltage deviation V dynUTransient voltage deviation on load increasea% Transient voltage
44、deviation on load increase is the voltage drop when the generator, driven at rated speed and at rated voltage under normal excitation control, is switched onto rated load, expressed as a percentage of rated voltage given by: dyn,mindynr100rUUUU= dynU+Transient voltage deviation on load decreasea% Tr
45、ansient voltage deviation on load decrease is the voltage rise when the generator, driven at rated speed and at rated voltage under normal excitation control, has a sudden rejection of rated load, expressed as a percentage of rated voltage given by: dyn,maxdynr100rUUUU+= If the load change differs f
46、rom the above-defined values, then the specified values and the associated power factors shall be stated. UsRelated range of voltage setting % Range of voltage setting expressed as a percentage of the rated voltage given by: s,up s,dosr100UUUU+= SANS 8528-3:2008This s tandard may only be used and pr
47、inted by approved subscription and freemailing clients of the SABS .ISO 8528-3:2005(E) 4 ISO 2005 All rights reservedTable 1 (continued) Symbol Term Unit Definition Us,doRelated downward range of voltage setting % Downward range of voltage setting expressed as a percentage of the rated voltage given
48、 by: rs,dos,dor100UUUU= Us,upRelated upward range of voltage setting % Upward range of voltage setting, expressed as a percentage of the rated voltage given by: s,up rs,upr100UUUU= UstSteady-state voltage deviation % Change in steady-state voltage for all load changes between no-load and rated outpu
49、t, taking into account the influence of temperature, but not considering the effect of quadrature-current compensation droop. NOTE The initial set voltage is usually the rated voltage, but may be anywhere within the specified range of Us. The steady-state voltage deviation is expressed as a percentage of the rated voltage given by: st,max st,minstr1002UUUU= mod,maxU Maximum peak of voltage modulation % Quasi-periodic maximum voltage variation (peak-to-peak) a
