1、REVISED JULY 2014CAN/CSA-C802.4-13National Standard of Canada(approved July 2014)Guide for kVA sizingof dry-typetransformers,1.2 kV class, single-phaseand three-phaseLegalNotice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards de
2、velopment process approvedby the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and interests to achieve consensusand develop a standard. Although CSA Group administers the process and establishes rules to promote fairness in achieving consensus,i
3、t doesnot independently test, evaluate, or verify the content of standards.Disclaimerand exclusion of liabilityThis document is provided without any representations, warranties, or conditions of any kind, express or implied, including, without limitation,implied warranties or conditions concerning t
4、his documents fitness for a particularpurpose or use, its merchantability, or its non-infringementof any third partys intellectual property rights. CSA Group does not warrant the accuracy, completeness, or currency of any of the informationpublished in this document. CSA Group makes no representatio
5、ns or warranties regarding this documents compliancewith any applicablestatute, rule, or regulation.IN NO EVENT SHALL CSA GROUP, ITS VOLUNTEERS, MEMBERS, SUBSIDIARIES, OR AFFILIATED COMPANIES, OR THEIR EMPLOYEES, DIRECTORS, OROFFICERS, BE LIABLE FOR ANY DIRECT, INDIRECT, OR INCIDENTAL DAMAGES, INJUR
6、Y, LOSS, COSTS, OR EXPENSES,HOWSOEVER CAUSED,INCLUDING BUT NOT LIMITED TO SPECIAL OR CONSEQUENTIAL DAMAGES, LOST REVENUE,BUSINESS INTERRUPTION, LOST OR DAMAGED DATA,OR ANY OTHER COMMERCIAL OR ECONOMIC LOSS,WHETHERBASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER THEORY OFLIABILITY, ARISIN
7、G OUT OF OR RESULTING FROM ACCESS TO OR POSSESSION OR USE OF THIS DOCUMENT, EVEN IF CSA GROUP HAS BEENADVISED OF THE POSSIBILITY OF SUCH DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES.In publishing and making this document available, CSA Group is not undertaking to render professional or other servicesfo
8、r or on behalf of anyperson or entity or to perform any duty owed by any person or entity to another person or entity. The information in this document is directedto those who have the appropriate degree of experience to use and apply its contents, and CSA Group accepts no responsibility whatsoevera
9、rising in any way from any and all use of or reliance on the information contained in this document.CSA Group is a private not-for-profit company that publishes voluntary standards and related documents. CSA Group has no power, nor does itundertake, to enforce compliancewith the contents of the stan
10、dards or other documents it publishes.Intellectualpropertyrights and ownershipAs between CSA Group and the users of this document (whether it be in printed or electronic form), CSA Group is the owner, or the authorizedlicensee,of all works contained herein that are protected by copyright, all trade-
11、marks (except as otherwisenoted to the contrary), and allinventions and trade secrets that may be contained in this document, whether or not such inventions and trade secrets are protected by patentsand applications for patents. Without limitation, the unauthorized use, modification,copying, or disc
12、losure of this document may violate lawsthat protect CSA Groups and/or others intellectual property and may give rise to a right in CSA Group and/or others to seek legal redress forsuch use, modification,copying, or disclosure. To the extent permitted by licence or by law, CSA Group reserves all int
13、ellectual property rights inthis document.Patent rightsAttention is drawn to the possibility that some of the elements of this standard may be the subject of patent rights. CSA Group shall not be heldresponsible for identifying any or all such patent rights. Users of this standard are expressly advi
14、sed that determination of the validity of any suchpatent rights is entirely their own responsibility.Authorizeduse of this documentThis document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authorized to doonly the following:If this docum
15、ent is in electronic form: load this document onto a computer for the sole purpose of reviewing it; search and browse this document; and print this document if it is in PDF format.Limited copies of this document in print or paper form may be distributed only to persons who are authorized by CSA Grou
16、p to have such copies,and only if this Legal Notice appears on each such copy.In addition, users may not and may not permit others to alter this document in any way or remove this Legal Notice from the attached standard; sell this document without authorization from CSA Group; or make an electronic
17、copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make anycopies of the contents hereof, and if you do make such copies, you are required to destroy them immediately. Use of this document constitute
18、syour acceptanceof the terms and conditions of this Legal Notice.Revision HistoryC802.4-13,Guide for kVA sizingof dry-typetransformers,1.2 kV class,single-phaseand three-phaseNationalStandard of Canada JULY 2014Outside front cover, National Standard of Canada text, title page, and preface.Standards
19、UpdateServiceCAN/CSA-C802.4-13September 2013Title: Guide for kVA sizing of dry-typetransformers, 1.2 kV class, single-phaseand three-phaseTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register
20、for updates to this publication is 2422434.If you require assistance, please e-mail techsupportcsagroup.org or call 416-747-2233.Visit CSA Groups policy on privacy at csagroup.org/legalto find out how we protect your personalinformation.CanadianStandards Association (operating as “CSA Group”), under
21、whose auspicesthis National Standard has been produced, waschartered in 1919 and accredited by the Standards Council of Canadato the National Standards system in 1973. It is a not-for-profit,nonstatutory, voluntary membership associationengaged instandards development and certification activities.CS
22、A Group standards reflect a national consensus of producers andusers including manufacturers, consumers, retailers, unions andprofessional organizations, and governmental agencies. Thestandards are used widely by industry and commerce and oftenadopted by municipal, provincial, and federal government
23、s in theirregulations, particularlyin the fields of health, safety, building andconstruction, and the environment.Individuals,companies, and associationsacross Canada indicate theirsupport for CSA Groups standards development by volunteeringtheir time and skills to Committee work and supporting CSA
24、Groupsobjectivesthrough sustaining memberships. The more than 7000committee volunteers and the 2000 sustaining membershipstogether form CSA Groups total membership from which itsDirectors are chosen. Sustaining memberships represent a majorsource of income for CSA Groups standards development activi
25、ties.CSA Group offers certification and testing servicesin support of andas an extension to its standards development activities. To ensurethe integrity of its certification process, CSA Group regularly andcontinually audits and inspects products that bear theCSA Group Mark.In addition to its head o
26、ffice and laboratory complex in Toronto, CSAGroup has regional branch offices in major centres across Canadaand inspection and testing agencies in eight countries. Since 1919,CSA Group has developed the necessaryexpertise to meet itscorporate mission: CSA Group is an independent service organization
27、whose mission is to provide an open and effective forum foractivities facilitating the exchange of goods and servicesthrough theuse of standards, certification and related servicesto meet nationaland international needs.For further information on CSA Group services,write toCSA Group5060 Spectrum Way
28、, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada (SCC) is the coordinating body ofthe Canadian standardization network, which is composed of peopleand organizations involved in the development,promotion andimplementation of standards. Through the collaborative efforts of
29、Canadian standardization network members, standardization ishelping to advance the social and economic well-being of Canada andto safeguard the health and safety of Canadians.The networksefforts are overseen by SCC.The principal objectives of SCC are to foster and promote voluntarystandardization as
30、 a means of advancing the national economy,supporting sustainable development,benefiting the health, safetyand welfare of workers and the public, assisting and protecting theconsumer, facilitating domestic and international trade, andfurthering international cooperation in relation to standardizatio
31、n.An important facet of the Canadian standards development system isthe use of the following principles: consensus;equal access andeffective participationby concerned interests; respect for diverseinterests and identification of those who should be afforded accessto provide the needed balance of int
32、erests; mechanismfor disputeresolution; opennessand transparency;open access by interestedparties to the procedures guiding the standards developmentprocess; clarity with respect to the processes; and Canadian interestconsideration as the initial basis for the development of standards.A National Sta
33、ndard of Canada (NSC) is a standard prepared orreviewed by an SCC-accredited SDO and approved by the SCCaccording to NSC approval requirements. Approval does not refer tothe technical content of the standard, as this remains theresponsibility of the SDO. An NSC reflects a consensus of a number ofcap
34、able individuals whose collective interests provide, to the greatestpracticable extent, a balance of representation of general interests,producers, regulators, users (including consumers) and others withrelevant interests, as may be appropriate to the subject at hand.NSCs are intended to make a sign
35、ificant and timely contribution tothe Canadian interest.Those who have a need to apply standards are encouraged to useNSCs. These standards are subjectto periodic review. Users of NSCsare cautioned to obtain the latest edition from the SDO thatpublishes the standard.The responsibility for approving
36、standards as NSCs rests withStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaCette Norme Nationale du Canada est disponible en versions franaise et anglaise.Although the intended primaryapplication of this Standard is stated in its Scope, it is important to note t
37、hat it remainsthe responsibility of theusers to judge its suitability for their particular purpose.TMA trade-mark of the Canadian Standards Association, operating as “CSA Group”ICS 29.180ISBN 978-1-77139-193-1 2013 CSA GroupAll rights reserved.No part of this publication may be reproduced in any for
38、m whatsoever withoutthe prior permission of the publisher.Published in September 2013 by CSA GroupA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6To purchase standards and related publications, visit our Online Store at shop.csa.caor call
39、 toll-free 1-800-463-6727 or 416-747-4044.TMA trade-mar k of the Canadian S tandards Association,operating as “CSA Group”Prepared byApproved byGuide for kVA sizing of dry-typetransformers,1.2 kV class, single-phase and three-phaseCAN/CSA-C802.4-13(approved July 2014)National Standard of CanadaCAN/CS
40、A-C802.4-13Guide for kVA sizing of dry-typetransformers, 1.2 kV class,single-phaseand three-phaseSeptember 2013 2013 CSA Group 1ContentsTechnical Committee on Industrial Equipment 2Subcommittee on Dry Type Transformers Efficiency 4Preface 60 Introduction 71 Scope 72 Reference publications 83 Definit
41、ions 84 Load duration curve (LDC) 95 Application of the load duration curve 96 Selecting the kVA Size 127 Conclusions 20Annex A (informative) Review of existing publications 21Annex B (informative) Application of load duration curve 26Annex C (informative) Future increases in efficiency 28Annex D (i
42、nformative) General discussion on transformer efficiency 29Annex E (Informative) Load duration curves 31Annex F (Informative) Example analysis using actual data 36Annex G (Informative) Bibliography 44CAN/CSA-C802.4-13Guide for kVA sizing of dry-typetransformers, 1.2 kV class,single-phaseand three-ph
43、aseSeptember 2013 2013 CSA Group 2Technical Committee on IndustrialEquipmentD.R. Friesen Manitoba Hydro,Winnipeg, ManitobaRepresenting User Interest/Regulatory AuthorityChairD.A. Wiegand Transformer Engineering Services,London, OntarioRepresenting General InterestVice-ChairT. Brennan Natural Resourc
44、es Canada,Ottawa, OntarioRepresenting User Interest/Regulatory AuthorityW.J. Bryans Electro-Federation Canada,Toronto, OntarioRepresenting Producer InterestC. Cheng Ontario Ministry of Energy,Toronto, OntarioAssociateA.J. Cordova V.J. Pamensky Canada Incorporated,Toronto, OntarioRepresenting Produce
45、r InterestR.P. de Lhorbe Schneider Electric Canada, Inc.,Richmond, British ColumbiaRepresenting Producer InterestD.E. Delaney RBC Manufacturing Corporation,Fort Wayne, Indiana, USARepresenting Producer InterestP.S. dos Santos WEG Equipamentos Eletricos S.A.,Jaragua Do Sul, BrazilAssociateK.C. Elsey
46、Ken Elsey Consulting,Severn Bridge, OntarioAssociateE. Grzesik Mississauga, OntarioRepresenting General InterestCAN/CSA-C802.4-13Guide for kVA sizing of dry-typetransformers, 1.2 kV class,single-phaseand three-phaseSeptember 2013 2013 CSA Group 3G.D. Henriques Henriques Consulting,Richmond, British
47、ColumbiaAssociateS. Krsikapa Ontario Ministry of Energy,Toronto, OntarioRepresenting User Interest/Regulatory AuthorityR. Marshall Manitoba Hydro,Winnipeg, ManitobaAssociateM. McInnis Mervyn McInnis b) provide an explanation of circumstances surrounding the actual field condition; andc) where possib
48、le, phrase the request in such a way that a specific “yes” or “no” answer will address theissue.Committee interpretations are processed in accordance with the CSA Directives and guidelines governingstandardization and are available on the Current Standards Activities page at standardsactivities.csa.
49、ca.5) This Standard is subject to review five years after the date of publication, and suggestions for its improvementwill be referred to the appropriate committee. To submit a proposal for change, please send the followinginformation to inquiriescsagroup.org and include “Proposal for change” in the subject line:a) Standard designation (number);b) relevant clause,table, and/or figure number;c) wording of the proposed change; andd) rationale for the change.CAN/CSA-C802.4-13Guide for kVA sizing of dry-typetransformers, 1.2 kV class,single-phaseand t
