ANSI ASME PTC 70-2009 Ramp Rates.pdf
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1、AN AMERICAN NATIONAL STANDARDASME PTC 70-2009Ramp RatesPerformance Test CodesIntentionally left blank ASME PTC 70-2009Ramp RatesPerformance Test CodesAN AMERICAN NATIONAL STANDARDDate of Issuance: April 15, 2009This Code will be revised when the Society approves the issuance of a new edition. There
2、will be noaddenda issued to ASME PTC 70-2009.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Code.Periodically certain actions of the ASME PTC Committee may be published as Code Cases.Code Cases and interpretations are published on the ASME Web site u
3、nder the Committee Pages athttp:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards. The Standards Committee that a
4、pproved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional public input from industry, aca
5、demia,regulatory agencies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,
6、and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of infringement
7、 of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this docum
8、ent issued in accordance with the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The Am
9、erican Society of Mechanical EngineersThree Park Avenue, New York, NY 10016-5990Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSNotice. ivForeword vCommittee Roster . viCorrespondence With the PTC Committee viiSection 1 Object and Scope . 11-1
10、 Object . 11-2 Scope 11-3 Expected Measurement Uncertainty 1Section 2 Terms and Definitions . 2Section 3 Guiding Principles. 43-1 Object of Test 43-2 Preparations for Testing 43-3 Tests . 53-4 Instrumentation 53-5 Operating Conditions 63-6 Records 6Section 4 Instrumentation and Methods of Measuremen
11、t 74-1 Instrumentation Requirements 74-2 Test Methodology 7Section 5 Computation of Results 95-1 Reported Ramp Rate . 95-2 Determination of Ramp Rate . 95-3 Data Reduction and Traceability 95-4 Graphical Presentation . 9Section 6 Test Uncertainty. 106-1 Pretest Uncertainty Analysis . 106-2 Post-Test
12、 Uncertainty Analysis . 106-3 Calculating Ramp Rate Uncertainty 10Section 7 Reporting of Results. 117-1 Test Report Contents . 11Nonmandatory AppendicesA Sample Uncertainty Calculation 13B Sample Ramp Rate Data and Calculation . 15iiiNOTICEAll Performance Test Codes must adhere to the requirements o
13、f ASME PTC 1, GeneralInstructions. The following information is based on that document and is included here foremphasis and for the convenience of the user of the Code. It is expected that the Code user isfully cognizant of Sections 1 and 3 of ASME PTC 1 and has read them prior to applying thisCode.
14、ASME Performance Test Codes provide test procedures that yield results of the highest levelof accuracy consistent with the best engineering knowledge and practice currently available.They were developed by balanced committees representing all concerned interests and specifyprocedures,instrumentation
15、,equipment-operatingrequirements,calculationmethods,anduncer-tainty analysis.When tests are run in accordance with a Code, the test results themselves, without adjustmentfor uncertainty, yield the best available indication of the actual performance of the tested equip-ment. ASME Performance Test Cod
16、es do not specify meansto compare those results to contractualguarantees.Therefore,itisrecommendedthatthepartiestoacommercialtestagreebeforestartingthe test and preferably before signing the contract on the method to be used for comparing thetest results to the contractual guarantees. It is beyond t
17、he scope of any Code to determine orinterpret how such comparisons shall be made.ivFOREWORDThe PTC Standards Committee approved the development of a test code on ramp rates. DuringtheirJune2007meeting,aproposedCharterwasapproved,andtheefforttoconstituteacommitteewas undertaken. An organizational mee
18、ting (via teleconferencing) was held in September 2007.After several teleconferences, a document was completed for industry review by the end ofMarch 2008.This Code was approved as a Standard practice of the Society by action of the Board onStandardization and Testing on December 8, 2008. It was als
19、o approved as an American NationalStandard by the ANSI Board of Standards Review on February 2, 2009.vASME PTC COMMITTEEPerformance Test Codes(The following is the roster of the Committee at the time of approval of this Code.)STANDARDS COMMITTEE OFFICERSM. P. McHale, ChairJ. R. Friedman, Vice ChairJ
20、. H. Karian, SecretarySTANDARDS COMMITTEE PERSONNELP. G. Albert, General Electric Co.R. P. Allen, ConsultantJ. M. Burns, Burns EngineeringW. C. Campbell, Southern Company ServicesM. J. Dooley, Alstom PowerJ. R. Friedman, Siemens Power Generation, Inc.G. J. Gerber, ConsultantP. M. Gerhart, University
21、 of EvansvilleT. C. Heil, The Babcock however, they shouldnot contain proprietary names or information.Requests that are not in this format will be rewritten in this format by the Committee prior tobeing answered, which may inadvertently change the intent of the original request.ASME procedures prov
22、ide for reconsideration of any interpretation when or if additionalinformation that might affect an interpretation is available. Further, persons aggrieved by aninterpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not“approve,” “certify,” “rate,” or “endorse” any item
23、, construction, proprietary device, or activity.Attending Committee Meetings. The PTC Standards Committee regularly holds meetings,which are open to the public. Persons wishing to attend any meeting should contact the Secretaryof the PTC Standards Committee.viiIntentionally left blank ASME PTC 70-20
24、09RAMP RATESSection 1Object and Scope1-1 OBJECTThis Code provides the procedures, direction, andguidance for the accurate determination, via testing, ofthemaximumrepeatableloadchangeramprate,startupload change rate, or shutdown load change rate of apower plant. The load change rate is distinguished
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