1、Performance Test CodesAN AMERICAN NATIO NAL STANDAR DSteam TurbinesASME PTC 6-2004(Revision of ASME PTC 6-1996)Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncon
2、trolled when printed.ASME PTC 6-2004(Revision of ASME PTC 6-1996)Steam TurbinesPerformance Test CodesThree Park Avenue New York,NY 10016AN AMERICAN NATIONAL STANDARDCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No f
3、urther reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:October 31,2005This Code will be revised when the Society approves the issuance of a new edition.There will be noaddenda issued to ASME PTC 6-2004.ASME issues written replies to inquiries as code cases and in
4、terpretations of technical aspects of thisdocument.Code cases and interpretations are published on the ASME Web site under the CommitteePages at http:/www.asme.org/codes/as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was deve
5、loped under procedures accredited as meeting the criteria for American National Stan-dards.The Standards Committee that approved the code or standard was balanced to assure that individuals from com-petent and concerned interests have had an opportunity to participate.The proposed code or standard w
6、as made avail-able for public review and comment that provides an opportunity for additional public input from industry,academia,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 w
7、ith respect to the validity of any patent rights asserted in connection with any itemsmentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringe-ment of any applicable letters patent,nor assumes any such liability.Users of a code or standar
8、d are expressly advisedthat determination of the validity of any such patent rights,and the risk of infringement of such rights,is entirely theirown responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as gov-ernment or industr
9、y endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document 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 fo
10、rm,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2005 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted mat
11、erial licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSNotice .viiForeword.viiiCommitee Roster.xCorrespondence With the PTC 6 Committee .xiiSection 1 Ob
12、ject and Scope .11-1Object.11-2Scope .11-3Full-Scale and Alternative Tests.11-4Conformance to Code .21-5Additional Requirements and References .2Section 2 Definitions and Description of Terms .32-1Symbols .32-2Abbreviations.32-3Subscripts.42-4Definitions .62-5Table for Conversion to SI Units .6Secti
13、on 3 Guiding Principles .73-1Planning for Test .73-2Items on Which Agreement Shall be Reached.73-3Timing of Acceptance Test.83-4General Test Requirements .93-5Isolation of the Cycle .103-6Location of Turbine Valve Points .113-7Number of Test Runs.123-8Testing Conditions.123-9Frequency of Observation
14、s and Duration of Test Runs.143-10Calibration of Instruments.153-11Steam Pressure and Temperature Measurements .173-12Corrections.173-13Methods of Comparing Test Results .173-14Tolerances .19Section 4 Instruments and Methods of Measurement .204-1General.204-2Measurement of Mechanical Output .214-3Me
15、asurement of Feedwater Pump Power .224-4Measurement of Electrical Power .244-5A-C Generator Test Instruments .274-6D-C Generator Test Instruments .284-7Calibration of Electrical Instruments .294-8Primary Flow Measurement .294-9Installation of Flow Section .384-10Flow Characteristics.454-11Other Flow
16、-Measuring Devices .454-12Measurement of Steam Flow .454-13Measurement of Water Flow Using Tanks .454-14Differential-Pressure Measurements .464-15Enthalpy-Drop Method for Steam-Flow Determination .48iiiCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.4-16Additional Flow Measurements.494-17Measurement of Pressure.514-18Measurement of Temp
