IEEE 762-2006 en Definitions for Use in Reporting Electric Generating Unit Reliability Availability and Productivity《使用在报告发电机组可靠性、有效性和生产力的定义》.pdf

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1、IEEE Std 762-2006(Revision of IEEE Std 762-1987)IEEE Standard Definitions for Use inReporting Electric Generating UnitR e l i a b i l i t y, Av a i l a b i l i t y, and ProductivityI E E E3 Park Avenue New York, NY10016-5997, USA15 March 2007 IEEE Power Engineering SocietySponsored by thePower Syste

2、m Analysis, Computing, and Economics CommitteeRecognized as an IEEE Std 762-2006(R2012) American National Standard (ANSI) (Revision of IEEE Std 762-1987) IEEE Standard Definitions for Use in Reporting Electric Generating Unit Reliability, Availability, and Productivity Sponsor Power System Analysis,

3、 Computing, and Economics Committee of the IEEE Power Engineering Society Approved 29 December 2006 American National Standards Institute Approved 15 September 2006 Reaffirmed 29 March 2012 IEEE-SA Standards Board Abstract: This standard provides a methodology for the interpretation of electric gene

4、rating unit performance data from various systems and to facilitate comparisons among different systems. It also standardizes terminology and indexes for reporting electric generating unit reliability, availability, and productivity performance measures. This standard is intended to aid the electric

5、 power industry in reporting and evaluating electric generating unit reliability, availability, and productivity while recognizing the power industrys needs, including marketplace competition. Included are equations for equivalent demand forced outage rate (EFORd), newly identified outage states, di

6、scussion of commercial availability, energy weighted equations for group performance indexes, definitions of outside management control (OMC), pooling methodologies, and time-based calculations for group performance indexes. Keywords: available state, EFORd, equivalent demand forced outage rate, for

7、ced outage, maintenance outage, OMC, outside management control, planned outage, pooling methodology, transition between active states, unavailable state, weighted factor _ The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2007 by the I

8、nstitute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 15 March 2007. Printed in the United States of America. IEEE is a registered trademark in the U.S. Patent +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use c

9、an also be obtained through the Copyright Clearance Center. Introduction This introduction is not part of IEEE Std 762-2006, IEEE Standard Definitions for Use in Reporting Electric Generating Unit Reliability, Availability, and Productivity. Measures of generating unit performance have been defined,

10、 recorded, and utilized by the electric power industry for over 60 years. The increased focus on generating unit performance in a competitive marketplace has caused regulatory agencies and the industry to place a greater emphasis on performance measures. This standard was developed in 1987, based on

11、 efforts started in 1980, to provide terminology and indexes for use in existing data systems or in future systems. The focus of this revision is on performance measures to be used in a competitive marketplace. Some indexes are based on period hours. By use of such a common base, simple additive rel

12、ationships between various indexes result, and the use of period hours gives sets of indexes that sum to 100%. Other indexes are not based on period hours. This revision of the standard has included terms for units involved in nonbase load operations. The IEEE 762 Working Group defined sufficient da

13、ta categories (states, times, capacity levels) so that suitable indexes for all types of units can be calculated. It should be noted that even the use of all the indexes and terms cannot identify the underlying and sometimes compelling reasons for lost performance. The IEEE 762 Working Group perform

14、ed an in-depth review of the concept and practices for commercial availability. The working group unanimously agreed that commercial availability should be studied further, but it should not be a part of this standard. It would be best addressed in a new standard. Efforts for developing such a new s

15、tandard were judged to be outside the scope of the working groups charge and responsibility. Notice to users Errata Errata, if any, for this and all other standards can be accessed at the following URL: http:/ standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check t

16、his URL for errata periodically. Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. Patents Attention is called to the possibility that implementation of this standard may require use of subject matter covered by pa

17、tent rights. By publication of this standard, no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE shall not be responsible for identifying iv Copyright 2007 IEEE. All rights reserved. patents or patent applications for which a license

18、 may be required to implement an IEEE standard or for conducting inquiries into the legal validity or scope of those patents that are brought to its attention. Participants This standard was prepared by the IEEE 762 Working Group of the Reliability, Risk, and Probability Applications (RRPA) Subcommi

19、ttee of IEEE Power Engineering Societys Power System Analysis, Computing, and Economics (PSACE) Committee. At the time this standard was completed, the IEEE 762 Working Group had the following membership: Andrew P. Ford, Chair Ronald M. Fluegge, Secretary Murty P. Bhavaraju X. Henry Chao John W. Cha

20、rlton Ali Asraf Chowdhury Christopher R. Cordes G. Michael Curley Clifford H. Grigg James W. Kirby James J. Lofe Pamela A. McPeck Vince Micali Joydeep Mitra Marcus T. Schilling Alexander W. Schneider, Jr. Gary A. Schuck The following members of the individual balloting committee voted on this standa

21、rd. Balloters may have voted for approval, disapproval, or abstention. William J. Ackerman S. K. Aggarwal Adewole C. Akpose Saber AziziGhannad Martin L. Baughman Murty P. Bhavaraju Wallace B. Binder, Jr. John P. Bonner Stuart H. Borlase Steven R. Brockschink Gustavo A. Brunello James S. Case X. Henr

22、y Chao Danila Chernetsov Ali Asraf Chowdhury Donald Chu Stephen P. Conrad Tommy P. Cooper G. Michael Curley Jorge E. Fernandez Daher Bostjan K. Derganc Carlo Donati Randall L. Dotson Neal B. Dowling, Jr. Ernest M. Duckworth, Jr. Gary R. Engmann Ronald M. Fluegge Rabiz N. Foda Andrew P. Ford Shawn M.

23、 Galbraith Clifford H. Grigg Randall C. Groves James H. Gurney Gary A. Heuston Farshad J. Hormozi David A. Horvath Dennis Horwitz Arshad Hussain David W. Jackson Jose A. Jarque James W. Kirby Jim Kulchisky Saumen K. Kundu John G. Lackey Roger G. Lawrence Solomon Lee Yeou Song Lee William Lumpkins G.

24、 L. Luri Faramarz Maghsoodlou James D. McCalley Mark F. McGranaghan Gary L. Michel Joydeep Mitra Karl N. Mortensen Glenn A. Mottershead Michael S. Newman Lorraine K. Padden Joshua S. Park Howard W. Penrose Ted Riccio Michael A. Roberts Charles W. Rogers Alexander W. Schneider, Jr. Gary A. Schuck Cha

25、rles E. Simmons David Singleton John H. Spare Brandon S. Swartley James E. Timperley Michael S. Tucker Joe D. Watson Luis E. Zambrano Ahmed F. Zobaa v Copyright 2007 IEEE. All rights reserved. When the IEEE Standards Board approved this standard on 15 September 2006, it had the following membership:

26、 Steve M. Mills, Chair Don Wright, Past Chair Richard H. Hulett, Vice Chair Judith Gorman, Secretary Mark D. Bowman Dennis B. Brophy Joseph Bruder Richard Cox Bob Davis Julian Forster* Joanna N. Guenin Mark S. Halpin Raymond Hapeman William B. Hopf Lowell G. Johnson Herman Koch Joseph L. Koepfinger*

27、 David J. Law Daleep C. Mohla Paul Nikolich T. W. Olsen Glenn Parsons Ronald C. Petersen Gary S. Robinson Frank Stone Malcolm V. Thaden Richard L. Townsend Joe D. Watson Howard L. Wolfman *Member emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Satish K. Aggarwal,

28、 NRC Representative Richard DeBlasio, DOE Representative Alan H. Cookson, NIST Representative Jennie Steinhagen IEEE Standards Program Manager, Document Development Matthew Ceglia IEEE Standards Program Manager, Technical Program Development vi Copyright 2007 IEEE. All rights reserved. CONTENTS 1. O

29、verview 1 1.1 Scope . 2 1.2 Purpose 2 2. Normative references 2 3. Definitions 3 4. Unit states. 8 4.1 Active 8 4.2 Deactivated shutdown 11 5. Capacity terms 13 5.1 Maximum capacity (MC) 13 5.2 Dependable capacity 14 5.3 Available capacity . 14 5.4 Seasonal derating. 14 5.5 Unit derating 14 5.6 Plan

30、ned derating 14 5.7 Unplanned derating 14 5.8 Installed nameplate capacity 15 6. Time designations and dates. 16 6.1 Total hours (TH) 16 6.2 Period hours (PH) or active hours (ACTH) . 16 6.3 Deactivated shutdown hours (DSH) 17 6.4 Available hours (AH) 17 6.5 Service hours (SH). 17 6.6 Reserve shutdo

31、wn hours (RSH). 17 6.7 Unavailable hours (UH). 17 6.8 Planned outage hours (POH) . 18 6.9 Unplanned outage hours (UOH) 18 6.10 Forced outage hours (FOH) . 18 6.11 Maintenance outage hours (MOH) 20 6.12 Unit derated hours (UNDH) 20 6.13 Planned derated hours (PDH) 20 6.14 Unplanned derated hours (UDH

32、). 21 6.15 Forced derated hours (FDH) 21 6.16 Maintenance derated hours (MDH) . 22 6.17 Seasonal derated hours (SDH). 22 6.18 Equivalent hours (E) 22 6.19 Service date (SD). 25 6.20 Deactivation date . 25 6.21 Reactivation date . 25 7. Energy terms. 26 7.1 Actual generation (AAG) 26 7.2 Maximum gene

33、ration (MG). 26 7.3 Available generation (AG) 26 7.4 Unavailable generation (UG). 26 7.5 Seasonal unavailable generation (SUG) 27 vii Copyright 2007 IEEE. All rights reserved. 7.6 Reserve generation (RG) . 27 7.7 Derated generation (DG) . 27 8. Performance indexes of an individual unit. 28 8.1 Plann

34、ed outage factor (POF) . 28 8.2 Unplanned outage factor (UOF) 28 8.3 Forced outage factor (FOF) . 28 8.4 Maintenance outage factor (MOF) 28 8.5 Unavailability factor (UF) . 28 8.6 Availability factor (AF) . 28 8.7 Service factor (SF). 29 8.8 Seasonal derating factor (SDF) 29 8.9 Unit derating factor

35、 (UDF) 29 8.10 Equivalent unavailability factor (EUF) 29 8.11 Equivalent availability factor (EAF) 29 8.12 Gross capacity factor (GCF) 30 8.13 Net capacity factor (NCF) . 30 8.14 Gross output factor (GOF). 30 8.15 Net output factor (NOF) 30 8.16 Forced outage rate (FOR) 30 8.17 Equivalent forced out

36、age rate (EFOR) 31 8.18 Equivalent planned outage factor (EPOF) . 33 8.19 Equivalent unplanned outage factor (EUOF) 33 8.20 Equivalent forced outage factor (EFOF) 33 8.21 Equivalent maintenance outage factor (EMOF) 33 8.22 Mean service time to outage 33 8.23 Mean outage duration 34 8.24 Starting rel

37、iability (SR) 34 8.25 Cycling rate (CR) or average run time (ART) . 34 9. Unweighted (time-based) calculations for group performance indexes . 35 9.1 Planned outage factor (POF) . 35 9.2 Unplanned outage factor (UOF) 35 9.3 Forced outage factor (FOF) . 35 9.4 Maintenance outage factor (MOF) 36 9.5 U

38、navailability factor (UF) . 36 9.6 Availability factor (AF) . 36 9.7 Service factor (SF). 36 9.8 Seasonal derating factor (SDF) 36 9.9 Unit derating factor (UDF) 36 9.10 Equivalent unavailability factor (EUF) 37 9.11 Equivalent availability factor (EAF) 37 9.12 Gross capacity factor (GCF) 37 9.13 Ne

39、t capacity factor (NCF) . 37 9.14 Gross output factor (GOF). 37 9.15 Net output factor (NOF) 38 9.16 Forced outage rate (FOR) 38 9.17 Equivalent forced outage rate (EFOR) 38 9.18 Equivalent planned outage factor (EPOF) . 39 9.19 Equivalent unplanned outage factor (EUOF) 39 9.20 Equivalent forced out

40、age factor (EFOF) 39 9.21 Equivalent maintenance outage factor (EMOF) 39 9.22 Starting reliability (SR) 40 9.23 Cycling rate (CR) or average run time (ART) . 40 viii Copyright 2007 IEEE. All rights reserved. 10. Capacity-weighted calculations for group performance indexes 41 10.1 Weighted planned ou

41、tage factor (WPOF) 41 10.2 Weighted unplanned outage factor (WUOF). 41 10.3 Weighted forced outage factor (WFOF) 41 10.4 Weighted maintenance outage factor (WMOF). 42 10.5 Weighted unavailability factor (WUF) 42 10.6 Weighted availability factor (WAF) 42 10.7 Weighted service factor (WSF) . 42 10.8

42、Weighted seasonal derating factor (WSDF) 42 10.9 Weighted unit derating factor (WUDF). 42 10.10 Weighted equivalent unavailability factor (WEUF) 43 10.11 Weighted equivalent availability factor (WEAF) 43 10.12 Gross capacity factor (GCF) 43 10.13 Net capacity factor (NCF) . 43 10.14 Gross output fac

43、tor (GOF). 43 10.15 Net output factor (NOF) 44 10.16 Weighted forced outage rate (WFOR). 44 10.17 Weighted equivalent forced outage rate (WEFOR). 44 10.18 Weighted equivalent planned outage factor (WEPOF) 45 10.19 Weighted equivalent unplanned outage factor (WEUOF). 45 10.20 Weighted equivalent forc

44、ed outage factor (WEFOF) 45 10.21 Weighted equivalent maintenance outage factor (WEMOF). 46 Annex A (informative) Correlation between unit state and capacity derating definitions 47 Annex B (informative) Transitions between active states 48 Annex C (informative) Relationships between period-hour-bas

45、ed performance indexes 50 Annex D (informative) Outside plant management control . 54 Annex E (informative) Glossary of terms and abbreviations .56 Annex F (informative) Pooling methodologies for EFORd59 F.1 Unweighted pooling 59 F.2 Capacity-weighted pooling 62 Annex G (informative) Limiting condit

46、ions for forced outage indexes . 65 Annex H (informative) Bibliography . 66 ix Copyright 2007 IEEE. All rights reserved. IEEE Standard Definitions for Use in Reporting Electric Generating Unit Reliability, Availability, and Productivity 1. Overview Although a generating unit generally includes all e

47、quipment from the fuel supply system up to the high-voltage terminals of the generator step-up transformer and the station service transformers, any event preventing the ability of the generating unit to produce electricity at its maximum capacity is covered in the scope of this standard. Sometimes,

48、 the generating unit cannot provide the power required to the customer because of problems not related to the power plant equipment. Some examples of these “external events” are transmission system failures, labor strikes, and catastrophic storms. NOTESee Annex D for a discussion on these external e

49、vents.1Reliability in this standard encompasses measures of the ability of generating units to perform their intended function. Availability measures are concerned with the fraction of time in which a unit is capable of providing service and accounts for outage frequency and duration. Productivity measures are concerned with the total power produced by a plant with respect to its potential power production. A plant could comprise a unit or a number of units. Therefore, productivity measures consider magnitude of event as well as frequency and du