IEEE 762 1987
$50.92
IEEE Standard Definitions for Use in Reporting Electric Generating Unit Reliability, Availability, and Productivity
| Published By | Publication Date | Number of Pages |
| IEEE | 1987 | 30 |
Revision Standard – Inactive – Superseded. Purpose: This standard is intended to aid the electric power industry in reporting and evaluating electric generating unit reliability, availability, and productivity. It was developed to overcome present difficulties in the interpretation of electric generating unit performance data from various systems and to facilitate comparisons among different systems. The standard should also make possible the future exchange o meaningful data among systems in North America and throughout the world. Scope: This document standardizes terminology and indexes for reporting electric generating unit reliability, availability, and productivity performance measures. A generating unit includes all equipment up to the high-voltage terminal of the generator step-up transformer. Reliability 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 a unit is capable of providing service, and account for outage frequency and duration. Productivity measures are concerned with the total power produced by a plant with respect to its potential power production. Therefore, productivity measures consider magnitude of outage as well as frequency and duration of outage. NOTE This standard was developed for application at the unit level; the definitions are applicable below the unit level in most cases. There are some exceptions, however, such as the definition of in service, which applies only at the unit level. Because of these exceptions, care should be taken when using this standard below the unit level.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Foreword |
| 5 | Contents |
| 7 | 1. Purpose 2. Scope 3. Unit States |
| 8 | 3.1 Active |
| 11 | 3.2 Deactivated Shutdown 4. Capacity Terms 4.1 Maximum Capacity (MC) 4.2 Dependable Capacity |
| 12 | 4.3 Available Capacity 4.4 Seasonal Derating 4.5 Unit Derating 4.6 Planned Derating 4.7 Unplanned Derating 4.8 Installed Nameplate Capacity |
| 13 | 5. Time Designations and Dates 5.1 Available Hours (AH) 5.2 Service Hours (SH) 5.3 Reserve Shutdown Hours (RSH) 5.4 Unavailable Hours (UH) 5.5 Planned Outage Hours (POH) |
| 14 | 5.6 Unplanned Outage Hours (UOH) 5.7 Forced Outage Hours (FOH) 5.8 Maintenance Outage Hours (MOH) 5.9 Deactivated Shutdown Hours (DSH) 5.10 Period Hours (PH) 5.11 Unit Derated Hours (UNDH) 5.12 Planned Derated Hours (PDH) 5.13 Unplanned Derated Hours (UDH) |
| 15 | 5.14 Forced Derated Hours (FDH) 5.15 Maintenance Derated Hours (MDH) 5.16 Seasonal Derated Hours (SDH) 5.17 Equivalent Hours (E) |
| 16 | 5.18 Deactivation Date 5.19 Reactivation Date 6. Energy Terms 6.1 Actual Generation (AAG) 6.2 Maximum Generation (MG) 6.3 Available Generation (AG) 6.4 Unavailable Generation (UG) |
| 17 | 6.5 Seasonal Unavailable Generation (SUG) 6.6 Reserve Generation (RG) 6.7 Derated Generation (DG) 7. Performance Indexes 7.1 Planned Outage Factor (POF) 7.2 Unplanned Outage Factor (UOF) 7.3 Forced Outage Factor (FOF) |
| 18 | 7.4 Maintenance Outage Factor (MOF) 7.5 Unavailability Factor (UF) 7.6 Availability Factor (AF) 7.7 Service Factor (SF) 7.8 Seasonal Derating Factor (SDF) 7.9 Unit Derating Factor (UDF) |
| 19 | 7.10 Equivalent Unavailability Factor (EUF) 7.11 Equivalent Availability Factor (EAF) 7.12 Gross Capacity Factor (GCF) 7.13 Net Capacity Factor (NCF) |
| 20 | 7.14 Gross Output Factor (GOF) 7.15 Net Output Factor (NOF) 7.16 Forced Outage Rate (FOR) 7.17 Equivalent Forced Outage Rate (EFOR) 7.18 Mean Service Time to Outage |
| 21 | 7.19 Mean Outage Duration 7.20 Starting Reliability (SR) 7.21 Cycling Rate (CR) |
| 22 | Annex A Correlation Between Unit State and Capacity Derating Definitions in This Standard and Tho… |
| 23 | Annex B Transitions Between States |
| 25 | Annex C Relationships Between Period-Hour-Based Performance Indexes |
| 29 | Annex D Glossary of Terms and Abbreviations |
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