Maintenance Scheduling for Electrical Equipment

1 Facilities Instructions, Standards, and Techniques Volume 4-1B Maintenance Scheduling for Electrical Equipment Department of the Interior Bureau of Reclamation Denver, Colorado January 2012 REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing this collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to Department of Defense, Washington Headquarters Services, Directorate for Information Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number.

2 PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. 1. REPORT DATE (DD-MM-YYYY)January 17, 2012 2. REPORT TYPEF inal 3. DATES COVERED (From - To)Implementation Date: January 1, 2013 FIST 4-1B, Maintenance Scheduling for Electrical Equipment 4. TITLE AND SUBTITLE 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) Bureau of Reclamation Hydropower Technical Services Group Mail Code 86-68440 Denver, Colorado 5d. PROJECT NUMBER 5e. TASK NUMBER 5f. WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) Hydropower Technical Services Group, Bureau of Reclamation Denver Federal Center Box 25007 Denver CO 80225-0007 8. PERFORMING ORGANIZATION REPORT NUMBER FIST 4-1B 9. SPONSORING / MONITORING AGENCY NAME(S) AND ADDRESS(ES) Power Resources Office Bureau of Reclamation Mail Code 86-61600 PO Box 25007 Denver CO 80225-0007 10. SPONSOR/MONITOR S ACRONYM(S) DIBR 11. SPONSOR/MONITOR S REPORT NUMBER(S) 12.

3 DISTRIBUTION / AVAILABILITY STATEMENT Available from the National Technical Information Service, Operations Division, 5285 Port Royal Road, Springfield, Virginia 22161 13. SUPPLEMENTARY NOTES 14. ABSTRACT This document establishes minimum recommended practices for Maintenance of Electrical Equipment in Bureau of Reclamation hydroelectric power and large pumping plants. Included in this document are recommended Maintenance activities, Maintenance intervals, and references. 15. SUBJECT TERMS Electrical Equipment , Maintenance Scheduling , Maintenance , annunciators and alarms, arresters, batteries, bushings, buswork, enclosures, insulators, power cables, circuit breakers, carbon dioxide systems, coupling capacitors, overhead cranes, hoists, elevators, emergency lighting, governors, motors, relays, generators 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT UL 18. NUMBER OF PAGES 67 19a. NAME OF RESPONSIBLE PERSONP ower Resources Office a.

4 REPORT UL b. ABSTRACT UL c. THIS PAGE UL 19b. TELEPHONE NUMBER (include area code) (303) 445-2922 Standard Form 298 (Rev. 8/98) Prescribed by ANSI Std. 239-18 Facilities, Instructions, Standards, and Techniques Volume 4-1B Maintenance Scheduling for Electrical Equipment Hydroelectric Research and Technical Services Group Department of the Interior Bureau of Reclamation Denver, Colorado January 2012 Disclaimer This written material consists of general information for internal use only by Bureau of Reclamation operations and Maintenance staff. Information contained in this document regarding commercial products or firms may not be used for advertising or promotional purposes and is not to be construed as an endorsement or deprecation of any product or firm by the Bureau of Reclamation. Maintenance Scheduling for Electrical Equipment iii Acronyms and Abbreviations ac alternating current AVR automatic voltage regulator CARMA Capital Asset and Resource Management Application CCVT coupling capacitor/voltage transformer CO2 carbon dioxide dc direct current DGA dissolved gas analysis EHV extra high voltage EPSS emergency power standby systems FIST Facilities Instructions, Standards.

5 And Techniques GSU generator step-up HECP Hazardous Energy Control Program hp horsepower HVDC high voltage direct current hipot high potential tests IR infrared kV kilovolt kVA kilovoltampere O&M operations and Maintenance PEB Power Equipment Bulletin PI Polarization Index PO&M Power Operation and Maintenance PPE personal protective Equipment PSS power system stabilizer RCM reliability centered Maintenance Reclamation Bureau of Reclamation RSHS Reclamation Safety and Health Standards SCADA Supervisory Control and Data Acquisition UPS uninterruptable power supply V volt Vac volts alternating current Vdc volts direct current % percent > greater than < less than Maintenance Scheduling for Electrical Equipment v Table of Contents Page Acronyms and Abbreviations .. iii 1. Introduction .. 1 Maintenance .. 2 Maintenance Schedules and Documentation .. 2 Job Plan Templates .. 3 Power O&M 4 Electrical Equipment Maintenance Schedules .. 5 2. Annunciators and Alarms.

6 5 General .. 5 Maintenance Schedule for Annunciators/Alarms .. 5 3. Arresters .. 6 General .. 6 Maintenance Schedule for Arresters .. 6 4. Batteries, Battery Chargers, and Battery Monitoring Systems .. 7 General .. 7 Maintenance Schedule Flooded, Wet Cell, Lead Acid 7 Maintenance Schedule Valve Regulated, Lead Acid (Gel Cell) Batteries .. 8 Maintenance Schedule Vented Nickel Cadmium Batteries .. 8 Maintenance Schedule Battery Chargers .. 9 Maintenance Schedule Battery Monitoring System .. 9 5. Bushings .. 11 General .. 11 Maintenance Schedule for Bushings .. 11 6. Buswork, Enclosures, and Insulators .. 12 General .. 12 Maintenance Schedule for Buswork, Insulators, and Enclosures 5 15 Kilovolts (kV).. 12 7. Power Cables Energized at 2 kV and Above .. 13 General .. 13 Maintenance Schedule for Power Cables .. 13 8. Carbon Dioxide 14 General .. 14 Maintenance Scheduling for Electrical Equipment vi Table of Contents (continued) Page Maintenance Schedule for CO2 Systems.

7 14 9. Circuit Breakers .. 15 General .. 15 Molded Case Breaker Maintenance Schedule .. 16 Low Voltage (600 Volts [V] and Less [480 V] Draw Out and Fixed Air Circuit Breaker Maintenance Schedule .. 16 Medium Voltage (601 15 kV Rated) Air and Air Blast Breaker Maintenance 16 Medium Voltage (601 15,000 Vac) Vacuum Breaker Maintenance Schedule .. 17 Medium and High Voltage SF6 Breaker Maintenance Schedule .. 17 Medium and High Voltage Oil Breakers Maintenance Schedule .. 18 10. Control Circuits .. 19 General .. 19 Maintenance Schedule for Control Circuits .. 19 11. Coupling Capacitors .. 20 General .. 20 Maintenance Schedule for Coupling Capacitors .. 20 12. Overhead Cranes, Hoists, 21 General .. 21 Maintenance for Elevators .. 21 Maintenance Schedule for Cranes and Hoists .. 21 Startup and Daily Inspections .. 21 13. Overhead Distribution Lines .. 23 General .. 23 Maintenance Schedule for Overhead Distribution Lines.)

8 23 14. Electrical Drawings .. 24 General .. 24 15. Emergency 25 General .. 25 Maintenance Schedule for Emergency Lighting .. 25 16. Exciters and Voltage Regulators .. 26 General .. 26 Maintenance Schedule for Exciters and Voltage Regulators .. 26 Maintenance Scheduling for Electrical Equipment vii Table of Contents (continued) Page 17. Facility Equipment Ratings and Protective Relaying 27 General .. 27 Maintenance Schedule for Facility Equipment Ratings Review .. 27 Protective Relay Settings Review .. 29 Arc Flash Hazard Analysis .. 29 18. Fire Detection and Alarm Systems .. 30 General .. 30 Maintenance Schedule for Fire Detection and Alarm Systems .. 30 19. Blackstart Generators .. 31 General .. 31 Testing Schedule for Blackstart Generators .. 31 20. Engine Generators .. 32 General .. 32 Maintenance Schedule for Engine Generators .. 32 21. Generators and Large Motors .. 33 General .. 33 Maintenance Schedule for Generators and Large Motors.

9 33 22. Governors .. 34 General .. 34 Maintenance Schedule for Governors .. 34 23. Motors (< 500 hp) .. 35 General .. 35 Maintenance Schedule for Motors .. 35 24. Personal Protective Equipment .. 36 General .. 36 Maintenance Schedule for Personal Protective Equipment / Hot Line Tools .. 36 25. Potheads .. 37 General .. 37 Maintenance Schedule for Potheads .. 37 26. Relays and Protection Circuits .. 38 General .. 38 Calibration and Maintenance .. 38 Relay Functional Test .. 38 Protection Circuit Functional Testing .. 38 Maintenance Scheduling for Electrical Equipment viii Table of Contents (continued) Page Maintenance Schedule for Electromechanical Relays .. 39 Maintenance Schedule for Solid-State Relays .. 39 Maintenance Schedule for Microprocessor Relays .. 39 Maintenance Schedule for Lockout Relays .. 40 Maintenance Schedule for Protection Circuits .. 40 27. SCADA Systems .. 41 General .. 41 Input and Output Circuit Functional Testing.

10 41 Maintenance Schedule for SCADA Systems .. 41 28. Security 42 General .. 42 Maintenance Schedule for Security Systems .. 42 29. Switches, Disconnect Medium and High 43 General .. 43 Maintenance Schedule for Disconnect Switches .. 43 30. Switchyard/Substation Ground Connections .. 44 General .. 44 Maintenance Schedule for Switchyard/Substation Ground Connections .. 44 31. Switchyards, Substations, and Transmission Lines .. 45 General .. 45 Maintenance Schedule for Switchyards and Substations .. 45 Maintenance Schedule for Transmission Lines .. 45 32. Thermographic Maintenance (Infrared Scanning) .. 46 General .. 46 33. Transducers/Meters/Switches .. 49 General .. 49 Maintenance Schedule for Transducers/Meters/Switches .. 49 34. Transformers .. 50 General .. 50 Instrument Transformers .. 50 General .. 50 Maintenance Schedule for Instrument Transformers .. 50 Transformers Rated Less Than 500 kVA .. 51 General.