Crossword Puzzle for Must-Know Lessons Learned

1234567891011121314151617
Across
  1. 2. The introduction of __________________ into plant systems can result in unanalyzed conditions that potentially affect the ability of systems to perform their intended functions.
  2. 5. Abnormal plant conditions, or indications that cannot be readily explained need to be identified and __________________.
  3. 6. Ensure that breaker and motor control center cabinet ventilation is __________________, or conduct monitoring during high ambient temperature periods to ensure that internal components do not overheat above manufacturer's recommendations.
  4. 7. Ensure the circuit breaker preventive maintenance program considers __________________ recommendations and station and industry operating experience and is applied to appropriate breakers.
  5. 9. Take actions in the following areas to preclude failures of large transformers and support components: performance monitoring and trending, life cycle management, design and manufacturing considerations, operating procedures, __________________ roles and responsibilities for associated work groups, hazard analysis, and training for site and supplemental personnel who maintain or operate transformers and related components.
  6. 11. Potential causes of gas intrusion include fill and vent evolutions, maintenance or operational activities, pressure transients while near gas __________________, and plant design.
  7. 13. Review the __________________ processes used to implement changes to emergency power systems periodically to ensure that thorough modification controls are applied.
  8. 14. Periodically inspect the electrical distribution system, including the main generator, bus ducts, transformers, high voltage switchgear, ground detection system, medium voltage cables, and __________________ systems such as space heaters and thermostats exposed to extreme weather conditions.
  9. 15. Investigation into causes of abnormal plant conditions must be __________________ to confirm there is no adverse condition that could impact safety or reliability.
  10. 17. Review performance monitoring practices for emergency power systems periodically to ensure current __________________ identify degrading component performance.
Down
  1. 1. Consequences from gas accumulation include inoperable systems; water __________________; pump trips, high pump vibration, and pump damage; abnormal system flow; and inaccurate level indication.
  2. 3. When purchasing replacement components for electrical distribution system, specify cabinet __________________ temperature (not room temperature) and expected voltage and current surges during transient conditions.
  3. 4. Review existing emergency power system component degradation and design __________________ periodically for common cause and common mode failure.
  4. 8. Establish clear acceptance criteria, as well as actions required upon exceeding these acceptance criteria, for the __________________ monitored.
  5. 10. __________________ performing this review should identify and use applicable industry best practices for comparison to current performance monitoring practices at their plants.
  6. 12. The potential effects of these abnormal conditions must be considered in the __________________ as well as individually.
  7. 16. Equip large power transformers with on-line discriminating gas-in-oil analyzers. System engineers should periodically monitor and __________________ the results.