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IEEE Standard 1159-1995: The Revised PQ MonitoringStandard

IEEE Standard 1159-1995: The Revised PQ MonitoringStandard. Randy Collins Chair, 1159 Working Group IEEE Power Engineering Society Winter Meeting New York January 28, 2002. Benchmark Document. Monitoring of Electric Power Quality of single and polyphase systems. Descriptions of phenomena.

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IEEE Standard 1159-1995: The Revised PQ MonitoringStandard

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  1. IEEE Standard 1159-1995:The Revised PQ MonitoringStandard Randy Collins Chair, 1159 Working Group IEEE Power Engineering Society Winter Meeting New York January 28, 2002

  2. Benchmark Document • Monitoring of Electric Power Quality of single and polyphase systems. • Descriptions of phenomena. • Definitions of nominal and deviations from nominal. • Recommendations for measurement techniques, application techniques, and interpretation of monitoring results.

  3. Purpose • The purpose of 1159-1995 is to direct user in the proper monitoring and data interpretation of electromagnetic phenomena that cause power quality problems.

  4. Purpose cont’d • Defines power quality phenomena to facilitate communication within the power quality community. • Forms the consensus opinion for safe and acceptable methods for monitoring and interpreting results. • Tutorial on power system disturbances and common causes.

  5. The next 1159… • At a minimum, 1159 needs to be updated and include links to the forthcoming 1159.1 and .3 works. • What do we want the final product to look like?

  6. Some ideas… Ch. 1. Overview • Expand and include information about “why would you want to measure for power quality?” Ch. 2. References • Revise and update

  7. Ch. 3 Definitions • Terms used in this recommended practice • Avoided terms • Abbreviations and acronyms • Expand with the former P1433 information • Pull definitions from .1 and .3 documents • Can we use and define terms not used in the document? • Would this be difficult to ballot?

  8. Ch. 4 Power Quality Phenomena • Electromagnetic compatibility • General classification of phenomena • Detailed descriptions of phenomena • Table 2 is probably the most widely used part of the Standard. • Update the graphs. • Expand the explanations.

  9. Ch. 5 Monitoring Objectives • Need for monitoring PQ • Equipment tolerances and effects of disturbances on equipment • Equipment types • Effect on equipment by phenomena type

  10. Ch. 6 Measurement instruments • AC voltage and current measurements • Voltage and current considerations • Monitoring instruments • Instrument power • Revise and update. • Incorporate some 1159. 1 information.

  11. Ch. 7 Application techniques • Safety • Monitoring location • Equipment connection • Monitoring thresholds • Monitoring period

  12. Ch. 8 Interpreting monitoring results • Interpreting data summaries • Critical data extraction • Interpreting critical events • Verifying data interpretation • Expand this to include data reduction and presentation info. • How do you present multi-dimensional info on a 2-dimensional CBEMA/ITIC/SEMI curve?

  13. Additional topics • Sort of a “case study” section, except organize it by equipment categories. • What to monitor and look for, what you don’t need to monitor for when investigating problems with common equipment: • ASDs, PLCs, Switching power supplies, relays/contactors, lighting, etc.

  14. Annexes • Annex A: Calibration and self testing (informative) • Keep this or not? • Annex B: Bibliography (informative) • Keep this and update/expand. • New Annexes: • Technical summaries of the .1 and .3 documents.

  15. Today’s objectives • Establish scope, purpose and other items required for the PAR. • Determine a working outline and chapters • Assign chapter chairs

  16. Ch. 1 and 2 Intro material Ch. 3 Def’ns Ch. 4 Phenomena Ch. 5 Objectives Ch. 6 Instruments Ch. 7 Applications Ch. 8 Interpretation and Statistical Analysis Ch. 9 Examples of using the standard in the field Annexes: A: Calib. and Self-Testing B: Tech Summaries of 1159.1 and 1159.3 C: Bibliography Proposed Organization

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