IEEE%20Standard%201159-1995:%20%20The%20Revised%20PQ%20MonitoringStandard

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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

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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.

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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.

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Purpose contd

• 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.

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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?

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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

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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?

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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.

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Ch. 5 Monitoring Objectives

• Need for monitoring PQ
• Equipment tolerances and effects of disturbances
  on equipment
• Equipment types
• Effect on equipment by phenomena type

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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.

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Ch. 7 Application techniques

• Safety
• Monitoring location
• Equipment connection
• Monitoring thresholds
• Monitoring period

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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?

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Additional topics

• Sort of a case study section, except organize
  it by equipment categories.
• What to monitor and look for, what you dont need
  to monitor for when investigating problems with
  common equipment
• ASDs, PLCs, Switching power supplies,
  relays/contactors, lighting, etc.

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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.

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Todays objectives

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

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Proposed Organization

• Ch. 1 and 2 Intro material
• Ch. 3 Defns
• 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