Larry Conrad opened the meeting by briefly previewing the agenda. The minutes of the 1999 Summer PES meeting were approved with two minor editorial corrections. The TF was reminded that the minutes, as well as other TF documents, could be found on the TF web-site, grouper.ieee.org/groups/1453. Some documents on the web-site are protected, requiring an ID (p1453) and password (flictage).

As the meeting contained many guests from the soon to follow TF on Custom Power, TF on Voltage Sag Indices, and the Distribution Voltage Quality Working Group, it was decided to have a formal introduction of those in attendance once for all four meetings. That was done at this time. There were 51 in attendance.

Larry next presented his coordination report to the TF. The IEC 77A/302/CD is out for ballot. This document adds the 120V 60Hz. lamp curves into the flickermeter specifications. Ballots from the voting countries should be in by May 1st and the CD should have final approval within one year. The TF's PAR has been extended for two years; which means that as of this meeting there remains about 18 months on the active PAR. The extension was requested to insure that the TF could function until the IEC CD was approved. A copy of the CD is on our web-site and everyone is encouraged to review the document and

submit comments to Larry.

Larry requested that the secretary provide a list of PAR coordination groups in the minutes. Tom Key will insure that our TF is listed on the coordination group PAR for the Distributed Generation TF, P1457. Our coordination groups are as follows:

Illuminating Engineering Society

IEC/UIE

US TAG for TC77

Canadian Committee for TC77

Industrial Applications Society/I&CPS

IEEE SCC22

NEMA C78 and C82 Secretary for ANSI Committees

Human Factors and Ergonomics Society

A few copies of Draft 2 were available as handouts at the meeting and the document will be placed on our web-site. Larry took some time to cover the highlights of changes in Draft 2. Two tasks remain to complete the goals outlined in our PAR, the writing of a specification for the measurement of flicker and a specification of acceptable flicker limits. Discussion followed concerning the adoption/change/etc. that could be made to IEC 61000-3-7 such that it could be accepted as the IEEE uniform practice for adding new loads to a utility system.

A question was asked concerning the comparison between the adopted IEEE method based on the IEC standard and the much used GE curves. To help put the question in perspective, Larry asked the group what they would recommend as allowable voltage drop for starting a motor. After much discussion, the group provided limits that ranged from 2% to 7%. Larry then asked how many in the group had experience with the IEC flickermeter and there were limited responses. Numerous questions concerning the IEC method of determining flicker in the planning stage as opposed to after the fact followed. Only three were familiar with those methods. A related question centered on the rating of a customer’s light bulb in relation to their sensitivity to flicker. Roger informed the group that a Canadian survey of 500-600 sites should be completed by December that will provide some correlation between lamp size and voltage flicker levels. The question was asked whether there should be multiple standards, one for each lamp size. It was agreed that it would be impractical to have different standards for different lighting technologies. After much discussion, Larry reminded the group that the TF effort was a recommended practice and not a standard so each utility could decide to implement it, as they deemed necessary. He also pointed out the difficulty in comparing results obtained from the GE curve with those from the IEC method due to their differences in methodology.

A question was then asked concerning the impact of switching large capacitor banks. Many were in support of having an absolute limit but there was no consensus as to the appropriate value.

Mike Marz has completed his part for the TF tutorial and will send it to Larry for posting on the web-site. As others complete their assigned part of the tutorial, it was suggested that they also send it to Larry. (Action Item 37)

Larry had concerns about the repeatability between various flickermeters and suggested that additional test points be added to correct this. This problem was observed during the PEAC flickermeter test using data from a DC electric arc furnace.

Reuben Burch was assigned the task of writing a section on acceptable flicker levels for inclusion in Draft 2. (Action Item 38)

The next meeting of the TF will be at the 2000 Summer PES meeting in Seattle, WA.