[HoustonHam] TDXS Mtg Sep 9 - High Voltage Power Lines

[Don Daze, N5DD]

TDXS September Meeting Announcement

All interested in learning more about DXing or contesting are invited to
attend!

Note that nominations for 2005 TDXS officers will open during the September
9 meeting!

The September 9 TDXS meeting will feature Lance Rumfield, WD5KCX, presenting
"Power line Operating Parameters, Amateur Antennas & Electrical Safety".

1)      Introduction
2)      Explain migration of HL&P/Reliant/CenterPoint Energy  - or - (What
happened to HL&P)
3)      How electric power gets from generator to residential service  (How
it all works)
        a)      Examples of different configurations and voltages  (Towers,
poles and volts)
        b)      Transmission networks and power line carriers  (don't trip
here)
        c)      Distribution radial networks  (please trip here)
        d)      HV breakers, power transformers and available fault currents
(Big AMPS!!!)
4)      Explanation of how distribution feeder circuits are relayed (T-C-T,
C-T, C-T - all out!!)
5)      Examples of what can happen  (Ooops)
        a)      faulted 138kv line  (BIG Fire)
        b)      faulted transformers (Big Mess)
        c)      Distribution feeder breaker failure     (Not in Houston!!)
6)      Easements & Fees & 10 foot rule  (The LAW!!)
        a)    ground easements  (measurements)
        b)    aerial easements  (more measures)
7)      Examples of violations (can people be this dumb)
8)      Electrical Contact vs Step Potential  (the other hazard)
9)      Multi-Point grounding & lightning protection  (Louie the lightning
bug)
10)     Guy wires, thimbles and old towers      (My pet peeve)
11)     Common Sources for TVI  (Buzzzz)
        a)      Slack span dead end bells
        b)      Bonding of pole hardware
        c)      Salt contamination & corona discharge
        d)      Customer Issues
                1)      Door Bell transformers
                2)      Metallic siding
12)     Questions  (Stump the presenter)

Lance Rumfield, WD5KCX, has been licensed since 1978. His amateur interests
include HF, both  fixed and mobile, and APRS.  WD5KCX is also the trustee of
the 449/444.250 repeater, since 1979, and enjoys converting commercial gear
to amateur use.  He is proud of the fact that his XYL and both sons are also
licensed.  Lance is Supervisor, Diagnostics & Analysis in the Substation
Performance division of CenterPoint Energy.  In his 32 years with
predecessor companies he has extensive experience with high voltage
transmission and distribution, and holds several patents.

Mark your calendar to attend this interesting presentation!
Date:       Thursday, September 9
Time:       7:00 - 9:00 pm
Location:   Tracey Gee Community Center
Address:    3599 Westcenter Drive
Directions: One block east of Beltway 8, between Richmond and Westpark.

Dinner before the meeting
TDXS members will meet for eats before the meeting, please join us!
Date:     Thursday, September 9
Time:     6:00 - 7:00 pm
Location: Outback Steakhouse
Address:  10001 Westheimer, at Briar Park
          In the Carillion Center.

Guests and visitors welcome.

For more info please contact Don Daze, N5DD, email n5dd at arrl.net.
Please visit www.tdxs.org