Resource Owner Presentation - swedeus.org

Resource Owner Presentation - swedeus.org

Using Infrared to Proactively Maintain the Distribution System Ben J Carranza Objectives Proactively address potential equipment failures Positively impact corporate SAIFI goal Develop processes to track: Survey costs Repair costs Avoided SAIFI Missed opportunities History 2000 2001 One camera

2002 2003 Two Four Part time effort Full time effort Request initiated Annual schedule Full circuit surveys 2004 Equipment surveys Operator training INFR notifications Glower process

Survey Impacts Outages Preventable with IR Avoided SAIFI 0.25 0.2 0.09 0.21 0.2063 0.08 0.07 0.167 0.06 SAIFI

0.15 0.1 0.05 0.04 0.03 0.05 0.02 0.01 0 2002 2003 0 2004 2002 Surveys

400 350 300 250 200 150 100 50 0 2000 2001 2002 2003 2004 2003 Survey Costs Average survey cost per circuit (salary & burden)

$475.00 Average repair cost per critical item $1,100.00 Cost/performance projections (per 0.1 avoided SAIFI) Repair = $105,000 Survey = $57,000 Total = $162,000 Circuit Selection Customer count X Circuit loading = Weighted System (rank ascending) X

Outage History (preventable with IR) Selection Considerations 2004 Service Center IR Circuits 27 Includes all S/Cs Assigned by % of circuits in system Vegetation management Currently on 5 year survey cycle 34 39

45 26 9 8 13 28 11 8 9 19 24 BAY BEL BPT

CYP FTB GAL GPT HOC HUM KTY MPK SPB SOH SUG Field Survey Process

Start at substation Includes all getaways in substation Mid span splices & jumpers in first line section All primary circuit equipment One Line Diagram Field Survey Notes Report Criteria Equipment Criteria: Watch List 75 - 99F CTD Recorded & on file Critical >100F CTD Inspect\Repair ASAP

For 04 the following criteria was added for equipment problems that are encased or blocked from direct view Indirect Reference = 100F >20F CTD Inspect\Repair ASAP SWITCH EXAMPLE CTD = 200F Hot Spot = 300F Glower Process Urgent process to communicate, to multiple departments, problems that are at severe risk of failure Targets >500F must be visually inspected with binoculars If target is physically damaged or glowing: Immediately contact Distribution Control (Dispatch) Issue SAP & urgent email notifications

Glower Example #1 Bolted Connection on PTS (melting aluminum, hot spot >1200F) Glower Example #2 Clamp Type Connection on TP (Jumper melted from bracket & hung on hook stick disconnect ring) Reports Issued for Critical primary equipment Includes: Infrared & jpeg images Detail equipment information Visual problems like broken cross-arms and insulators Does not Include: Watch List items kept on file; revisited 1 year later Report Example SAP Notifications

Mainframe application Permanent record Provides link to work order data Consistent & accessible across company Monthly Progress Report TOTAL BAY BPT GAL GPT HUM MPK SOH Surveys Complete 0 0 0 0

2 5 2 Notifs Issued 0 0 0 0 0 3 0 System SAIFI 0.00000 0.00000 0.00000 0.00000 0.00000 0.00272 0.00000

MONTH W/O Issued 5 0 0 0 0 0 0 EAST 9 3 0.00272 5 3 9

$659 154 86 0.08085 24 8 10 $680 BEL CYP FTB HOC KTY SBR SUG

3 0 2 4 0 6 2 5 0 0 2 0 4 0 0.00532 0.00000 0.00000 0.00223 0.00000 0.00598 0.00000

0 2 0 0 0 0 1 4 0 0 0 0 0 0 5 0 0 0 0 0 0

$860 $0 $0 $0 $0 $0 $0 61 6 10 25 8 19 45 35 6 4 11 5 20 34

0.03020 0.01295 0.00477 0.00958 0.00748 0.02104 0.03946 24 2 3 5 0 0 1 8 0 0 1 0 0 0

5 0 0 1 0 0 0 $675 $0 $0 $293 $0 $0 $0 WEST 17 11 0.01354

3 4 5 $860 174 115 0.12547 35 9 6 $484 SYSTEM

26 14 0.01625 8 7 14 $760 328 201 0.20633 59 17

16 $582 W/O Avg Repair Avg Repair Closed Weeks Cost 1 6 $600 0 0 $0 0 0 $0 0 0 $0 2 3

$718 0 0 $0 0 0 $0 YEAR TO DATE Surveys Notifs System W/O W/O Avg Repair Avg Repair Complete Issued SAIFI Issued Closed Weeks Cost 35 18 0.01130 9 2 4 $805 7 5 0.00613 1

2 4 $755 9 4 0.00238 3 0 0 $0 30 16 0.01937 2 0 0 $0 15 4 0.00571 5 4 2 $479

26 12 0.01107 0 0 0 $0 32 27 0.02489 4 0 0 $0 Pole Fires Pole Fires (Cont.) Switch Example #1 Bolted Connection Switch Example #2

Switch Body Switch Example #3 Hinge Pin Assembly Misc. Example #1 Primary Crimp Splice Misc. Example #2 Cap Oil Switch & Bushing Connector Misc. Example #3 Neutral Current Misc. Example #4 Secondary Pedestal, URD Any Questions???

Contact Information Distribution System Reliability Ben J. Carranza (713) 945-6807 [email protected] Brandt Gonzales (Lvl. 1 Certified IR Thermographer) (713) 945-6457 [email protected] R. Brent Williams (713) 945-6063 [email protected]

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