Transformer-Rectifier Register

10 energised · 2 low output · 2 not energised · interval ≤ 2 months per 49 CFR 192.465
UnitSiteStructure servedRated OutputTap StateLast check
TR-01 SGPC Compressor Stn PL-06" SGPC–TIPU 50V / 30A 28.4 V / 18.2 A 4/3 Energised 2026-05-02
TR-04 SGPC Manifold PL-06" SGPC–TIPU 50V / 30A 31.0 V / 21.6 A 5/2 Energised 2026-05-02
TR-07 Tipu Wellhead PL-04" TIPU Gathering 30V / 20A 19.8 V / 12.4 A 3/4 Energised 2026-04-28
TR-09 Mari Booster PL-10" MARI–DAHARKI 80V / 50A 46.2 V / 33.8 A 6/1 Energised 2026-05-11
TR-11 Daharki Terminal PL-10" MARI–DAHARKI 80V / 50A 41.7 V / 29.4 A 5/3 Energised 2026-05-11
TR-14 Grub Wellhead MPCL-SGPC-GRUB-WHS1 30V / 20A Not energised 2026-02-05
TR-16 Zarghun South A ZS-Flowline Network 50V / 30A 24.1 V / 9.8 A 3/2 Low output 2026-04-02
TR-18 Sujawal Loop N PL-08" SUJAWAL Loop 50V / 30A 33.6 V / 27.1 A 6/2 Energised 2026-01-20
TR-19 Sujawal Loop S PL-08" SUJAWAL Loop 50V / 30A Not energised 2026-01-20
TR-22 Kandhkot Trunk W PL-12" KANDHKOT Trunk 80V / 50A 52.8 V / 38.6 A 7/1 Energised 2026-05-09
TR-24 Kandhkot Trunk E PL-12" KANDHKOT Trunk 80V / 50A 49.3 V / 35.2 A 6/3 Energised 2026-05-09
TR-27 Mari Export Stn PL-16" MARI Export 100V / 60A 61.5 V / 44.9 A 5/4 Energised 2026-05-21
TR-29 Tank Farm 2200 TK-2201 / TK-2202 30V / 20A 16.2 V / 8.4 A 2/3 Low output 2026-04-18
TR-31 Sujawal Gathering PL-08" SUJAWAL Loop 30V / 20A 21.4 V / 14.7 A 4/2 Energised 2026-01-19

Groundbeds & Anode Systems

consumption against design life · ISO 15589-1
BedTypeStructure InstalledDesign life ConsumedResistanceStatus
GB-01 Deep well groundbed PL-06" SGPC–TIPU 2016 20 yr
46%
1.8 Ω Serviceable
GB-03 Shallow horizontal PL-04" TIPU Gathering 2013 15 yr
78%
3.4 Ω Monitor
GB-05 Deep well groundbed PL-10" MARI–DAHARKI 2019 20 yr
29%
1.2 Ω Serviceable
GB-08 Distributed anode TK-2201 Crude Storage 2011 15 yr
83%
4.9 Ω Monitor
GB-09 Deep well groundbed PL-12" KANDHKOT Trunk 2021 25 yr
14%
0.9 Ω Serviceable
GB-12 Sacrificial Mg ribbon ZS-Flowline Network 2015 12 yr
91%
6.7 Ω Replace
GB-14 Shallow horizontal PL-08" SUJAWAL Loop 2012 15 yr
88%
5.2 Ω Replace

Groundbed resistance rising against its installed value is the earliest warning of anode consumption — usually visible before the structure potential moves.