PE hydrothermal boiler laundry room

 
Establish preventative maintenance schedule

Ceramic kiln

Need maintenance schedules for bodine ballast

Ceramics all exterior outlets cts tripped

Arc Welder readings out of range.

FH sump pump temp power

Burnt XFMR PE wattstopper

PE wattstopper maybe this burnt xfmr is the cause!  Low voltage short has developed.

Megger the Baseball panel bringing the main PE 800A breaker down

No resistance at 500v

Just because the panel, the pipe and the wire have been there thirty years for the insulation to be compromised, but there you are!

Trips set at minimum but the main trips first anyway

Looks kind of wet.

XHHW-2 is a much better insulation than THHW for wet locations. I have seen several failures of THHW in underground conduits, which around here, are water filled.  Plus XHHW-2 is 90 C rated for wet locations and THHN in a wet location is not.

Lucky stars

A laborer with the pipeline company was digging with an iron bar up behind Woodlands .

He struck an unmarked High Voltage line [15,000V]

.

He was lucky to be uninjured but we had a big power disruption.

While we were restoring power, we found that we had no key for the new photovoltaic enclosures at PE. Bob had to pick the lock on the enclosure.

I didn't take any pictures but we found the pool pump house was all quiet. There are no phase loss monitors in any of the new buildings, but the four of the control voltage circuit breakers tripped resulting in complete shutdown of big motors. Don't know if this was designed in by EE or just lucky.

Also one of the three PV cabinets had a faulted 125A CB that shut down that one enclosure.

Recommend District consult with EE if Phase Loss Monitors required before next Hi Voltage event/

PE CIRCLE DRIVE EXT LIGHTS NOT WORKING

No wonder they are not working, the source is interrupted.

KTD PE New Sump Pump

 
 

Training on the Medium Voltage Switchgear at Prkng Lt 4.

Cutler Hammer / Eaton Rep "Jun"

Link to photos, manual and the Power Point presentation

12KV Switch Gear Pkng Lt 4

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  • Schedule Preventative Maintenance
    • Batteries check hygrometer monthly
      Start Log Keeping process
      Schedule period of inspections of erosion indicators.
      
      
      
      
  • Missing parts include
    • racking handle
    • charging handle
    • extension rails
    • We need a hard copy of the manual to leave in battery compartment
      • menu guide for fault indicators on site
  • Correction needed
    • Create as built Hi Voltage Single Line Diagram
      
      

      Correct Bunker exposed Hi Voltage connections

      amp meter calibrated for 1200 amps when we use less than 30 amp