Hot Days and Smoking Transfomers

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iwire

iwire

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Location
Massachusetts
As I sit at my desk I listen to the Local Fire Dept on the scanner.

Right now they are actually responding to their third smoking pole mounted transformer without even going back to the station.

The local municipal power company is still dealing with the first one.

If I don't loose power soon I will be surprised.

Today is the hottest day of this summer here it does not inspire me with confidence for the rest of the summer.

They have been pulling new larger primarys all over town, looks like it's time for some new transformers as well.
 
hmspe

hmspe

Senior Member
Location
Temple, TX
Occupation
PE
iwire said:
Today is the hottest day of this summer here it does not inspire me with confidence for the rest of the summer.
Click to expand...

We must be having global cooling in Phoenix today -- only 105 at the moment. Quite nice compared to last week.
 
B

bphgravity

Senior Member
Location
Florida
Wow!

My entire professional career has been here in Florida and I have never heard of this happening. Then again, we really only get to around 95? mid day in the summer on the Gulf Coast. It's only broken 100? a few rare days.

I hope you have an adequate optional standby system! ;)
 
e57

e57

Senior Member
Location
San Francisco, CA
100+ a few miles away over the bridge, 74 where I was all day with a cool ocean breeze. For some reason I am installing AC there!!!!! It will have all but 5 hot days a year there. The fog usually burns off about 10-11 am, if at all.
 
don_resqcapt19

don_resqcapt19

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Staff member
Location
Illinois
Occupation
retired electrician
A few years ago, a municipal utility in a small town near me actually connected garden hoses to houses near some of their transformers and ran them up the poles to cool the transformers.
Don
 
ron

ron

Senior Member
Location
New York, 40.7514,-73.9925
It's funny how most folks are so particular in specification of transformer size and the associated temperature rise for a client. On the other hand, the utilities regularly let the transformers run past their kVA ratings, because the associated overtemp is USUALLY not a problem ......

Stay cool Bob!
 
hockeyoligist2

hockeyoligist2

Senior Member
Location
close to greenville sc
77401 said:
I just finished converting my portable generator to run on tri-fuel.
I now can run it off the natural gas from my house. No more gasoline!
So bring on the power outages! I am ready!
Click to expand...

Tri-fuel? I see gas, natural gas, please say the other is propane (or leftover peanut oil, got a lot of that!)! I don't have natural! How did you do it?
 
P

petersonra

Senior Member
Location
Northern illinois
Occupation
engineer
don_resqcapt19 said:
A few years ago, a municipal utility in a small town near me actually connected garden hoses to houses near some of their transformers and ran them up the poles to cool the transformers.
Don
Click to expand...

I used to work as a security guard when I was going to school. One of the security guards jobs was to turn off the sprinklers after the sun went down. The sprinklers were on the chillers up on the roof. it was the only way they could keep up with the cooling demand in the building when it got real hot. The building engineer just stopped on his way home from work one day and bought an oscillating sprinkler and a hose and set it up on the roof to spray on the chiller coils on extra hot days.
 
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