Well pumps and SWs revisited [RE-wrenches]

[larry]

I find this subject or particular interest since I have a hydro installation
that uses two stacked 5548's to power not only a three horsepower pump but
also three homes with furnaces and all the usual loads (although it is a
working ranch and two of the homes are only occupied on occasion) . The most
common cause of a trip due to overload is if they are branding with the
electric brands.



It has always been my suspicion and confrmed by a number of IEE's that the
only thing that helps keep tripping events low is the use of over 2000 feet
of 4/0-4/0-2/0 cable for distribution from the turbine house that acts like
a giant choke to limit surge current. Would a large choke from say a big
welder serve the same purpose without compromising the systems efficiency or
performance?



Just a thought



Larry Elliott

 

Hi Ray,

 

The subject of the 5548's not being able to surge has been discussed at

great length here on the site. It has caught a LOT of people and put them

into some real problems.

There are no fixes ( except really change the loads or get new inverters)

for the problem.

 



 

 

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