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4hv.org :: Forums :: High Voltage

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Pole Transformer

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LAN_403

Ken Herrick

Sun Apr 04 2010, 03:56PM

Registered Member #2489 Joined: Mon Nov 30 2009, 06:23PM
Location: Oakland, CA USA
Posts: 17

HazzWold1993: It's the primary when up on the pole but the secondary when Tesla coilers use it.

KCH

klugesmith

Fri Apr 23 2010, 05:06AM

Registered Member #2099 Joined: Wed Apr 29 2009, 12:22AM
Location: Los Altos, California
Posts: 1716

Here's an instructional video showing the winding, assembly, and potting of a pole transformer. Sorry if it's been pointed out here previously.

Re. physical size, questioned earlier in this thread. The dimensions of a 100 kVA unit would be around 42% larger than those of the 25 kVA unit in the video, to double the core area (for volts/turn) and the winding area (for amps*turns). The closest 100 kVA to my house has radiator tubes sticking out from the tank to help with cooling.

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