tap-changing under load

• To: tesla-at-pupman-dot-com
• Subject: tap-changing under load
• From: BRANDWE-at-aol-dot-com
• Date: Tue, 24 Sep 1996 00:08:29 -0400

Perhaps not all distribution circuits, but at least the longer ones have
distribution transformers with tap-changing under load.  You can hear them go
chug - chug- chug when the are actuated in response to a voltage change on
the circuit.  These changes come about because of quite drastic changes in
loading  from on-peak hours to off peak hours.  In the south where there are
heavy air-conditioning loads, a hot day will get them working.  Wallace
Edward Brand

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