Electronic load regulator

Prime-mover dynamo plants – Miscellaneous – Drive gearing

Reexamination Certificate

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Details

C324S209000

Reexamination Certificate

active

07339283

ABSTRACT:
An electronic load regulation system for a locomotive may comprise a solid state replacement for existing electro-mechanical load regulators that are used to adjust the excitation current in the field windings of the locomotive's generator. A pressure sensor may include a first chamber and a second chamber, each chamber having a pressure switch. The pressure sensor may be installed in place of a prior art vane motor and may connect to the existing governor hydraulic output. The pressure switches send status data to an electronic load regulator circuit that may replace a prior art rheostat. The electronic load regulator may increase or decrease the excitation current depending upon the status data received from the pressure sensor.

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patent: 2005/0109076 (2005-05-01), Butler

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