CPC F02N 11/105 (2013.01) [F02B 63/042 (2013.01); F02N 11/08 (2013.01); F02N 11/0807 (2013.01); G05D 1/005 (2013.01); G05D 1/0016 (2013.01); G05D 1/0022 (2013.01); F02N 2011/0881 (2013.01); F02N 2200/022 (2013.01)] | 20 Claims |
1. An engine driven welding power system comprising:
an engine arranged in an enclosure of the engine driven welding power system;
a current transformer configured to generate an induced current in response to an excitation current generated in an excitation circuit in response to rotation movement of the engine, wherein the induced current comprises one or more characteristics corresponding to engine speed; and
a welding power supply comprising a control circuit configured to:
receive a signal from the current transformer representing the one or more characteristics;
determine the engine speed based on the one or more characteristics; and
preventing activation of an engine starter in response to the engine speed exceeding a threshold engine speed value.
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