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Fault detection system and method for a generator

  • US 9,203,234 B2
  • Filed: 01/28/2013
  • Issued: 12/01/2015
  • Est. Priority Date: 01/28/2013
  • Status: Active Grant
First Claim
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1. An electric vehicle including:

  • a chassis;

    a ground engaging mechanism configured to support the chassis;

    an engine;

    a generator driven by the engine, the generator being configured to generate electrical energy and to provide the electrical energy on a multi-phase output;

    a DC bus configured to receive electrical energy provided from the generator;

    a sensor configured to detect an energy level on the DC bus; and

    a controller configured to control routing of electrical energy from the multi-phase output to the DC bus and to monitor the energy level on the DC bus based on the sensor, the controller including fault management logic operative todetect a fault condition, anddetermine that the fault condition is a phase-to-phase fault affecting relative distribution of the electrical energy on the phases of the multi-phase output based on a comparison of the energy level on the DC bus after detecting the fault condition to a threshold energy level.

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