Patent ID: 8558496

Claim:
An electrical system for use in a vehicle comprising: a direct current, DC, interface; an electric motor having a plurality of phases; an inverter module coupled between the DC interface and the electric motor, the inverter module comprising a plurality of phase legs, wherein each phase leg corresponds to a respective phase of the electric motor; a first current sensor between a first phase leg of the plurality of phase legs of the inverter module and a first phase of the electric motor to measure a first current flowing through the first phase of the electric motor; a second current sensor between the first phase leg and the DC interface to measure a second current flowing through the first phase leg; and a control module coupled to the first current sensor and the second current sensor, wherein the control module is configured to initiate remedial action based at least in part on a difference between the first current measured by the first current sensor and the second current measured by the second current sensor.