Patent ID: 9231465
Filing Date: 2016-01-05
CPC Classification: B62D,H02M,H02P

Claim Text:
1. A motor control apparatus controlling a driving of a motor having two pairs of winding sets, comprising: a current command value calculation portion calculating a current command value supplied to the motor; a first system including a second system including a temperature difference calculation portion obtaining the first detection temperature and the second detection temperature to calculate a system-to-system temperature difference, wherein: the system-to-system temperature difference is defined as an absolute value of a difference of the first detection temperature and the second detection temperature, one of the first controller and the second controller stops a driving of one of the first power inverter circuit and the second power inverter circuit or reduces the current limiting value of the one of the first power inverter circuit and the second power inverter circuit when the system-to-system temperature difference is equal to or more than a predetermined temperature difference threshold, and the one of the first power inverter circuit and the second power inverter circuit is included in one of the first system and the second system having a detection temperature higher than an other of the first system and the second system, the one of the first controller and the second controller sets the current limiting value of the one of the first power inverter circuit and the second power inverter circuit into zero and stops the driving of the one of the first power inverter circuit and the second power inverter circuit, when the system-to-system temperature difference is equal to or more than the predetermined temperature difference threshold, and the one of the first power inverter circuit and the second power inverter circuit corresponds to the one of the first system and the second system having the detection temperature higher the other of the first system and the second system.