연료전지차용 고전압 BLDC Fan Motor 개발

Recently, FCEV has been well known for the low emission and environment-friendly vehicle to the automotive industry. There are many differences between FCEV(Fuel Cell Electric Vehicle) and ICEV(Internal Combustion Engine Vehicle). Especially, one of the main differences is cooling system. ICEV is to cool the engine system but FCEV is to cool the stack. For this reason, FCEV cooling system has to complement low outlet temperature of stack and much mass flow rate. On this paper, we have studied the high performance fan motor assembly with integrated controller of stack cooling system for FCEV and evaluated its performance and reliability under the certain test condition. In addition, in an effort to enhance the safety, we add self-diagnosis function to the inverter controller of fan motor. As a result, we have got satisfactory test result and the high performance fan motor assembly with integrated controller is applicable to the stack cooling module for FCEV.