APPARATUS AND METHOD FOR CONTROLLING COOLANT TEMPERATURE OF FUEL CELL SYSTEM

摘要

Disclosed is an apparatus and method that controls a coolant temperature of a fuel cell system, which can improve fuel efficiency by performing a multi-point temperature control based on the power of a vehicle, the outdoor temperature for each season, etc.

主权项

1. An apparatus controlling a coolant temperature of a fuel cell system, the apparatus comprising:
a valve installed in a coolant line to provide a flow path for coolant; a fuel cell controller configured to variably control a target stack inlet coolant temperature based on a control factor; and a controller configured to receive a control signal from the fuel cell controller and control the valve based on the control signal; wherein an operation temperature of the fuel cell system is controlled through a multi-point temperature control based on power of a vehicle and an outdoor temperature for each season to improve fuel efficiency.