ENGINE SYSTEM AND CONTROL METHOD FOR ENGINE SYSTEM

摘要

An engine system is constituted of a battery, a fuel cell, a turbocharger, an engine, an internal combustion engine control unit that stops the engine automatically upon fulfillment of a predetermined stop condition and starts the engine automatically upon fulfillment of a predetermined restoration condition, and a fuel cell control unit. In the engine system, the fuel cell control unit configured to stop the fuel cell from charging the battery or limit a charge amount of the battery to a value equal to or smaller than a discharge amount when the fuel cell is driven during operation of the engine and an SOC is equal to or larger than a first limit value W1. The fuel cell control unit configured not to limit the charge amount when the internal combustion engine control unit stops the engine and the fuel cell is driven during stop of the engine.