| 摘要 |
PROBLEM TO BE SOLVED: To achieve high energy consumption efficiency by efficiently returning surplus electric power in driving of a gas engine to a system while properly controlling air-conditioning.SOLUTION: In this system interconnection system S including a generator 30, a gas heat pump-type air conditioner 1 having an AC/DC converting section 34, and a convertor 40 for converting DC electric power converted by the AC/DC converting section into AC electric power of the system to which an air conditioner 1 is connected, and returning the same to the system, the convertor 40 executes the control to follow up a point of the maximum output power, and controls the electric current flowing to the convertor 40 from the AC/DC converting section 34 to follow up a point of the maximum output voltage of the convertor 40 on the basis of an operating condition of the air conditioner 1. |
