Fluid machine system, information processing device, and information processing method

An information processing device that determines an operation frequency of an inverter connected to a target fluid machine including a rotor blade, wherein

• the information processing device is able to use, as a reference, a storage that
• stores model identification information for identifying a model of a fluid machine including a rotor blade, and characteristic data of a total lift and a discharge flow rate or characteristic data of static pressure and a discharge air volume in a case where an induction motor operates the fluid machine, in association with each other, and
• stores the model identification information for identifying the model of the fluid machine including the rotor blade, and the characteristic data of the total lift and the discharge flow rate or the characteristic data of the static pressure and the discharge air volume in a case where a synchronous motor operates the fluid machine, for each operation frequency,
• the information processing device comprises:
• an acquirer that
• acquires a discharge flow rate or a discharge air volume of the target fluid machine in addition to model identification information of the target fluid machine or
• acquires a set of discharge pressure, suction pressure, and a cage height in addition to the model identification information of the target fluid machine;
• and
• a determiner that
• in a case where the discharge flow rate or the discharge air volume of the target pump fluid machine is acquired,
• specifies the total lift corresponding to the discharge flow rate or the static pressure corresponding to the discharge air volume with reference to the characteristic data corresponding to the model identification information of the target fluid machine in the storage, and
• determines the operation frequency of the inverter by performing collation with the characteristic data of the total lift and the discharge flow rate for each operation frequency or the characteristic data of the static pressure and the discharge air volume for each operation frequency with reference to the storage in a case where the synchronous motor operates the fluid machine, such that the discharge flow rate and the lift are obtained or the discharge air volume and the static pressure are obtained, or
• in a case where the set of the discharge pressure, the suction pressure, and the cage height is acquired,
• determines the total lift or the static pressure by using the discharge pressure, the suction pressure, and the cage height,
• specifies the discharge flow rate corresponding to the total lift or the discharge air volume corresponding to the static pressure in the characteristic data of the total lift and the discharge flow rate or the characteristic data of the static pressure and the discharge air volume in the storage in a case where the induction motor operates the fluid machine, and
• determines the operation frequency of the inverter by performing collation with the characteristic data of the total lift and the discharge flow rate for each operation frequency or the characteristic data of the static pressure and the discharge air volume for each operation frequency with reference to the storage in a case where the synchronous motor operates the fluid machine, such that the specified discharge flow rate and the lift are obtained or the specified discharge air volume and the determined static pressure are obtained.

An information processing method of determining an operation frequency of an inverter connected to a target fluid machine including a rotor blade, the information processing method comprising:

• a step of acquiring a discharge flow rate or a discharge air volume of the target fluid machine in addition to model identification information of the target fluid machine, or acquiring a set of discharge pressure, suction pressure, and a cage height in addition to the model identification information of the target fluid machine;
• and
• a step of
• in a case where the discharge flow rate or the discharge air volume of the target fluid machine is acquired,
• specifying a total lift corresponding to the discharge flow rate or static pressure corresponding to the discharge air volume with reference to characteristic data corresponding to the model identification information of the target fluid machine, and
• determining the operation frequency of the inverter by performing collation with characteristic data of the total lift and the discharge flow rate for each operation frequency or characteristic data of the static pressure and the discharge air volume for each operation frequency in a case where a synchronous motor operates the fluid machine, such that the discharge flow rate and the lift are obtained or the discharge air volume and the static pressure are obtained, or
• in a case where the set of the discharge pressure, the suction pressure, and the cage height is acquired,
• determining the total lift or the static pressure by using the discharge pressure, the suction pressure, and the cage height,
• specifying the discharge flow rate corresponding to the total lift or the discharge air volume corresponding to the static pressure in the characteristic data of the total lift and the discharge flow rate or the characteristic data of the static pressure and the discharge air volume in a case where an induction motor operates the fluid machine, and
• determining the operation frequency of the inverter by performing collation with the characteristic data of the total lift and the discharge flow rate for each operation frequency or the characteristic data of the static pressure and the discharge air volume for each operation frequency in a case where the synchronous motor operates the fluid machine, such that the specified discharge flow rate and the lift are obtained or the specified discharge air volume and the determined static pressure are obtained.