CN-122001093-A - Power management system

Abstract

The invention provides a power management system capable of reducing the communication volume between a controller and a server. A power management system for managing power consumption of a consumer facility includes an EMS controller that acquires information from each of a plurality of devices provided in the consumer facility and controls one or more control target devices among the plurality of devices in accordance with a control instruction, and an energy management server that generates the control instruction based on the information. The EMS controller switches whether transmission of information to the energy management server is executable or not.

Inventors

• Harasaki Taiki
• NARITA KOHEI

Assignees

• 丰田自动车株式会社

Dates

Publication Date

20260508

Application Date

20251023

Priority Date

20241108

Claims (5)

1. 1. A power management system for managing power consumption of a utility, the power management system comprising: a controller that acquires information from each of a plurality of devices provided in the consumer facility and controls one or more control target devices among the plurality of devices in accordance with a control instruction, and A server that generates the control instruction based on the information, The controller switches whether transmission of the information to the server is executable or not.
2. 2. The power management system of claim 1, wherein, The controller or the server determines a period of time in which the peak of the power consumption is not expected to occur based on the performance of the power consumption in the utility, The controller does not perform transmission of the information to the server according to the case where the current time is included in the period.
3. 3. The power management system of claim 1, wherein, The controller or the server determines a period or time period during which the demand response request is not expected to occur based on the performance of the demand response request, The controller does not perform transmission of the information to the server according to a case where the current time is included in the period or the period of time.
4. 4. A power management system according to any one of claim 1 to 3, The plurality of devices include a charge-discharge device that charges and discharges an electric vehicle, The information includes 1 st information acquired from the charge and discharge device, The controller does not perform transmission of the 1 st information to the server according to a case where the electric vehicle is not connected to the charge and discharge device.
5. 5. A power management system according to any one of claim 1 to 3, The plurality of devices includes an air conditioner, The information includes the 2 nd information acquired from the air conditioner, The controller does not perform transmission of the 2 nd information to the server according to a case where the operation state of the air conditioner is not changed.

Description

Power management system Technical Field The present invention relates to a power management system, and more particularly, to a power management system that manages power consumption of a utility. Background Conventionally, a power management system for managing power consumption of a consumer facility has been developed. For example, japanese patent application laid-open No. 2015-056996 (patent document 1) discloses a peak clipping device provided with a controller that drives and controls a bidirectional inverter based on electric power measured by a pulse detector so that an average electric power value for a certain period of time does not exceed a predetermined electric power value. Patent document 1 Japanese patent application laid-open No. 2015-056996 Patent document 2 International publication No. 2023/002634 Patent document 3 International publication No. 2014/017454 Disclosure of Invention In recent years, from the viewpoints of function update and demand response implementation, control logic of a controller provided in a peak clipping device is generally implemented in a server provided in a cloud. That is, the controller provided in the consumer facility does not have control logic, but functions as a gateway for transmitting information between the server and each device provided in the consumer facility. At this time, the controller transmits information acquired from each device to the server, and receives a control instruction indicating the control content of each device from the server. Therefore, the amount of communication between the controller and the server becomes large. As a result, the cost of the resources constituting the server increases. The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a power management system capable of reducing the amount of communication between a controller and a server. The power management system according to one embodiment of the present invention manages power consumption of a consumer facility. The power management system is provided with a controller that acquires information from each of a plurality of devices provided in a consumer facility and controls one or more control target devices among the plurality of devices in accordance with a control instruction, and a server that generates the control instruction based on the information. The controller switches whether transmission of information to the server is executable or not. Effects of the invention According to the power management system of the present invention, the amount of communication between the controller and the server is reduced. Drawings Fig. 1 is a diagram showing an overall configuration of a power management system according to an embodiment. Fig. 2 is a flowchart showing a flow of processing in the energy management system. Fig. 3 is a flowchart showing the flow of the 1 st preparation process in step S2 shown in fig. 2. Fig. 4 is a flowchart showing a flow of the 2 nd preparation process in step S2 shown in fig. 2. Fig. 5 is a diagram showing an example of a condition table usable in step S2 shown in fig. 2. Fig. 6 is a flowchart showing a flow of the process of the subroutine of step S2 shown in fig. 2. Detailed Description Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same or corresponding parts in the drawings are denoted by the same reference numerals, and description thereof will not be repeated. Fig. 1 is a diagram showing an overall configuration of a power management system according to an embodiment. The power management system 1 shown in fig. 1 manages power consumption of the consumer facility 2. The utility facility 2 includes a single house, apartment, store, factory, business facility, medical facility, educational facility, public facility, building, and the like. As shown in fig. 1, the power management system 1 includes an energy management system controller (hereinafter, referred to as "EMS controller 10"), a plurality of devices 20 installed in the consumer facility 2, and an energy management server 30. The EMS controller 10 is communicatively connected with the energy management server 30 via a communication network. The communication network typically comprises the internet. The plurality of devices 20 includes devices that measure power consumption and electrical devices that consume power. For example, the plurality of devices 20 include a smart meter 21, a charge/discharge device 22, an air conditioner 23, one or more electrical devices 24, and one or more power measuring devices 25. The smart meter 21 has a function of measuring the power consumption of the consumer facility and a function of communicating the measurement result with an electric power company or the like. The charge/discharge device 22 charges the electric vehicle 5 or discharges electric power stored in the electric vehicle