# US 11,906,942 B2 · Power grid controller device and system

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- Number: US 11,906,942 B2
- Document ID: US11906942B2
- Status: Granted
- Kind: B2
- Application number: 17/312,267
- Filed: 2019-11-15
- Published: 2022-02-03
- Granted: 2024-02-20
- Earliest claimed: 2018-12-18
- Assignees: Hyosung Heavy Industries Corporation
- Applicants: Hyosung Heavy Industries Corporation
- Inventors: Bo Gun Jin; Dae Geun Jin; Jae Sun Huh
- Web page: https://patentgrep.com/patent/US11906942B2

## CPC

- G05B 19/042: using digital processors (G05B19/05 takes precedence)
- H02J 3/381: {Dispersed generators}
- H02J 3/00: Circuit arrangements for AC mains or AC distribution networks
- H02J 3/38: Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
- H02J 13/13: characterised by the transmission of data to equipment in the power network
- G05B 2219/2639: Energy management, use maximum of cheap power, keep peak load low
- H02J 3/003: {Load forecast, e.g. methods or systems for forecasting future load demand}
- H02J 3/004: {Generation forecast, e.g. methods or systems for forecasting future energy generation}
- H02J 2101/20: Dispersed power generation using renewable energy sources
- H02J 2103/30: Simulating, planning, modelling, reliability check or computer assisted design [CAD] of electric power networks
- H02J 2105/10: Local stationary networks having a local or delimited stationary reach
- Y02E 40/70: Smart grids as climate change mitigation technology in the energy generation sector
- Y02E 60/00: Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y04S 10/123: the energy generation units being or involving renewable energy sources
- Y04S 40/20: Information technology specific aspects, e.g. CAD, simulation, modelling, system security
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS

## Abstract

A power grid control device of the present invention may comprise: a grid input interface for receiving an input of information on an operation state of a power grid; a grid output interface for outputting a signal for operating the power grid; a communication interface for performing data communication with a remote device; a component unit in which a plurality of software components for performing individual functions required for operating the power grid are stored; and a processing module for executing the components to process a work required for the operation of the power grid.

## Claims

### Claim 1

A power grid controller, comprising:
a grid input interface for receiving information on operating state of a power grid;
a grid output interface for outputting a signal for operating the power grid;
a communication interface for performing data communication with a remote device;
a component storage with a plurality of software components for performing individual functions to operate the power grid; and
for executing the components to process a work required to operate the power grid,
wherein the component processor is configured to store the components received from a remote management system server, delete or add the stored components, and change an order of execution, and
wherein the component processor is further configured to delete or add the components in the component storage or change the order of execution depending on a country or an administrative area where the power grid is installed and serviced or an electricity supplier of a superordinate power grid.

### Claim 2 (depends on 1)

The controller of claim 1, wherein the component processor processes an individual work required to operate the power grid in an implementation order of components classified by a process function, and transmits a result of processing the individual work.

### Claim 3 (depends on 1)

The controller of claim 1, wherein the components are classified into a planning set for predicting power generation situations and load situations and planning operation strategies and operation schedules, and an operation set of controlling elements of the power grid depending on the operation schedules.

### Claim 4 (depends on 3)

The controller of claim 3, wherein the planning set includes: a power generation-forecasting group for forecasting power generation amount of each power source included in the power grid from weather information received from outside and accumulated weather information; a load-forecasting group for forecasting power consumption of each load in the power grid from accumulated power consumption information; an analysis group for analyzing electricity transactions from a superordinate grid; and a power generation planning group for determining an optimal power generation schedule of a controllable power source.

### Claim 5 (depends on 3)

The controller of claim 3, wherein the operation set includes: a power-compensating group for performing a function of compensating power in the power grid; a grid control group for controlling a configuration of the power grid; a dispatch group for controlling output of a power source depending on an optimal power generation schedule and performing load shedding and linkage; and a monitoring group for monitoring operating state of the power grid.

### Claim 6

A power grid control system, comprising:
a grid power controller including:
a grid input interface for receiving information on operating state of a power grid;
a grid output interface for outputting a signal for operating the power grid;
a communication interface for performing data communication with a remote device;
a component storage with a plurality of software components for performing individual functions to operate the power grid; and
a component processor for executing the components to process a work required to operate the power grid; and
a remote supporting server, including:
a component database for storing components to be transmitted to the power grid controller;
a communication interface for performing data communication with the power grid controller;
a grid managing processor for performing a work of management of the power grid and the power grid controller;
a grid database for storing information on management of the power grid and the power grid controller;
a components-combining processor for configuring combinations of components to be provided to each power grid controller; and
a component managing processor for managing the components stored in the component database.