# US 10,312,682 B2 · Device and method for assessing dynamic stability > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,312,682 B2 - Document ID: US10312682B2 - Status: Granted - Kind: B2 - Application number: 15/097,031 - Filed: 2016-04-12 - Published: 2016-10-13 - Granted: 2019-06-04 - Earliest claimed: 2015-04-13 - Assignees: Lsis Co., Ltd. - Applicants: Lsis Co., Ltd. - Inventors: Hong Joo Kim; Ae Kyoung Bae; Young In Kim; Yoon Sung Cho - Web page: https://patentgrep.com/patent/US10312682B2 ## CPC - H02J 3/0014: for preventing or reducing power oscillations in networks - G01R 19/2513: {Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging} - G01R 21/133: by using digital technique - G05B 15/02: electric - G06Q 50/06: Energy or water supply - H02J 3/00: Circuit arrangements for AC mains or AC distribution networks - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - 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) - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR ## Abstract A dynamic stability assessment device is provided. The dynamic stability assessment device includes an energy management system (EMS); and a dynamic stability assessment system for dynamic stability assessment on a power system of the energy management system. The EMS includes a plurality of facility names with respect to a single facility, and processes to power system data based on any one of the plurality of facility names according to a state of the power system. ## Claims ### Claim 1 A dynamic stability assessment device comprising: an energy management system (EMS); and a dynamic stability assessment system for dynamic stability assessment on a power system of the energy management system, wherein the EMS comprises: an EMS DB that stores power system data for energy management, a display unit configured to output a dynamic stability assessment result, and a control unit configured to process the power system data stored in the EMS DB and to provide the processed power system data to the dynamic stability assessment system, wherein the dynamic stability assessment system is configured to perform the dynamic stability assessment through the processed power system data, wherein the control unit is further configured to generate a plurality of facility names with respect to a single facility and process the power system data based on a facility name among the plurality of facility names according to an operating condition of a current status of the power system, wherein each of the plurality of facility names comprises a facility type, an equipment name, a node name, and an operation control scheme, and wherein each of the facility type, the equipment name, and the node name of each of the plurality of facility names with respect to the single facility are the same among the plurality of facility names, and the operation control scheme of each of the plurality of facility names with respect to the single facility is different from each other among the plurality of facility names. ### Claim 2 (depends on 1) The dynamic stability assessment device according to claim 1, wherein a real-time data link program is used for data transmission and reception between the EMS and the dynamic stability assessment system. ### Claim 3 (depends on 2) The dynamic stability assessment device according to claim 2, wherein the real-time data link program uses a data format into which the plurality of facility names are inserted, for each facility. ### Claim 4 (depends on 1) The dynamic stability assessment device according to claim 1, wherein an operation facility name, and an operation control mode are added as an operation name for the operation control scheme. ### Claim 5 (depends on 1) The dynamic stability assessment device according to claim 1, wherein the dynamic stability assessment system performs dynamic stability assessment after an action according to the operation control scheme is taken. ### Claim 6 A dynamic stability assessment method comprising: providing, by an energy management system (EMS), power system data; reflecting, by the dynamic stability assessment system, an operation control scheme by using the power system data provided from the EMS to perform a dynamic stability assessment operation; providing, by the dynamic stability assessment system, an assessment result to the EMS; outputting, by the EMS, the assessment result; generating, by the EMS, a plurality of facility names with respect to a single facility; and processing, by the EMS, the power system data based on a facility name among the plurality of facility names according to an operating condition of a current power system, wherein each of the plurality of the facility names comprises a facility type, an equipment name, a node name, and the operation control scheme, and wherein each of the facility type, the equipment name, and the node name of each of the plurality of facility names with respect to the single facility are the same among the plurality of facility names, and the operation control scheme of each of the plurality of facility names with respect to the single facility is different from each other among the plurality of facility names. ### Claim 7 (depends on 6) The dynamic stability assessment method according to claim 6, wherein the dynamic stability assessment operation is performed based on at least one pre-stored scenario. ### Claim 8 (depends on 6) The dynamic stability assessment method according to claim 6, further comprising receiving further power system data from the EMS, when it is difficult for the dynamic stability assessment system to determine dynamic stability. ### Claim 9 (depends on 6) The dynamic stability assessment method according to claim 6, wherein a real-time data link program is used for data transmission and reception between the EMS and the dynamic stability assessment system. ### Claim 10 (depends on 9) The dynamic stability assessment method according to claim 9, wherein the real-time data link program uses a data format into which the plurality of facility names are inserted for each facility.