# US 10,700,528 B2 · Method for controlling electric power conversion system and control arrangement for electric power conversion system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,700,528 B2 - Document ID: US10700528B2 - Status: Granted - Kind: B2 - Application number: 15/897,394 - Filed: 2018-02-15 - Published: 2018-08-16 - Granted: 2020-06-30 - Earliest claimed: 2017-02-15 - Assignees: ABB Schweiz AG - Applicants: ABB Schweiz AG - Inventors: Jani Kangas; Tomi Riipinen - Web page: https://patentgrep.com/patent/US10700528B2 ## CPC - H02M 1/00: Details of apparatus for conversion - G05B 19/0426: {Programming the control sequence} - 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 3/381: {Dispersed generators} - H02J 3/46: Controlling the sharing of generated power between the generators, sources or networks - H02J 13/12: Monitoring network conditions, e.g. electrical magnitudes or operational status - H02M 3/00: Conversion of DC power input into DC power output - H02M 5/00: Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases - H02M 7/00: Conversion of AC power input into DC power output; Conversion of DC power input into AC power output - H02M 11/00: Power conversion systems not covered by the preceding groups - G05B 2219/23146: Programmable, reconfigurable via microprocessor or coding switches - G05B 2219/23456: Model machine for simulation - H02J 2101/24: Photovoltaics - H02J 2101/25: {involving maximum power point tracking control for photovoltaic sources} - H02J 2103/30: Simulating, planning, modelling, reliability check or computer assisted design [CAD] of electric power networks - H02M 1/0012: {Control circuits using digital or numerical techniques (in DC/DC converters H02M3/157, H02M3/33515; in DC-AC converters H02M7/53873)} - Y02E 10/56: Power conversion systems, e.g. maximum power point trackers - 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 10/30: State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge - H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) - 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 method and a control arrangement for an electric power conversion system including a plurality of electric power converters, the control arrangement configured to collect data related to the electric power conversion system, determine an optimal configuration for each one of the electric power converters of the electric power conversion system on the basis of collected data through a simulation of the electric power conversion system generate, for each one of the electric power converters, a source code for a firmware of the electric power converter on the basis of the determined optimal configuration for the electric power converter in question, and re-program each one of the electric power converters with the respective source code generated for the electric power converter in question. ## Claims ### Claim 1 A method for controlling an electric power conversion system comprising a plurality of electric power converters, the method comprising: a) collecting data related to the electric power conversion system, wherein the collected data related to the electric power conversion system comprises data of an electric system supplied by the electric power conversion system comprising a grid impedance; b) determining an optimal configuration for each one of the electric power converters of the electric power conversion system on a basis of the collected data through a simulation of the electric power conversion system, wherein the determined configuration for each one of the electric power converters comprises a droop factor and current controller parameters; c) generating, for each one of the electric power converters, a firmware of the electric power converter on a basis of the determined optimal configuration for the respective electric power converter; and d) re-programming each one of the electric power converters with the respective firmware generated for the respective electric power converter. ### Claim 2 (depends on 1) The method of claim 1, comprising running the electric power conversion system at least during step a) and after step d). ### Claim 3 (depends on 1) The method of claim 1, wherein the optimal configuration for each one of the electric power converters of the electric power conversion system optimizes a power output of the electric power conversion system. ### Claim 4 (depends on 1) The method of claim 1, wherein the collected data related to the electric power conversion system further comprises at least one of: data of the electric power conversion system, and data of an electric system supplying the electric power conversion system. ### Claim 5 (depends on 1) The method of claim 1, wherein the collected data comprises measured data. ### Claim 6 (depends on 1) The method of claim 1, wherein the configuration for the electric power converter comprises at least one of: one or more operational values of the converter, a current controller type of the converter, and a modulator type of the converter. ### Claim 7 (depends on 1) The method of claim 1, wherein the re-programming of each one of the electric power converters comprises re-programming a controller of each one of the electric power converters. ### Claim 8 (depends on 1) The method of claim 1, wherein steps a) to d) are performed at predetermined intervals and/or in response to one or more predetermined conditions being fulfilled. ### Claim 9 (depends on 1) A computer program product comprising computer program code embodied on a non-transitory computer readable medium, wherein execution of the program code in a computer causes the computer to carry out the steps of the method according to claim 1. ### Claim 10 A control arrangement for an electric power conversion system comprising a plurality of electric power converters, the control arrangement being configured to: collect data related to the electric power conversion system, wherein the collected data related to the electric power conversion system comprises data of an electric system supplied by the electric power conversion system comprising a grid impedance; determine an optimal configuration for each one of the electric power converters of the electric power conversion system on a basis of the collected data through a simulation of the electric power conversion system, wherein the determined configuration for each one of the electric power converters comprises a droop factor and current controller parameters; generate, for each one of the electric power converters, a firmware of the electric power converter on a basis of the determined optimal configuration for the respective electric power converter; and re-program each one of the electric power converters with the respective firmware generated for the respective electric power converter. ### Claim 11 (depends on 10) The control arrangement of claim 10, wherein the optimal configuration for each one of the electric power converters of the electric power conversion system optimizes a power output of the electric power conversion system. ### Claim 12 (depends on 10) The control arrangement of claim 10, wherein the collected data related to the electric power conversion system further comprises at least one of: data of the electric power conversion system, and data of an electric system supplying the electric power conversion system. ### Claim 13 (depends on 10) The control arrangement of claim 10, wherein the control arrangement is configured to collect data by measuring and/or receiving data. ### Claim 14 (depends on 10) The control arrangement of claim 10, wherein the configuration for the electric power converter comprises at least one of: one or more operational values of the converter, a current controller type of the converter, and a modulator type of the converter. ### Claim 15 (depends on 10) The control arrangement of claim 10, wherein the control arrangement is configured to re-program a controller of each one of the electric power converters. ### Claim 16 (depends on 10) An electric power conversion system comprising a plurality of electric power converters and the control arrangement as claimed in claim 10. ### Claim 17 An apparatus for configuring an electric power conversion system comprising electric power converters, the apparatus comprising a processor and a memory storing instructions that, when executed by the processor, cause the apparatus to: collect data related to the electric power conversion system, wherein the collected data related to the electric power conversion system comprises data of an electric system supplied by the electric power conversion system comprising a grid impedance; determine an optimal configuration for each one of the electric power converters of the electric power conversion system on a basis of the collected data through a simulation of the electric power conversion system, wherein the determined configuration for each one of the electric power converters comprises a droop factor and current controller parameters; generate, for each one of the electric power converters, an individual firmware of the electric power converter on a basis of the determined optimal configuration for the respective electric power converter; and re-program each one of the electric power converters with the respective individual firmware generated for the respective electric power converter.