Patents by Inventor Jae-seong Shim
Jae-seong Shim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11025091Abstract: A hierarchical power control system associated with a cloud server includes a first microgrid cell, a second microgrid cell, a third microgrid cell, a middleware server, and an integrated control system. The first microgrid cell includes a first energy storage system (ESS) having an uninterruptible power supply (UPS) structure and a first load having a power state managed by the first energy storage system (ESS). The second microgrid cell includes a second load and a second energy storage system (ESS) for managing a power state of the second load. The third microgrid cell includes a third load. The middleware server communicates with the first to third microgrid cells. The integrated control system receives power supply-demand state information of the first to third microgrid cells through the middleware server, and establishes an integrated operation schedule based on the received power supply-demand state information of the first to third microgrid cells.Type: GrantFiled: March 13, 2020Date of Patent: June 1, 2021Assignee: LSIS CO., LTD.Inventors: Jae-Seong Shim, Myung-Hwan Lee, Yong-Hark Shin
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Publication number: 20200220380Abstract: A hierarchical power control system associated with a cloud server includes a first microgrid cell, a second microgrid cell, a third microgrid cell, a middleware server, and an integrated control system. The first microgrid cell includes a first energy storage system (ESS) having an uninterruptible power supply (UPS) structure and a first load having a power state managed by the first energy storage system (ESS). The second microgrid cell includes a second load and a second energy storage system (ESS) for managing a power state of the second load. The third microgrid cell includes a third load. The middleware server communicates with the first to third microgrid cells. The integrated control system receives power supply-demand state information of the first to third microgrid cells through the middleware server, and establishes an integrated operation schedule based on the received power supply-demand state information of the first to third microgrid cells.Type: ApplicationFiled: March 13, 2020Publication date: July 9, 2020Inventors: Jae-Seong SHIM, Myung-Hwan LEE, Yong-Hark SHIN
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Patent number: 10700521Abstract: The present disclosure relates to a hierarchical type power control system. The hierarchical type power control system connected to a cloud server includes: a first microgrid cell including a first energy storage system (ESS) having an uninterruptible power supply (UPS) structure and a first load that a power state thereof is managed by the first ESS; a second microgrid cell including a second load and a second ESS managing a power state of the second load; a third microgrid cell including a third load; a middleware server communicating with the first to third microgrid servers; and an integrated control system communicating the middleware server and integrally controlling power supply states of the first to third microgrid cells, wherein the first microgrid cell and the second microgrid cell are connected to each other through a converter to interchange power therebetween.Type: GrantFiled: April 27, 2018Date of Patent: June 30, 2020Assignee: LSIS CO., LTD.Inventors: Jae-Seong Shim, Myung-Hwan Lee, Yong-Hark Shin
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Patent number: 10637288Abstract: A hierarchical power control system associated with a cloud server includes a first microgrid cell, a second microgrid cell, a third microgrid cell, a middleware server, and an integrated control system. The first microgrid cell includes a first energy storage system (ESS) having an uninterruptible power supply (UPS) structure and a first load having a power state managed by the first energy storage system (ESS). The second microgrid cell includes a second load and a second energy storage system (ESS) for managing a power state of the second load. The third microgrid cell includes a third load. The middleware server communicates with the first to third microgrid cells. The integrated control system receives power supply-demand state information of the first to third microgrid cells through the middleware server, and establishes an integrated operation schedule based on the received power supply-demand state information of the first to third microgrid cells.Type: GrantFiled: April 27, 2018Date of Patent: April 28, 2020Assignee: LSIS CO., LTD.Inventors: Jae-Seong Shim, Myung-Hwan Lee, Yong-Hark Shin
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Patent number: 10348098Abstract: The present invention relates to a micro-grid system including a load. The load includes: a distributed power source including one or more elements which generate power; and a controller configured to derive a first load pattern by measuring load data of the load when the load is added to the micro-grid system established in advance, compare the first load pattern with a preset load pattern for each load type, and operate the distributed power source based on a result of the comparison.Type: GrantFiled: November 10, 2016Date of Patent: July 9, 2019Assignee: LSIS CO., LTD.Inventors: Yong-Hark Shin, Jae-Seong Shim, Chong-Suk Song
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Patent number: 10330733Abstract: Disclosed herein is an apparatus for updating charging/discharging efficiency factors of an energy storage system. The apparatus includes: a correlation coefficient calculate unit configured to calculate correlation coefficients between n charging/discharging reference values input to the energy storage system during a predetermined update cycle and (n+k) charging/discharging power values measured in the energy storage system after the predetermined update cycle has started, where n and k are natural numbers; a selection unit configured to select n charging/discharging power values corresponding to the n charging/discharging reference values among the (n+k) charging/discharging power values based on correlation coefficients; and an update unit configured to update the charging/discharging efficiency factors set for each power range with n charging/discharging efficiency factors calculated by using the n charging/discharging reference values and the selected n charging/discharging power values.Type: GrantFiled: March 23, 2017Date of Patent: June 25, 2019Assignee: LSIS CO., LTD.Inventor: Jae-Seong Shim
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Publication number: 20180316187Abstract: The present disclosure relates to a hierarchical type power control system. The hierarchical type power control system connected to a cloud server includes: a first microgrid cell including a first energy storage system (ESS) having an uninterruptible power supply (UPS) structure and a first load that a power state thereof is managed by the first ESS; a second microgrid cell including a second load and a second ESS managing a power state of the second load; a third microgrid cell including a third load; a middleware server communicating with the first to third microgrid servers; and an integrated control system communicating the middleware server and integrally controlling power supply states of the first to third microgrid cells, wherein the first microgrid cell and the second microgrid cell are connected to each other through a converter to interchange power therebetween.Type: ApplicationFiled: April 27, 2018Publication date: November 1, 2018Inventors: Jae-Seong SHIM, Myung-Hwan LEE, Yong-Hark SHIN
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Publication number: 20180316222Abstract: A hierarchical power control system associated with a cloud server includes a first microgrid cell, a second microgrid cell, a third microgrid cell, a middleware server, and an integrated control system. The first microgrid cell includes a first energy storage system (ESS) having an uninterruptible power supply (UPS) structure and a first load having a power state managed by the first energy storage system (ESS). The second microgrid cell includes a second load and a second energy storage system (ESS) for managing a power state of the second load. The third microgrid cell includes a third load. The middleware server communicates with the first to third microgrid cells. The integrated control system receives power supply-demand state information of the first to third microgrid cells through the middleware server, and establishes an integrated operation schedule based on the received power supply-demand state information of the first to third microgrid cells.Type: ApplicationFiled: April 27, 2018Publication date: November 1, 2018Inventors: Jae-Seong SHIM, Myung-Hwan LEE, Yong-Hark SHIN
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Patent number: 10110004Abstract: A power management system is provided. The power management system includes a battery energy storage system (BESS) configured to obtain a state of charge (SOC) information, the state of charge (SOC) information including a charge state of the battery and a charging control unit configured to control charging or discharging of the BESS. The charging control unit is configured to compare a desired SOC and a measured SOC based on the obtained SOC information, and regulate a charging power value of a battery and a discharging power of the battery to match with the desired SOC, when as a result of comparison, the desired SOC and the measured SOC are different from each other.Type: GrantFiled: January 15, 2016Date of Patent: October 23, 2018Assignee: LSIS CO., LTD.Inventor: Jae Seong Shim
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Patent number: 10090685Abstract: Disclosed is a power supply system. A power supply system according to an embodiment includes a system control unit configured to set a first system droop curve for a plurality of batteries and a charging control unit configured to control charging/discharging of the plurality of batteries on the basis of the first system droop curve.Type: GrantFiled: December 4, 2015Date of Patent: October 2, 2018Assignee: LSIS CO., LTD.Inventor: Jae Seong Shim
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Publication number: 20180172774Abstract: Disclosed herein is an apparatus for updating charging/discharging efficiency factors of an energy storage system. The apparatus includes: a correlation coefficient calculate unit configured to calculate correlation coefficients between n charging/discharging reference values input to the energy storage system during a predetermined update cycle and (n+k) charging/discharging power values measured in the energy storage system after the predetermined update cycle has started, where n and k are natural numbers; a selection unit configured to select n charging/discharging power values corresponding to the n charging/discharging reference values among the (n+k) charging/discharging power values based on correlation coefficients; and an update unit configured to update the charging/discharging efficiency factors set for each power range with n charging/discharging efficiency factors calculated by using the n charging/discharging reference values and the selected n charging/discharging power values.Type: ApplicationFiled: March 23, 2017Publication date: June 21, 2018Inventor: Jae-Seong SHIM
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Patent number: 9859815Abstract: An energy storage system including a plurality of loads each converting direct current (DC) power stored in a battery thereof into alternating current (AC) power and outputting the AC power, a plurality of slave power controllers detecting zero crossing points of AC voltage signals output from one of the plurality of loads and controlling the plurality of loads in accordance with a control signal received from a master power controller, and the master power controller controlling the plurality of slave power controllers so as to control the plurality of loads in accordance with the control signal received from the master power controller after a preset time has lapsed since the detected zero crossing point.Type: GrantFiled: February 2, 2016Date of Patent: January 2, 2018Assignee: LSIS CO., LTD.Inventor: Jae Seong Shim
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Patent number: 9851409Abstract: A method for controlling energy storage device includes determining whether the operating frequency of the system falls within a dead band range corresponding to a preset frequency range, determining whether an SOC level indicating the charging amount of the energy storage device falls within a preset maintaining range, in a case where the operating frequency falls within the dead band range, and adjusting the SOC level so that the SOC level falls within the maintaining range in a case where the operating frequency of the system falls within the dead band range and the SOC level is outside the preset maintaining range, wherein the maintaining range represents a range between a preset lower limit and a preset upper limit.Type: GrantFiled: January 7, 2016Date of Patent: December 26, 2017Assignee: LSIS CO., LTD.Inventor: Jae Seong Shim
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Patent number: 9806525Abstract: An energy storage system is provided. The energy storage system including a battery includes a battery management system (BMS) monitoring a battery state of the battery and controlling charging and discharging operations of the battery; and a power condition system (PCS) determining a desired control value of the battery, obtaining power market adjustment rule information on a power market including the energy storage system, calculating a deadband value for the desired control value based on the obtained power market adjustment rule information, and controlling the BMS controlling the charging and discharging operations of the battery based on the calculated deadband value for the desired control value and the monitored battery state.Type: GrantFiled: November 30, 2015Date of Patent: October 31, 2017Assignee: LSIS CO., LTD.Inventor: Jae Seong Shim
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Publication number: 20170187196Abstract: The present invention relates to a micro-grid system including a load. The load includes: a distributed power source including one or more elements which generate power; and a controller configured to derive a first load pattern by measuring load data of the load when the load is added to the micro-grid system established in advance, compare the first load pattern with a preset load pattern for each load type, and operate the distributed power source based on a result of the comparison.Type: ApplicationFiled: November 10, 2016Publication date: June 29, 2017Inventors: Yong-Hark SHIN, Jae-Seong SHIM, Chong-Suk SONG
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Publication number: 20160315468Abstract: An energy storage system including a plurality of loads each converting direct current (DC) power stored in a battery thereof into alternating current (AC) power and outputting the AC power, a plurality of slave power controllers detecting zero crossing points of AC voltage signals output from one of the plurality of loads and controlling the plurality of loads in accordance with a control signal received from a master power controller, and the master power controller controlling the plurality of slave power controllers so as to control the plurality of loads in accordance with the control signal received from the master power controller after a preset time has lapsed since the detected zero crossing point.Type: ApplicationFiled: February 2, 2016Publication date: October 27, 2016Applicant: LSIS CO., LTD.Inventor: JAE SEONG SHIM
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Publication number: 20160268802Abstract: A method for controlling energy storage device includes determining whether the operating frequency of the system falls within a dead band range corresponding to a preset frequency range, determining whether an SOC level indicating the charging amount of the energy storage device falls within a preset maintaining range, in a case where the operating frequency falls within the dead band range, and adjusting the SOC level so that the SOC level falls within the maintaining range in a case where the operating frequency of the system falls within the dead band range and the SOC level is outside the preset maintaining range, wherein the maintaining range represents a range between a preset lower limit and a preset upper limit.Type: ApplicationFiled: January 7, 2016Publication date: September 15, 2016Applicant: LSIS CO., LTD.Inventor: JAE SEONG SHIM
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Publication number: 20160268804Abstract: A power management system is provided. The power management system includes a battery energy storage system (BESS) configured to obtain a state of charge (SOC) information, the state of charge (SOC) information including a charge state of the battery and a charging control unit configured to control charging or discharging of the BESS. The charging control unit is configured to compare a desired SOC and a measured SOC based on the obtained SOC information, and regulate a charging power value of a battery and a discharging power of the battery to match with the desired SOC, when as a result of comparison, the desired SOC and the measured SOC are different from each other.Type: ApplicationFiled: January 15, 2016Publication date: September 15, 2016Applicant: LSIS CO., LTD.Inventor: JAE SEONG SHIM
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Publication number: 20160268818Abstract: Disclosed is a power supply system. A power supply system according to an embodiment includes a system control unit configured to set a first system droop curve for a plurality of batteries and a charging control unit configured to control charging/discharging of the plurality of batteries on the basis of the first system droop curve.Type: ApplicationFiled: December 4, 2015Publication date: September 15, 2016Applicant: LSIS CO., LTD.Inventor: Jae Seong SHIM
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Publication number: 20160248248Abstract: Disclosed is a power supply system. A power supply system according to an embodiment includes a charging control unit configured to control charging/discharging of a battery energy storage system, and a system control unit configured to receive an electric energy amount output from the battery energy storage system, determine an amount of electric energy to be distributed to each of a plurality of charging control units on the basis of the received electric energy amount and rated outputs of the charging control units, and control the charging control units in parallel on the basis of a result of the determining.Type: ApplicationFiled: December 3, 2015Publication date: August 25, 2016Applicant: LSIS CO., LTD.Inventor: JAE SEONG SHIM