Patents by Inventor Byung-Kwan Kang
Byung-Kwan Kang 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).
-
Patent number: 11371204Abstract: A ring-shaped cofferdam and temporary pit excavation structure using tapered square pipes includes a plurality of tapered square pipes a trapezoidal cross-section, in which the plurality of tapered square pipes each have a coupling protrusion or a coupling groove formed in a longitudinal direction on a first side, the plurality of tapered square pipes each have a coupling protrusion or a coupling groove formed in the longitudinal direction on a second side, the plurality of tapered square pipes are assembled by coupling the coupling protrusions and the coupling grooves, a long side of two parallel sides of the trapezoid is disposed outside, and a short side is disposed inside.Type: GrantFiled: April 3, 2019Date of Patent: June 28, 2022Inventor: Byung Kwan Kang
-
Publication number: 20210348358Abstract: A ring-shaped cofferdam and temporary pit excavation structure using tapered square pipes includes a plurality of tapered square pipes a trapezoidal cross-section, in which the plurality of tapered square pipes each have a coupling protrusion or a coupling groove formed in a longitudinal direction on a first side, the plurality of tapered square pipes each have a coupling protrusion or a coupling groove formed in the longitudinal direction on a second side, the plurality of tapered square pipes are assembled by coupling the coupling protrusions and the coupling grooves, a long side of two parallel sides of the trapezoid is disposed outside, and a short side is disposed inside.Type: ApplicationFiled: April 3, 2019Publication date: November 11, 2021Inventor: Byung Kwan KANG
-
Publication number: 20210224366Abstract: Provided are a system and method of managing electric power equipment having a biometric information recognition function, for preventing the risk of an accident by installing an examination unit for directly examining and checking important checklist items along with a biometric information recognition unit for recognizing biometric information of a safety manager, in the electric power equipment, in order to periodically manage the electric power equipment.Type: ApplicationFiled: September 27, 2018Publication date: July 22, 2021Applicant: DIK Co., Ltd.Inventors: Byung Kwan KANG, Seoung Uk JEON
-
Publication number: 20200313432Abstract: Provided are an energy management system of a sunlight/ESS device for tracking a generation reference and a method of controlling the same, for further increasing a lifespan of a battery and well as earning revenue of a power producer by tracking predicted generation information, charging an ESS, and selling the power during production and selling of power from the sunlight/ESS device.Type: ApplicationFiled: December 5, 2017Publication date: October 1, 2020Inventors: Byung Kwan KANG, Seoung Uk JEON
-
Patent number: 10003199Abstract: A power supply system includes: an electricity generation device configured to generate electrical energy; a plurality of DC/AC converters configured to convert the electrical energy into AC; and a battery energy storage system (BESS) configured to receive and charge the electrical energy and supplies the electrical energy to the plurality of DC/AC converters by discharging the charged electrical energy. The electrical energy generated by the electricity generation device charges the BESS without going through the plurality of DC/AC converters.Type: GrantFiled: December 31, 2015Date of Patent: June 19, 2018Assignee: LSIS CO., LTD.Inventors: Yong Ho Chung, Byung Kwan Kang, Ah Ryeon Park
-
Patent number: 9954368Abstract: Provided is a Battery Energy Storage System (BESS) management device for managing a BESS for receiving and charging electrical energy and supplying the electrical energy to a DC/AC converter by discharging the charged electrical energy in a power supply system. The BESS management device includes a measurement unit configured to measure State of Charges (SOCs) of a plurality of series-connected modules or cells in the BESS and a DC power supply unit configured to supply DC power to one of the plurality of modules or one of the plurality of cells on the basis of the SOCs of the plurality of modules or cells.Type: GrantFiled: December 31, 2015Date of Patent: April 24, 2018Assignee: LSIS CO., LTD.Inventor: Byung Kwan Kang
-
Patent number: 9837822Abstract: A control device of an energy storage system is provided. The control device includes a voltage calculation unit calculating the difference between a reference voltage and a measured voltage; frequency calculation unit calculating the difference between a reference frequency and a measured frequency; a power reserve margin (PRM) calculating a ratio of reserve power to the maximum consumption of power; and a power calculation unit using, as input values, coefficients calculated at the voltage calculation unit, the frequency calculation unit and the PRM calculation unit, and calculating a switch control value of an energy storage system by further using a difference in reactive power and active power.Type: GrantFiled: July 30, 2015Date of Patent: December 5, 2017Assignee: LSIS CO., LTD.Inventors: Byung Kwan Kang, Chung Woo Lee
-
Publication number: 20160233699Abstract: Provided is a Battery Energy Storage System (BESS) management device for managing a BESS for receiving and charging electrical energy and supplying the electrical energy to a DC/AC converter by discharging the charged electrical energy in a power supply system. The BESS management device includes a measurement unit configured to measure State of Charges (SOCs) of a plurality of series-connected modules or cells in the BESS and a DC power supply unit configured to supply DC power to one of the plurality of modules or one of the plurality of cells on the basis of the SOCs of the plurality of modules or cells.Type: ApplicationFiled: December 31, 2015Publication date: August 11, 2016Applicant: LSIS CO., LTD.Inventor: BYUNG KWAN KANG
-
Publication number: 20160233674Abstract: A power supply system includes: an electricity generation device configured to generate electrical energy; a plurality of DC/AC converters configured to convert the electrical energy into AC; and a battery energy storage system (BESS) configured to receive and charge the electrical energy and supplies the electrical energy to the plurality of DC/AC converters by discharging the charged electrical energy. The electrical energy generated by the electricity generation device charges the BESS without going through the plurality of DC/AC converters.Type: ApplicationFiled: December 31, 2015Publication date: August 11, 2016Applicant: LSIS CO., LTD.Inventors: YONG HO CHUNG, BYUNG KWAN KANG, AH RYEON PARK
-
Publication number: 20160087475Abstract: A control device of an energy storage system is provided. The control device includes a voltage calculation unit calculating the difference between a reference voltage and a measured voltage; frequency calculation unit calculating the difference between a reference frequency and a measured frequency; a power reserve margin (PRM) calculating a ratio of reserve power to the maximum consumption of power; and a power calculation unit using, as input values, coefficients calculated at the voltage calculation unit, the frequency calculation unit and the PRM calculation unit, and calculating a switch control value of an energy storage system by further using a difference in reactive power and active power.Type: ApplicationFiled: July 30, 2015Publication date: March 24, 2016Applicant: LSIS CO., LTD.Inventors: BYUNG KWAN KANG, CHUNG WOO LEE
-
Patent number: 9078378Abstract: The present disclosure provides a heat emission/radiation device for a junction box printed circuit board (PCB), which allows a next-generation intelligent junction box PCB to be manufactured in a dual-layer structure that maximizes heat emission effects. In other words, the present invention provides a heat emission device for a junction box PCB, in which a PCB having an IPS semiconductor device mounted thereon is mounted as a dual-layer structure by folding, such that the PCB may be easily installed in a small space of a vehicle, and a heat absorption and emission path for effectively emitting heat generated by the PCB mounted as the dual-layer structure is formed.Type: GrantFiled: November 8, 2012Date of Patent: July 7, 2015Assignees: Hyundai Motor Company, Kia Motors Corporation, Yura Corporation Co., Ltd.Inventors: Young Jong Lee, Byung Kwan Kang, Jong Won Lee
-
Publication number: 20140009889Abstract: The present disclosure provides a heat emission/radiation device for a junction box printed circuit board (PCB), which allows a next-generation intelligent junction box PCB to be manufactured in a dual-layer structure that maximizes heat emission effects. In other words, the present invention provides a heat emission device for a junction box PCB, in which a PCB having an IPS semiconductor device mounted thereon is mounted as a dual-layer structure by folding, such that the PCB may be easily installed in a small space of a vehicle, and a heat absorption and emission path for effectively emitting heat generated by the PCB mounted as the dual-layer structure is formed.Type: ApplicationFiled: November 8, 2012Publication date: January 9, 2014Applicants: HYUNDAI MOTOR COMPANY, YURA CORPORATION CO., LTD, KIA MOTORS CORPORATIONInventors: Young Jong Lee, Byung Kwan Kang, Jong Won Lee
-
Patent number: 8552583Abstract: The present invention relates to a power supply system and method including a power generator and a storage device. Specifically, the power supply method using a power supply system which includes a power generator, a storage device, a unidirectional converter, and a bidirectional interleaved converter, and in which the other side of the unidirectional converter is connected to the other side of the bidirectional interleaved converter and power is output from the other side of the unidirectional converter, the power supply method comprises measuring one or more of an amount of power generation of the power generator and an amount of power storage of the storage device; forming a power transfer path by analyzing one or more of the amount of power generation and the amount of power storage; and controlling activation of devices on the formed power transfer path.Type: GrantFiled: September 14, 2011Date of Patent: October 8, 2013Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Jung-Wook Park, Byung-Kwan Kang, Hyun-Koo Lee, Seung-Tak Kim
-
Publication number: 20120069614Abstract: The present invention relates to a power supply system and method including a power generator and a storage device. Specifically, the power supply method using a power supply system which includes a power generator, a storage device, a unidirectional converter, and a bidirectional interleaved converter, and in which the other side of the unidirectional converter is connected to the other side of the bidirectional interleaved converter and power is output from the other side of the unidirectional converter, the power supply method comprises measuring one or more of an amount of power generation of the power generator and an amount of power storage of the storage device; forming a power transfer path by analyzing one or more of the amount of power generation and the amount of power storage; and controlling activation of devices on the formed power transfer path.Type: ApplicationFiled: September 14, 2011Publication date: March 22, 2012Inventors: JUNG-WOOK PARK, Byung-Kwan Kang, Hyun-Koo Lee, Seung-Tak Kim