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1. 发明授权

US09746191B2 System for producing heat source for heating or electricity using medium/low temperature waste heat, and method for controlling the same 有权
公开(公告)号：US09746191B2
公开(公告)日：2017-08-29
申请号：US14893287
申请日：2014-05-20
申请人： POSCO ENERGY CO., LTD.
发明人： Min Cheol Kang , Hyo Seok Lee , Jong Kook Seong
IPC分类号： F24D3/18 , F01K13/00 , F25B30/04 , F25B27/02 , F01K13/02 , F01K23/10 , F24D19/10 , F01K17/00 , F01K23/00 , F25B15/06
CPC分类号： F24D3/18 , F01K13/00 , F01K13/02 , F01K17/005 , F01K23/00 , F01K23/101 , F24D19/1006 , F24D2200/126 , F24D2200/16 , F24H2240/127 , F25B15/06 , F25B27/02 , F25B30/04 , F25B2700/21172 , F25B2700/21173 , Y02A30/274 , Y02B10/70 , Y02B30/52 , Y02E20/14 , Y02E20/16 , Y02P80/152 , Y02P80/156
摘要： A system for producing a heat source for heating or electricity, using medium/low-temperature waste heat includes: an absorption-type heat pump (100) supplied with a driving heat source and heat source water to heat a low-temperature heat medium; a regenerator heat exchange unit (210) for supplying a regenerator (110) with a driving heat source using waste heat; an evaporator heat exchange unit (220) for supplying an evaporator with heat source water; a heat medium circulation line (310) for circulating a heat medium; a generation unit (400) branching off from the heat medium circulation line (310) and producing electricity; a heat production unit (500) branching off from the heat medium circulation line (310) and supplying a heat-demanding place with a heat source for heating; and a switching valve unit (600) for controlling the flow of heat medium supplied the generation unit (400) or the heat production unit (500).

2. 发明申请

US20170179502A1 HEAT RECOVERY APPARATUS BASED ON FUEL CELL AND OPERATING METHOD THEREOF 审中-公开
公开(公告)号：US20170179502A1
公开(公告)日：2017-06-22
申请号：US15446067
申请日：2017-03-01
申请人： Posco Energy Co., Ltd.
发明人： Hyun Lae Lee , Jung Tae Hwang , Ja Hoon Jeong , Sung Lay Ryu
IPC分类号： H01M8/04007 , H01M8/0438 , H01M8/04746 , H01M8/0432 , H01M8/04992 , H01M8/04701
CPC分类号： H01M8/04074 , F24D2200/19 , H01M8/04298 , H01M8/0432 , H01M8/04373 , H01M8/04425 , H01M8/04492 , H01M8/04738 , H01M8/04776 , H01M8/04828 , H01M8/04992 , H01M2008/147 , H01M2250/10 , H01M2250/405 , Y02B90/14 , Y02B90/16 , Y02E60/526
摘要： Provided are a heat recovery apparatus based on a fuel cell and an operating method thereof. In the fuel cell-based heat recovery apparatus and the operating method thereof, hot water and steam may be generated by using heat generated while a molten carbonate fuel cell (MCFC) operates to supply the generated hot water or steam to buildings, thereby reducing a rate of operation in cooling/heating equipment using electricity so as to reduce air-conditioning costs.

3. 发明授权

US09509207B2 Apparatus for compensating for ripple and offset of inverter and method therefor 有权
标题翻译：用于补偿逆变器纹波和偏移的装置及其方法
公开(公告)号：US09509207B2
公开(公告)日：2016-11-29
申请号：US14442618
申请日：2013-11-14
申请人： POSCO ENERGY CO., LTD
发明人： Jeong Heum Lee , Sang Ho Moon , Ju Young Chang , Jae Sig Kim
IPC分类号： H02M1/15 , H02M1/14 , H02M7/42 , H02M1/00
CPC分类号： H02M1/14 , H02M1/12 , H02M1/15 , H02M7/42 , H02M7/5387 , H02M2001/0009
摘要： An apparatus and method for compensating for a ripple and offset of an inverter and an apparatus and method for compensating for a ripple and offset of an inverter which removes a ripple component by compensating for an offset component included in a signal input to the inverter from an inverter controller. A method that senses a direct current (DC) input to an inverter from an inverter controller and an alternating current (AC) output from the inverter and removes a ripple component included in the DC based on the sensed currents, a method that removes a ripple component included in a reference voltage that is output from an inverter controller and is input to an inverter, and a method that compensates for an offset component of an AC voltage/AC used for inverter control and reduces a ripple component corresponding to an output frequency of an inverter.
摘要翻译：一种用于补偿逆变器的纹波和偏移的装置和方法以及用于补偿逆变器的纹波和偏移的装置和方法，该逆变器的纹波和偏移通过从输入到逆变器的信号中补偿包括的偏移分量来去除纹波分量，变频器控制器。一种从逆变器控制器感测到逆变器的直流（DC）输入和来自逆变器的交流（AC）输出的方法，并且基于感测的电流去除包括在DC中的纹波分量的方法，去除纹波包括在从逆变器控制器输出并被输入到逆变器的参考电压中的分量，以及补偿用于逆变器控制的AC电压/ AC的偏移分量的方法，并且减少对应于逆变器控制的输出频率的纹波分量逆变器。

4. 发明授权

US09435230B2 Fuel cell hybrid system 有权
标题翻译：燃料电池混合动力系统
公开(公告)号：US09435230B2
公开(公告)日：2016-09-06
申请号：US14368855
申请日：2012-12-21
申请人： Posco Energy Co., Ltd.
发明人： Min Ki Kim , Yin Jeong Cho , Sang Hoon Lee
IPC分类号： F01K25/00 , F01K27/02 , H01M8/04 , F02C1/04 , F02C6/18 , F01K25/08 , H01M8/06 , H01M8/14
CPC分类号： F01K27/02 , F01K25/08 , F02C1/04 , F02C6/18 , H01M8/04014 , H01M8/04022 , H01M8/04089 , H01M8/04097 , H01M8/04111 , H01M8/0618 , H01M2008/147 , Y02E60/50 , Y02E60/526
摘要： Provided is a fuel cell hybrid system. The fuel cell hybrid system includes a heat engine including a compression unit for compressing an oxidizer supply gas including air and an expansion unit for expanding the oxidizer supply gas to generate mechanical energy, a fuel cell including an anode for receiving a fuel gas, a cathode for receiving the oxidizer supply gas, and a catalytic combustor for burning a non-reaction fuel gas of an anode exhaust gas exhausted from the anode to heat the oxidizer supply gas, a first heat exchanger heat-exchanging the oxidizer supply gas discharged from the compression unit with a cathode exhaust gas exhausted from the cathode, and a second heat exchanger heat-exchanging the oxidizer supply gas discharged from the first heat exchanger with the oxidizer supply gas discharged from the catalytic combustor. The oxidizer supply gas discharged from the second heat exchanger is supplied into the catalytic combustor via the expansion unit, and the oxidizer supply gas discharged from the catalytic combustor is supplied into the cathode via the second heat exchanger.
摘要翻译：提供了一种燃料电池混合系统。燃料电池混合动力系统包括：热引擎，其包括用于压缩包括空气的氧化剂供给气体的压缩单元和用于膨胀氧化剂供给气体以产生机械能的膨胀单元，包括用于接收燃料气体的阳极的燃料电池，阴极用于接收氧化剂供给气体的催化燃烧器，以及用于燃烧从阳极排出的阳极废气的非反应燃料气体以加热氧化剂供应气体的催化燃烧器，将从压缩排出的氧化剂供给气体热交换的第一热交换器从阴极排出的阴极废气的单元，以及从第一热交换器排出的氧化剂供给气体与从催化燃烧器排出的氧化剂供给气体进行热交换的第二热交换器。从第二热交换器排出的氧化剂供给气体经由膨胀单元供给到催化燃烧器中，从催化燃烧器排出的氧化剂供给气体经由第二热交换器供给到阴极。

5. 发明申请

US20160197365A1 POWER GENERATION SYSTEM 审中-公开
标题翻译：发电系统
公开(公告)号：US20160197365A1
公开(公告)日：2016-07-07
申请号：US14654242
申请日：2013-08-14
申请人： POSCO ENERGY CO., LTD.
发明人： Byung Jun KIM , Dong Eun KIM , Soo Taek KIM , Yong Su PARK
IPC分类号： H01M8/04089 , H02K7/18 , F01D15/10 , H01M8/04007 , H01M8/0668
CPC分类号： H01M8/04097 , F01D15/10 , F02C3/00 , H01M8/04067 , H01M8/0662 , H01M8/0668 , H01M2008/147 , H01M2250/402 , H01M2250/405 , H01M2250/407 , H02K7/1823 , Y02B90/12 , Y02B90/16 , Y02E60/526 , Y02E60/563
摘要： A power generation system which generates electric power includes a fuel cell system in which supplied reactants react to generate electric power and a circulation system that circulates a product generated by the fuel cell system. The circulation system is configured to resupply at least some elements of the product generated by the fuel cell system as a reactant of the fuel cell system.
摘要翻译：产生电力的发电系统包括供应的反应物反应以产生电力的燃料电池系统和循环由燃料电池系统产生的产品的循环系统。循环系统被配置为将由燃料电池系统产生的产物的至少一些元素补充为燃料电池系统的反应物。

6. 发明授权

US10215058B2 Turbine power generation system having emergency operation means, and emergency operation method therefor 有权
公开(公告)号：US10215058B2
公开(公告)日：2019-02-26
申请号：US15529241
申请日：2015-08-28
申请人： POSCO ENERGY CO., LTD.
发明人： Sung Keun Oh , Jea Jun Lee , Ju Chang Lim , Sang Hoon Lee , Sang Myeong Lee , Ki Tae Kim , Yong Sik Hah , Chul Kyu Kim
IPC分类号： F01K13/02 , F01D15/10 , F01K11/02 , F01D17/08 , F01D17/10 , F01D21/00 , F02C1/10 , F02C6/18 , F02C9/18 , F22B37/42
摘要： Discloses is a turbine power generation system having an emergency operation means and an emergency operation method therefor that are capable of controlling excess heat accumulated during emergency operation, and recycling the accumulated heat. A turbine power generation system includes: an inlet sensor part including a thermometer, a pressure gauge, and a flowmeter that are installed between the heater and the inlet valve and; an emergency discharge part including a branch pipe connected to the steam, and a heat control means installed on the branch pipe. Accordingly, the system and the method are capable of reducing a heat overload during an emergency operation by transferring a heat amount exchanged in the heat storage device to the heat consuming facility, minimizing thermal consumption by recycling the same, and preventing various problems caused by stopping an operation of the turbine power generation system.

7. 发明授权

US09620795B2 Heat recovery apparatus based on fuel cell and operating method thereof 有权
公开(公告)号：US09620795B2
公开(公告)日：2017-04-11
申请号：US14367586
申请日：2012-12-21
申请人： Posco Energy Co., Ltd.
发明人： Hyun Lae Lee , Jung Tae Hwang , Ja Hoon Jeong , Sung Lay Ryu
IPC分类号： H01M8/04 , H01M8/04007 , H01M8/04828 , H01M8/0432 , H01M8/0438 , H01M8/04492 , H01M8/04701 , H01M8/04746 , H01M8/04298 , H01M8/14
CPC分类号： H01M8/04074 , F24D2200/19 , H01M8/04298 , H01M8/0432 , H01M8/04373 , H01M8/04425 , H01M8/04492 , H01M8/04738 , H01M8/04776 , H01M8/04828 , H01M8/04992 , H01M2008/147 , H01M2250/10 , H01M2250/405 , Y02B90/14 , Y02B90/16 , Y02E60/526
摘要： Provided are a heat recovery apparatus based on a fuel cell and an operating method thereof. In the fuel cell-based heat recovery apparatus and the operating method thereof, hot water and steam may be generated by using heat generated while a molten carbonate fuel cell (MCFC) operates to supply the generated hot water or steam to buildings, thereby reducing a rate of operation in cooling/heating equipment using electricity so as to reduce air-conditioning costs.

8. 发明申请

US20160285355A1 APPARATUS FOR COMPENSATING FOR RIPPLE AND OFFSET OF INVERTER AND METHOD THEREFOR 有权
标题翻译：用于补偿反相器的纹波和偏移量的装置及其方法
公开(公告)号：US20160285355A1
公开(公告)日：2016-09-29
申请号：US14442618
申请日：2013-11-14
申请人： POSCO ENERGY CO., LTD.
发明人： Jeong Heum LEE , Sang Ho MOON , Ju Young CHANG , Jae Sig KIM
IPC分类号： H02M1/14 , H02M7/42
CPC分类号： H02M1/14 , H02M1/12 , H02M1/15 , H02M7/42 , H02M7/5387 , H02M2001/0009
摘要： An apparatus and method for compensating for a ripple and offset of an inverter and an apparatus and method for compensating for a ripple and offset of an inverter which removes a ripple component by compensating for an offset component included in a signal input to the inverter from an inverter controller. A method that senses a direct current (DC) input to an inverter from an inverter controller and an alternating current (AC) output from the inverter and removes a ripple component included in the DC based on the sensed currents, a method that removes a ripple component included in a reference voltage that is output from an inverter controller and is input to an inverter, and a method that compensates for an offset component of an AC voltage/AC used for inverter control and reduces a ripple component corresponding to an output frequency of an inverter.
摘要翻译：一种用于补偿逆变器的纹波和偏移的装置和方法以及用于补偿逆变器的纹波和偏移的装置和方法，该逆变器的纹波和偏移通过从输入到逆变器的信号中补偿包括的偏移分量来去除纹波分量，变频器控制器。一种从逆变器控制器感测到逆变器的直流（DC）输入和来自逆变器的交流（AC）输出的方法，并且基于感测的电流去除包括在DC中的纹波分量的方法，去除纹波包括在从逆变器控制器输出并被输入到逆变器的参考电压中的分量，以及补偿用于逆变器控制的AC电压/ AC的偏移分量的方法，并且减少对应于逆变器控制的输出频率的纹波分量逆变器。

9. 发明申请

US20170328240A1 TURBINE POWER GENERATION SYSTEM HAVING EMERGENCY OPERATION MEANS, AND EMERGENCY OPERATION METHOD THEREFOR 审中-公开
公开(公告)号：US20170328240A1
公开(公告)日：2017-11-16
申请号：US15529241
申请日：2015-08-28
申请人： POSCO ENERGY CO., LTD.
发明人： Sung Keun OH , Jea Jun LEE , Ju Chang LIM , Sang Hoon LEE , Sang Myeong LEE , Ki Tae KIM , Yong Sik HAH , Chul Kyu KIM
IPC分类号： F01K13/02 , F01K11/02 , F01D15/10
CPC分类号： F01K13/02 , F01D15/10 , F01D17/08 , F01D17/105 , F01D21/003 , F01K11/02 , F02C1/105 , F02C6/18 , F02C9/18 , F05D2220/60 , F05D2220/72 , F05D2270/09 , F05D2270/301 , F05D2270/303 , F05D2270/3061 , F22B37/42
摘要： Discloses is a turbine power generation system having an emergency operation means and an emergency operation method therefor that are capable of controlling excess heat accumulated during emergency operation, and recycling the accumulated heat. A turbine power generation system includes: an inlet sensor part including a thermometer, a pressure gauge, and a flowmeter that are installed between the heater and the inlet valve and; an emergency discharge part including a branch pipe connected to the steam, and a heat control means installed on the branch pipe. Accordingly, the system and the method are capable of reducing a heat overload during an emergency operation by transferring a heat amount exchanged in the heat storage device to the heat consuming facility, minimizing thermal consumption by recycling the same, and preventing various problems caused by stopping an operation of the turbine power generation system.

10. 发明授权

US09712043B2 Apparatus and method for controlling overcurrent of grid-connected inverter due to abnormal grid voltage 有权
公开(公告)号：US09712043B2
公开(公告)日：2017-07-18
申请号：US14899015
申请日：2014-06-20
申请人： POSCO ENERGY CO., LTD.
发明人： Jeong Heum Lee , Sang Ho Moon , Ju Young Chang , Jae Sig Kim , Jin Su Lee
IPC分类号： H02M1/32 , H02M7/04
CPC分类号： H02M1/32 , H02M7/04 , H02M2001/325
摘要： An apparatus for controlling overcurrent of a grid-connected inverter due to an abnormal grid voltage includes a grid voltage sensor configured to sense a grid voltage according to an output current of the grid-connected inverter, a voltage variation calculator configured to calculate a D-axis voltage and a Q-axis voltage of the grid voltage to obtain variation values of the D-axis voltage and the Q-axis voltage, and an output current controller configured to determine whether at least one of the D-axis voltage variation value and the Q-axis voltage variation value exceeds a set value of the grid voltage variation, and decrease the output current by a predetermined value when one of the D-axis voltage variation value and the Q-axis voltage variation value exceeds the set value of the grid voltage variation.

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