KR20200098653A - 전력 변환 시스템 - Google Patents
전력 변환 시스템 Download PDFInfo
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- KR20200098653A KR20200098653A KR1020207020626A KR20207020626A KR20200098653A KR 20200098653 A KR20200098653 A KR 20200098653A KR 1020207020626 A KR1020207020626 A KR 1020207020626A KR 20207020626 A KR20207020626 A KR 20207020626A KR 20200098653 A KR20200098653 A KR 20200098653A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M5/00—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
- H02M5/40—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 with intermediate conversion into DC
- H02M5/42—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 with intermediate conversion into DC by static converters
- H02M5/44—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
- H02M5/453—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M5/00—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
- H02M5/40—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 with intermediate conversion into DC
- H02M5/42—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 with intermediate conversion into DC by static converters
- H02M5/44—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
- H02M5/453—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—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 with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for DC mains or DC distribution networks
- H02J1/08—Three-wire DC power distribution systems; Systems having more than three wires
- H02J1/082—DC supplies with two or more different DC voltage levels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from DC input or output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/493—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Inverter Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
Description
도 2는 컨버터 및 인버터의 각각에 포함되는 전력 변환 회로의 구성을 나타내는 회로도이다.
도 3은 쌍방향 초퍼의 구성을 나타내는 회로도이다.
도 4는 예비 충전 회로의 구성을 나타내는 회로도이다.
도 5는 본 발명의 실시의 형태에 따른 전력 변환 시스템의 동작을 설명하기 위한 도면이다.
2 : 인버터
3 : 쌍방향 초퍼
4 : 제어 회로
5 : 예비 충전 회로
6 : 전압 검출기
7, 8 : 개폐기
9 : 통신 회선
10 : 교류 필터
11~13 : 리액터
14~16, C1, C2 : 콘덴서
20, 25 : 반도체 모듈
30 : 노멀 모드 리액터
31, 32 : 코일
51 : 교류 전원
52 : 부하
53 : 배터리
U1~Un : 무정전 전원 장치(전력 변환 장치)
L1 : 직류 양 모선
L2 : 직류 음 모선
L3 : 직류 중성점 모선
T1~T3, T11~T13, T31~T33 : 교류 단자
T4 : 중성점 단자
T5~T7, T21, T22, T34, T35 : 직류 단자
Q1~Q8, Q21~Q24 : 트랜지스터
D1~D8, D11~D16, D21~D24 : 다이오드
R1~R3 : 저항 소자
S1~S3 : 교류 스위치
W1~Wn : 배선부
Lp, Ln, Lc : 배선
FS1~FSn : 퓨즈부
F1~F3, F11, F12 : 퓨즈
Claims (7)
- 부하에 대하여 병렬로 접속되는 제 1~제 n(n은 2 이상의 정수) 전력 변환 장치와,
제 1~제 n 배선부와,
상기 제 1~제 n 배선부에 각각 마련된 제 1~제 n 퓨즈
를 구비하고,
상기 제 1~제 n 전력 변환 장치의 각각은,
교류 전압을 직류 전압으로 변환하는 컨버터와,
직류 전압을 교류 전압으로 변환하여 상기 부하에 공급하는 인버터와,
상기 컨버터로부터 상기 인버터에 직류 전압을 공급하기 위한 직류 모선과,
상기 직류 모선에 접속되고, 직류 전압을 평활화시키는 콘덴서
를 포함하고,
제 i(1≤i≤n-1) 배선부는, 제 i 전력 변환 장치의 상기 직류 모선과, 제 i+1 전력 변환 장치의 상기 직류 모선의 사이에 접속되고,
상기 제 n 배선부는, 상기 제 n 전력 변환 장치의 상기 직류 모선과, 상기 제 1 전력 변환 장치의 상기 직류 모선의 사이에 접속되는
전력 변환 시스템.
- 제 1 항에 있어서,
상기 제 1~제 n 전력 변환 장치 중 어느 1개의 전력 변환 장치의 상기 직류 모선에 접속되고, 상기 직류 모선의 직류 전압을 검출하는 전압 검출기를 더 구비하는 전력 변환 시스템.
- 제 1 항 또는 제 2 항에 있어서,
상기 제 1~제 n 전력 변환 장치 중 어느 1개의 전력 변환 장치의 상기 직류 모선에 접속되고, 상기 전력 변환 시스템의 기동에 대비하여 미리 상기 제 1~제 n 전력 변환 장치의 각각의 상기 콘덴서를 충전하기 위한 예비 충전 회로를 더 구비하는 전력 변환 시스템.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 제 i 퓨즈는, 상기 제 i 또는 제 i+1 전력 변환 장치가 고장이 난 경우에, 상기 제 i 전력 변환 장치의 상기 직류 모선과 상기 제 i+1 전력 변환 장치의 상기 직류 모선의 사이에 흐르는 전류에 의해 용단되는 전력 변환 시스템.
- 제 4 항에 있어서,
상기 제 i 퓨즈의 정격 차단 전류치는, 상기 제 i 또는 제 i+1 전력 변환 장치의 각각의 정격 전류치보다 작은 전력 변환 시스템.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 제 i 배선부의 허용 전류치는, 상기 직류 모선의 허용 전류치보다 작은 전력 변환 시스템.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 컨버터는, 교류 전원으로부터 공급되는 교류 전력을 직류 전력으로 변환하도록 구성되고,
상기 제 1~제 n 전력 변환 장치의 각각은, 상기 직류 모선 및 전력 저장 장치의 사이에 접속되고, 상기 교류 전원으로부터 교류 전력이 공급되고 있는 통상 시는, 상기 컨버터에 의해 생성된 직류 전력을 상기 전력 저장 장치에 공급하고, 상기 교류 전원으로부터의 교류 전력의 공급이 정지된 정전 시는, 상기 전력 저장 장치의 직류 전력을 상기 인버터에 공급하도록 구성된 쌍방향 초퍼를 더 포함하는
전력 변환 시스템.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/045938 WO2019123608A1 (ja) | 2017-12-21 | 2017-12-21 | 電力変換システム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200098653A true KR20200098653A (ko) | 2020-08-20 |
| KR102421840B1 KR102421840B1 (ko) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020207020626A Active KR102421840B1 (ko) | 2017-12-21 | 2017-12-21 | 전력 변환 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11368101B2 (ko) |
| EP (1) | EP3731368A4 (ko) |
| JP (1) | JP6838170B2 (ko) |
| KR (1) | KR102421840B1 (ko) |
| CN (1) | CN111480280B (ko) |
| WO (1) | WO2019123608A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230036471A (ko) * | 2021-09-07 | 2023-03-14 | 광주과학기술원 | 3상 인버터 병렬 운전 시스템 및 직류단 전압 보정 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112005482B (zh) * | 2018-04-27 | 2023-12-12 | 东芝三菱电机产业系统株式会社 | 三电平电力变换装置、三电平电力变换装置的控制方法及存储介质 |
| CN210668555U (zh) * | 2019-09-30 | 2020-06-02 | 潍柴动力股份有限公司 | 电堆模组故障检测系统 |
| US11404966B2 (en) | 2020-07-02 | 2022-08-02 | Delta Electronics, Inc. | Isolated multi-phase DC/DC converter with reduced quantity of blocking capacitors |
| US11967894B2 (en) * | 2021-03-05 | 2024-04-23 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Power converter |
| US11374501B1 (en) * | 2021-03-26 | 2022-06-28 | Product Development Associates, Inc. | Phase balancer including power conversion circuits |
| CN115642679A (zh) * | 2022-10-26 | 2023-01-24 | 华为数字能源技术有限公司 | 一种充电装置、充电桩及充电系统 |
| EP4382928A1 (en) * | 2022-12-09 | 2024-06-12 | ABB E-mobility B.V. | Method for detecting a stuck ac switch in a converter |
| JP7848398B1 (ja) * | 2024-09-13 | 2026-04-20 | 株式会社Tmeic | 無停電電源装置 |
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| KR20160099361A (ko) | 2015-02-12 | 2016-08-22 | 삼성에스디아이 주식회사 | 다병렬 에너지 저장 시스템 및 그 제어 방법 |
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- 2017-12-21 CN CN201780097607.8A patent/CN111480280B/zh active Active
- 2017-12-21 KR KR1020207020626A patent/KR102421840B1/ko active Active
- 2017-12-21 US US16/757,667 patent/US11368101B2/en active Active
- 2017-12-21 JP JP2019559965A patent/JP6838170B2/ja active Active
- 2017-12-21 EP EP17935346.1A patent/EP3731368A4/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6838170B2 (ja) | 2021-03-03 |
| EP3731368A4 (en) | 2021-08-18 |
| US20200336077A1 (en) | 2020-10-22 |
| WO2019123608A1 (ja) | 2019-06-27 |
| JPWO2019123608A1 (ja) | 2020-04-16 |
| CN111480280A (zh) | 2020-07-31 |
| KR102421840B1 (ko) | 2022-07-15 |
| US11368101B2 (en) | 2022-06-21 |
| EP3731368A1 (en) | 2020-10-28 |
| CN111480280B (zh) | 2023-01-10 |
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