KR102080095B1 - 인버터 제어장치 - Google Patents
인버터 제어장치 Download PDFInfo
- Publication number
- KR102080095B1 KR102080095B1 KR1020180013706A KR20180013706A KR102080095B1 KR 102080095 B1 KR102080095 B1 KR 102080095B1 KR 1020180013706 A KR1020180013706 A KR 1020180013706A KR 20180013706 A KR20180013706 A KR 20180013706A KR 102080095 B1 KR102080095 B1 KR 102080095B1
- Authority
- KR
- South Korea
- Prior art keywords
- current
- inverter
- motor
- phase
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/007—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor wherein the position is detected using the ripple of the current caused by the commutation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details of starting control
- H02P1/029—Restarting, e.g. after power failure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/12—Measuring electrostatic fields or voltage-potential
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- 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
-
- 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
- H02M7/219—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 in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/14—Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/17—Circuit arrangements for detecting position and for generating speed information
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
- H02P6/182—Circuit arrangements for detecting position without separate position detecting elements using back-emf in windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/28—Arrangements for controlling current
-
- H02M2001/0003—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Ac Motors In General (AREA)
- Motor And Converter Starters (AREA)
- Inverter Devices (AREA)
Abstract
Description
도 2는 전동기에 전압공급이 차단된 경우 프리런 상태에서의 전동기의 회전속도와 역기전력의 변화를 나타낸 예시도이다.
도 3a는 종래 인버터의 플라잉 스타트 동작을 설명하기 위한 예시도이다.
도 3b는 도 3a의 동작시 전동기의 유효분 전류의 변화를 설명하기 위한 예시도이다.
도 4는 종래 역기전력을 측정하여 역기전력의 주파수를 기반으로 전동기 회전속도를 추정하여 플라잉 스타트를 수행하는 동작을 설명하기 위한 것이다.
도 5는 본 발명의 일실시예의 인버터 시스템을 설명하기 위한 구성도이다.
도 6은 전동기 회전속도를 쉽게 파악하기 어려운 구간을 설명하기 위한 것이다.
도 7은 도 5의 제어장치의 상세 구성도이다.
도 8은 도 7에서 지령전류의 크기의 상별관계를 설명하기 위한 일예시도이다.
도 9는 도 8의 지령전류에 의한 전류응답의 일예시도이다.
도 10은 본 발명의 일실시예에 따른 플라잉 스타트 동작을 설명하기 위한 일예시도이다.
3: 평활부 4: 인버터부
5: 전동기 6: 제어장치
7: 검출부 10: 제어부
15: 비교부 20: 전류제어부
30: 주파수 추정부
Claims (9)
- 복수의 스위칭소자로 구성되는 인버터부를 포함하는 인버터 시스템에서, 인버터에 연결된 전동기가 프리런하는 경우 상기 인버터를 재기동하기 위한, 인버터 제어장치에 있어서,
3상의 직류인 지령전류를 생성하는 제어부;
상기 지령전류와 상기 인버터부의 출력전류의 차이를 구하는 비교부;
상기 차이에 대해 비례적분(PI) 제어를 수행하는 전류제어부; 및
상기 인버터부의 출력인 리플전류로부터 상기 전동기의 역기전력의 주파수를 추정하는 주파수 추정부를 포함하고,
상기 3상 지령전류는,
하나의 상(a상)은 소정 크기의 양의 전류이고, 나머지 두개의 상(b상 및 c상)은 상기 a상의 1/2 크기의 음의 전류이고, 상기 a상의 전류의 크기는 상기 전동기의 정격전류의 1/2에 해당하는 크기이고,
상기 제어부는 상용전원이 차단되어 전동기의 회전속도가 감소하고, 전동기의 역기전력이 감소하는 도중 상용전원이 복전되는 경우, 전동기의 역기전력의 주파수를 기반으로 전동기의 회전속도를 추정하여 플라잉 스타트를 진행하는 방식에 의해서는 플라잉 스타트가 불가능할 정도로 전동기의 역기전력의 크기가 작아지는 경우에도 플라잉 스타트 이전 시점에 직류전류를 주입하는 전류지령을 전류제어부에 제공하고,
상기 주파수 추정부는 상기 플라잉 스타트 시작 지점까지의 상기 전동기의 회전속도를 추정하고,
상기 제어부는 상기 플라잉 스타트 이전 시점부터 상기 플라잉 스타트 시작 지점까지 인버터의 출력전압을 일정 크기로 유지하는 인버터 제어장치.
- 삭제
- 삭제
- 제1항에 있어서, 상기 3상 지령전류는,
소정 시간동안 제한되어 상기 비교부로 입력되는 인버터 제어장치.
- 제1항에 있어서, 상기 전류제어부는,
상기 차이를 비례적분 제어한 출력을 상기 인버터부의 상기 복수의 스위칭소자에 게이트 신호로 제공하는 인버터 제어장치.
- 제1항에 있어서, 상기 전류제어부는,
정상상태에서의 비례 게인(P 게인)보다 작게 P 게인이 설정되는 인버터 제어장치.
- 제1항에 있어서, 상기 주파수 추정부는,
상기 a상의 지령전류에 대한 전류응답(전류응답)의 증가분을 2회 계산하여, 이로부터 제로크로싱을 계산하여 주파수를 추정하는 인버터 제어장치.
- 제1항에 있어서, 상기 주파수 추정부는,
b상 전류응답으로부터 c상 전류응답을 차감하여, 이로부터 제로크로싱을 계산하여 주파수를 추정하는 인버터 제어장치.
- 제1항에 있어서, 상기 제어부는,
상기 주파수 추정부에 의해 추정된 상기 전동기의 역기전력의 주파수를 이용하여, 상기 인버터부의 출력을 상기 전동기의 회전속도에 대응하도록 제어하는 인버터 제어장치.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180013706A KR102080095B1 (ko) | 2018-02-05 | 2018-02-05 | 인버터 제어장치 |
CN201910100545.2A CN110120770B (zh) | 2018-02-05 | 2019-01-31 | 逆变器的控制装置 |
JP2019016190A JP6759376B2 (ja) | 2018-02-05 | 2019-01-31 | インバータ制御装置 |
ES19155395T ES2990258T3 (es) | 2018-02-05 | 2019-02-04 | Dispositivo para controlar un convertidor |
EP19155395.7A EP3522359B1 (en) | 2018-02-05 | 2019-02-04 | Device for controlling inverter |
US16/267,981 US10630212B2 (en) | 2018-02-05 | 2019-02-05 | Device for controlling inverter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180013706A KR102080095B1 (ko) | 2018-02-05 | 2018-02-05 | 인버터 제어장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20190094490A KR20190094490A (ko) | 2019-08-14 |
KR102080095B1 true KR102080095B1 (ko) | 2020-02-21 |
Family
ID=65324176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020180013706A Active KR102080095B1 (ko) | 2018-02-05 | 2018-02-05 | 인버터 제어장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10630212B2 (ko) |
EP (1) | EP3522359B1 (ko) |
JP (1) | JP6759376B2 (ko) |
KR (1) | KR102080095B1 (ko) |
CN (1) | CN110120770B (ko) |
ES (1) | ES2990258T3 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024150838A1 (ko) * | 2023-01-09 | 2024-07-18 | 광주과학기술원 | 그리드 포밍을 이용한 인버터 및 인버터의 동작 방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2024005897A (ja) * | 2022-06-30 | 2024-01-17 | ニデックパワートレインシステムズ株式会社 | モータ制御装置および電動ポンプ装置 |
EP4472057A1 (en) * | 2023-06-02 | 2024-12-04 | Abb Schweiz Ag | Method and arrangement for operating pump system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001078494A (ja) * | 1999-09-06 | 2001-03-23 | Yaskawa Electric Corp | Acモータ駆動装置のdcオフセット補正方法 |
JP2004350459A (ja) * | 2003-05-26 | 2004-12-09 | Mitsubishi Electric Corp | 誘導電動機の制御装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07250496A (ja) * | 1994-03-09 | 1995-09-26 | Mitsubishi Electric Corp | 誘導電動機の制御装置 |
JP3538057B2 (ja) * | 1999-02-25 | 2004-06-14 | 財団法人鉄道総合技術研究所 | 速度センサレス制御を用いた電気車制御装置 |
JP2000253505A (ja) * | 1999-02-25 | 2000-09-14 | Railway Technical Res Inst | 速度センサレス制御を用いた電気車制御装置 |
JP2002280169A (ja) * | 2001-03-19 | 2002-09-27 | Futaba Corp | 有機el装置 |
JP4380089B2 (ja) * | 2001-06-07 | 2009-12-09 | 富士電機システムズ株式会社 | 自由回転中の誘導電動機の回転速度検出方法と再起動方法 |
DE60318066T2 (de) * | 2002-07-08 | 2008-04-10 | Kabushiki Kaisha Yaskawa Denki, Kitakyushu | Sensorloses vektorsteuerverfahren für einen wechselstromgenerator und steuereinrichtung dafür |
US7423395B2 (en) * | 2002-07-08 | 2008-09-09 | Kabushiki Kaisha Yaskawa Denki | Sensorless vector control method for alternating-current motor and control apparatus therefor |
JP4455981B2 (ja) * | 2004-11-30 | 2010-04-21 | 株式会社日立産機システム | 同期電動機の駆動装置 |
US7960938B2 (en) * | 2004-12-21 | 2011-06-14 | Rockwell Automation Technologies, Inc. | Method and apparatus for determining motor rotation status |
JP4774960B2 (ja) * | 2005-12-02 | 2011-09-21 | 富士電機株式会社 | 誘導電動機の制御方法 |
JP6207953B2 (ja) * | 2013-09-30 | 2017-10-04 | 株式会社日立産機システム | 電力変換装置及び電力変換方法 |
JP6317904B2 (ja) * | 2013-10-02 | 2018-04-25 | 日立ジョンソンコントロールズ空調株式会社 | モータ制御装置、及び空気調和機 |
JP6390337B2 (ja) * | 2014-10-21 | 2018-09-19 | 株式会社デンソー | 回転電機の制御装置 |
-
2018
- 2018-02-05 KR KR1020180013706A patent/KR102080095B1/ko active Active
-
2019
- 2019-01-31 JP JP2019016190A patent/JP6759376B2/ja not_active Expired - Fee Related
- 2019-01-31 CN CN201910100545.2A patent/CN110120770B/zh active Active
- 2019-02-04 ES ES19155395T patent/ES2990258T3/es active Active
- 2019-02-04 EP EP19155395.7A patent/EP3522359B1/en active Active
- 2019-02-05 US US16/267,981 patent/US10630212B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001078494A (ja) * | 1999-09-06 | 2001-03-23 | Yaskawa Electric Corp | Acモータ駆動装置のdcオフセット補正方法 |
JP2004350459A (ja) * | 2003-05-26 | 2004-12-09 | Mitsubishi Electric Corp | 誘導電動機の制御装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024150838A1 (ko) * | 2023-01-09 | 2024-07-18 | 광주과학기술원 | 그리드 포밍을 이용한 인버터 및 인버터의 동작 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN110120770B (zh) | 2023-02-17 |
KR20190094490A (ko) | 2019-08-14 |
US20190245461A1 (en) | 2019-08-08 |
US10630212B2 (en) | 2020-04-21 |
EP3522359A1 (en) | 2019-08-07 |
JP6759376B2 (ja) | 2020-09-23 |
JP2019140904A (ja) | 2019-08-22 |
CN110120770A (zh) | 2019-08-13 |
ES2990258T3 (es) | 2024-11-29 |
EP3522359B1 (en) | 2024-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4139934B2 (ja) | 交流電動機の制御方法および制御装置 | |
US9525377B2 (en) | System and method of rotor time constant online identification in an AC induction machine | |
EP2698916A2 (en) | Motor control apparatus and motor control method | |
JP4406552B2 (ja) | 電動機の制御装置 | |
KR102080095B1 (ko) | 인버터 제어장치 | |
KR100438598B1 (ko) | 센서리스 비엘디씨 모터를 채용한 세탁기의 운전제어방법 | |
CN103973190A (zh) | 无传感器的电动机控制 | |
US10819255B2 (en) | Starting an induction machine | |
CN100521503C (zh) | 电动机控制装置 | |
WO2015097734A1 (ja) | 電力変換装置 | |
JP3719426B2 (ja) | 交流電動機の制御方法及び制御装置 | |
US20090134831A1 (en) | Deriving Values of Parameters in Electrical Machines | |
Fot et al. | Rotor time constant identification on sensorless induction motor drives by low frequency signal injection | |
KR20180074213A (ko) | 전원보상을 이용한 브러시리스 직류모터 구동 방법 및 장치 | |
JP4032229B2 (ja) | 交流電動機の制御方法および制御装置 | |
KR101804339B1 (ko) | 모터 구동장치 및 이를 구비하는 홈 어플라이언스 | |
JP4407151B2 (ja) | 交流電動機のセンサレス制御方法及び制御装置 | |
JP2007228662A (ja) | 誘導電動機の制御装置 | |
US9742340B2 (en) | Apparatus for controlling inverter | |
KR20190125074A (ko) | 이상 동작 방지 알고리즘을 수행하는 모터 구동 장치 | |
JP7620591B2 (ja) | 電動機制御装置 | |
JP7272909B2 (ja) | 電力変換装置及び電力変換方法 | |
EP3435539B1 (en) | Power conversion device and power conversion method | |
JP2023144354A (ja) | 電動機の制御装置 | |
JP2017005801A (ja) | 矩形波電源回生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20180205 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20190222 Patent event code: PE09021S01D |
|
PG1501 | Laying open of application | ||
E90F | Notification of reason for final refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Final Notice of Reason for Refusal Patent event date: 20190820 Patent event code: PE09021S02D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20200214 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20200217 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20200217 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20221226 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20231226 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20241224 Start annual number: 6 End annual number: 6 |