KR920004987B1 - 인버터의 센서오차 자동 보정방법 - Google Patents
인버터의 센서오차 자동 보정방법 Download PDFInfo
- Publication number
- KR920004987B1 KR920004987B1 KR1019890015396A KR890015396A KR920004987B1 KR 920004987 B1 KR920004987 B1 KR 920004987B1 KR 1019890015396 A KR1019890015396 A KR 1019890015396A KR 890015396 A KR890015396 A KR 890015396A KR 920004987 B1 KR920004987 B1 KR 920004987B1
- Authority
- KR
- South Korea
- Prior art keywords
- current
- inverter
- induction motor
- iaoff
- iboff
- Prior art date
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Classifications
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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
- H02M7/505—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 thyratron or thyristor type requiring extinguishing means
- H02M7/515—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/525—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
- H02M7/527—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
- H02M7/529—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation using digital control
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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
- H02M1/00—Details of apparatus for conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
Claims (2)
- 직류전원(1)을 트랜지스터(Q1-Q6)를 통해 교류전원으로 변환하여 유동전동기(2)를 구동하며, 전류센서(3), (4)로 상기 유도전동기(2)의 입력전류를 검출한 후 A/D변환기(5)를 통해 마아크로프로세서(6)에 인가하여 상기 트랜지스터(Q1-Q6)를 제어하게 구성된 인버터에 있어서, 상기 트랜지스터(Q2), (Q3), (Q5), (Q6)를 구동하여 상기 유도전동기(2)에 양(+), 음(-)의 직류전원(VDC), (-VDC)을 주기(Ton)동안 소정횟수 반복 출력하면서 입력전류의 검출값(iA), (iB)을 측정하여 반복저장한 후 평균 직류 오프셋(iAoff), (iBoff)을 산출하고, 상기 유도전동기(2)에 양, 음의 직류전원(VDC), (-VDC)을 반복출력하여 과도상태를 제거하고, 다시 상기 유도전동기(2)에 양의 직류전원(VD M)을 주기(Ton)동안 인가한 후 직류 오프셋(iAoff), (iBoff)을 보상하여 전류절대값의 가산으로 전류가산값을 산출하며, 다시 상기 유도전동기(2)에 음의 전류전원(-VDC)를 주기(Ton)동안 인가한 후 직류 오프셋(iAoff), (iBoff)을 보상하여 전류절대값의 전류가산값에 계속 누적 가산하고, 상기 과정을 소정횟수 반복하여 전류크기의 오차 보상계수(K)를 계산하고, 상기 직류 오프셋(iAoff), (iBoff)및 보상계수(K)를 저장하여 전류 오차 보상에 이용하는 것을 특징으로 하는 인버터의 센서오차 자동 보정 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890015396A KR920004987B1 (ko) | 1989-10-25 | 1989-10-25 | 인버터의 센서오차 자동 보정방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890015396A KR920004987B1 (ko) | 1989-10-25 | 1989-10-25 | 인버터의 센서오차 자동 보정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910008929A KR910008929A (ko) | 1991-05-31 |
KR920004987B1 true KR920004987B1 (ko) | 1992-06-22 |
Family
ID=19291034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890015396A KR920004987B1 (ko) | 1989-10-25 | 1989-10-25 | 인버터의 센서오차 자동 보정방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920004987B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100425738B1 (ko) * | 2002-01-10 | 2004-04-01 | 엘지전자 주식회사 | 동기 릴럭턴스 모터의 센서리스 속도 제어방법 |
JP2004135407A (ja) * | 2002-10-09 | 2004-04-30 | Mitsubishi Electric Corp | 交流電動機の制御装置 |
-
1989
- 1989-10-25 KR KR1019890015396A patent/KR920004987B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910008929A (ko) | 1991-05-31 |
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