KR100845111B1 - 자속정보를 이용한 속도 써칭방법 - Google Patents
자속정보를 이용한 속도 써칭방법 Download PDFInfo
- Publication number
- KR100845111B1 KR100845111B1 KR1020060138964A KR20060138964A KR100845111B1 KR 100845111 B1 KR100845111 B1 KR 100845111B1 KR 1020060138964 A KR1020060138964 A KR 1020060138964A KR 20060138964 A KR20060138964 A KR 20060138964A KR 100845111 B1 KR100845111 B1 KR 100845111B1
- Authority
- KR
- South Korea
- Prior art keywords
- speed
- induction motor
- voltage
- inverter
- current
- Prior art date
Links
- 230000004907 flux Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000006698 induction Effects 0.000 claims abstract description 59
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Images
Classifications
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- 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
- H02P27/08—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 with pulse width modulation
-
- 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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/0003—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control
-
- 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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
- H02P21/141—Flux estimation
-
- 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
- H02P27/047—V/F converter, wherein the voltage is controlled proportionally with the frequency
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/027—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an over-current
-
- 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
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/01—Asynchronous machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
Claims (4)
- (가) 프리런시 상기 인버터에서 상기 유도 전동기에 인가되는 전압과 전류를 측정하는 단계와;(나) 측정된 상기 전압 및 전류를 이용하여 자속을 추정하고, 추정된 자속으로부터 현재의 회전각을 추정하는 단계와;(다) 상기 추정 회전각과 실제 회전각의 오차가 발생되지 않도록 PI 제어기와 LPF를 통과시켜 현재의 속도를 추정하는 단계와;(라) 추정된 상기 속도에 대응된 V/F 테이블의 전압을 상기 유도 전동기에 인가하는 단계를 포함하는 V/F 제어 방식 인버터의 자속정보를 이용한 속도 써칭방법.
- 삭제
- 제 1 항에 있어서,상기 인버터는 V/F 제어 방식의 PWM 인버터로서,상기 (라)단계의 추정된 상기 회전속도에 대응된 전압값은 V/F 테이블에 의해 미리 결정된 전압값인 것을 특징으로 하는 자속정보를 이용한 속도 써칭방법.
- 제 1 항에 있어서,상기 (가) 내지 (라)단계는 상기 유도 전동기의 속도가 목표속도에 도달할 때까지 반복 수행되는 것을 특징으로 하는 자속정보를 이용한 속도 써칭방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060138964A KR100845111B1 (ko) | 2006-12-29 | 2006-12-29 | 자속정보를 이용한 속도 써칭방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060138964A KR100845111B1 (ko) | 2006-12-29 | 2006-12-29 | 자속정보를 이용한 속도 써칭방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080062828A KR20080062828A (ko) | 2008-07-03 |
KR100845111B1 true KR100845111B1 (ko) | 2008-07-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060138964A KR100845111B1 (ko) | 2006-12-29 | 2006-12-29 | 자속정보를 이용한 속도 써칭방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100845111B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102286371B1 (ko) * | 2014-06-19 | 2021-08-05 | 현대모비스 주식회사 | 모터 온도 변화 제어 장치 및 방법 |
US10738784B2 (en) | 2017-09-14 | 2020-08-11 | Unico, Llc | Power-loss ridethrough system and method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990066619A (ko) * | 1998-01-31 | 1999-08-16 | 이종수 | 인버터 시스템의 속도추종 방법 |
-
2006
- 2006-12-29 KR KR1020060138964A patent/KR100845111B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990066619A (ko) * | 1998-01-31 | 1999-08-16 | 이종수 | 인버터 시스템의 속도추종 방법 |
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Publication number | Publication date |
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KR20080062828A (ko) | 2008-07-03 |
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