KR20090032249A - 3상 유도전동기의 비상 구동장치 - Google Patents
3상 유도전동기의 비상 구동장치 Download PDFInfo
- Publication number
- KR20090032249A KR20090032249A KR1020070097300A KR20070097300A KR20090032249A KR 20090032249 A KR20090032249 A KR 20090032249A KR 1020070097300 A KR1020070097300 A KR 1020070097300A KR 20070097300 A KR20070097300 A KR 20070097300A KR 20090032249 A KR20090032249 A KR 20090032249A
- Authority
- KR
- South Korea
- Prior art keywords
- phase
- induction motor
- switch
- terminal
- voltage
- Prior art date
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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
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
- H02P1/265—Means for starting or running a triphase motor on a single phase supply
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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
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
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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
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details
- H02P1/029—Restarting, e.g. after power failure
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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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
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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
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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
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/03—AC-DC converter stage controlled to provide a defined DC link voltage
Abstract
Description
Claims (4)
- 제 1 상 코일, 제 2 상 코일 및 제 3 상 코일이 Y 결선된 3상 유도전동기; 및상기 제 1 상 코일에 직렬 연결되는 커패시터를 구비하고,상기 제 3 상 코일 및 상기 커패시터가 단상 교류전원의 일측단자에 접속되며, 상기 제 2 상 코일이 상기 단상 교류전원의 타측단자에 접속된 3상 유도전동기의 비상 구동장치.
- 제 1 항에 있어서,상기 제 3 상 코일의 중성점 단자가 중성점에서 분리되어 상기 단상 교류전원의 타측단자에 접속되는 것을 특징으로 하는 3상 유도전동기의 비상 구동장치.
- 제 1 상 코일, 제 2 상 코일 및 제 3 상 코일이 Y 결선된 3상 유도전동기;단상 교류전원을 직류전압으로 변환하는 직류전압 변환부;상기 3상 유도전동기의 구동을 제어하는 제어부; 및상기 제어부의 제어에 따라 상기 직류전압 변환부가 변환한 직류전압을 스위칭시켜 상기 3상 유도전동기를 구동시키는 스위칭부를 포함하고,상기 단상 교류전원이 제 1 및 제 2 스위치의 가동단자에 접속되어 상기 제 1 및 제 2 스위치의 일측 고정단자가 상기 직류전압 변환부의 입력단자에 접속되고, 상기 제 1 및 제 2 스위치의 타측 고정단자가 제 3 및 제 5 스위치의 타측 고정단자에 접속됨과 아울러 상기 제 2 스위치의 타측 고정단자가 커패시터를 통해 제 4 스위치의 타측 고정단자에 접속되며, 상기 제 3 내지 제 5 스위치의 일측 고정단자에 상기 스위칭부의 출력단자가 접속되며, 상기 제 3 내지 제 5 스위치의 가동단자가 상기 제 1 상 내지 제 3 상 코일에 각기 접속된 3상 유도전동기의 비상 구동장치.
- 제 3 항에 있어서,상기 제 3 상 코일의 중성점 단자가 제 6 스위치의 가동단자에 접속되어 상기 제 6 스위치의 일측 고정단자가 상기 중성점에 접속되고, 상기 제 6 스위치의 타측 고정단자가 상기 제 5 스위치의 가동단자에 접속됨을 특징으로 하는 3상 유도전동기의 비상 구동장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070097300A KR100900940B1 (ko) | 2007-09-27 | 2007-09-27 | 3상 유도전동기의 비상 구동장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070097300A KR100900940B1 (ko) | 2007-09-27 | 2007-09-27 | 3상 유도전동기의 비상 구동장치 |
Publications (2)
Publication Number | Publication Date |
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KR20090032249A true KR20090032249A (ko) | 2009-04-01 |
KR100900940B1 KR100900940B1 (ko) | 2009-06-08 |
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KR1020070097300A KR100900940B1 (ko) | 2007-09-27 | 2007-09-27 | 3상 유도전동기의 비상 구동장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190115924A (ko) * | 2018-04-04 | 2019-10-14 | 주식회사 이피코 | 직입기동 기능이 구비된 모터 구동제어장치 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980030294A (ko) * | 1996-10-29 | 1998-07-25 | 박병재 | 타워 크레인에서 트롤리모터 비상구동회로 |
KR200380870Y1 (ko) * | 2005-01-26 | 2005-04-08 | 주식회사 벤토피아 | 정부하 대 출력 특성 팬 구동 회로 |
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- 2007-09-27 KR KR1020070097300A patent/KR100900940B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190115924A (ko) * | 2018-04-04 | 2019-10-14 | 주식회사 이피코 | 직입기동 기능이 구비된 모터 구동제어장치 |
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KR100900940B1 (ko) | 2009-06-08 |
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