KR960032872A - Single phase induction motor - Google Patents

Single phase induction motor Download PDF

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Publication number
KR960032872A
KR960032872A KR1019950002167A KR19950002167A KR960032872A KR 960032872 A KR960032872 A KR 960032872A KR 1019950002167 A KR1019950002167 A KR 1019950002167A KR 19950002167 A KR19950002167 A KR 19950002167A KR 960032872 A KR960032872 A KR 960032872A
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KR
South Korea
Prior art keywords
power
induction motor
unit
commercial
phase induction
Prior art date
Application number
KR1019950002167A
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Korean (ko)
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KR0160411B1 (en
Inventor
김효석
Original Assignee
김광호
삼성전자 주식회사
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Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950002167A priority Critical patent/KR0160411B1/en
Publication of KR960032872A publication Critical patent/KR960032872A/en
Application granted granted Critical
Publication of KR0160411B1 publication Critical patent/KR0160411B1/en

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Classifications

    • 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
    • H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors

Abstract

본 발명은 단상유도전동기에 관한 것으로, 특히 상용전원운전에서의 최대출력 및 인버터운전에서의 감속출력이 가능하여 광범위하게 속도를 제어할 수 있는 단상유도전동기에 관한 것이다.The present invention relates to a single-phase induction motor, and more particularly, to a single-phase induction motor capable of controlling a wide range of speeds by enabling a maximum output in a commercial power supply operation and a deceleration output in an inverter operation.

이와 같은 본 발명의 단상유도전동기에서는 외부교류전원을 공급하는 전원단, 공급된 교류전원을 직류전원으로 변화시키는 전원정류부, 상기 전원정류부에서 공급된 직류전원을 평활하는 평활회로부, 상기 평활회로부에서 공급된 직류전원을 다시 교류전원으로 변환시켜 전압과 주파수를 가변시키는 다수의 전력스위칭수단으로 이루어진 인버터구동부 및 회전자, 주권선 및 보조권선으로 이루어진 유도전동부를 구비하는 단상유도전동기에 있어서, 상기 전원단에서 분기되어 상기 유도전동부에 직접적으로 상용교류전원의 인가를 스위칭하는 제1스위치부, 상기 유도전동부내의 보조권선에 전원단에서 직접 인가되는 상용교류전원 및 인버터구동부에서의 출력된 전원을 스위칭하는 제3스위치부, 상기 제3스위치부와 유도전동부의 사이에 접속되어 상기 유도전동부를 운전 및 기동시키는 동작을 수행하는 기동 콘덴서를 구비하여 상용전원운전 및 인버터 절환운전이 가능한 것이다.In the single-phase induction motor of the present invention as described above, a power stage for supplying an external AC power supply, a power rectifying unit for changing the supplied AC power into a DC power supply, a smoothing circuit unit for smoothing the DC power supplied from the power rectifying unit, and the smoothing circuit unit In the single-phase induction motor having a drive unit consisting of a plurality of power switching means for varying the voltage and frequency by converting the converted DC power back to AC power and the induction motor consisting of a rotor, a main winding and an auxiliary winding, the power stage Switched from the first switch unit for switching the application of commercial AC power directly to the induction motor unit, switching the commercial AC power applied directly from the power supply to the auxiliary winding in the induction motor unit and the power output from the inverter driver The third switch unit is connected between the third switch unit and the induction motor unit Group derived by having a start capacitor to perform the operation of the electric parts and the starting operation is possible the commercial power supply and an inverter driving the switching operation.

Description

단상유도전동기Single phase induction motor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 단상유도전동기의 회로도,2 is a circuit diagram of a single-phase induction motor according to the present invention,

제3도는 본 발명에 따른 단상유도전동기의 또다른 실시예를 나타낸 회로도.3 is a circuit diagram showing another embodiment of a single phase induction motor according to the present invention.

Claims (4)

상용교류전원을 공급하는 전원단(60), 공급된 상용교류전원을 직류전원으로 변환시키는 전원정류부(1), 상기 전원정류부(1)에서 공급된 직류전원을 평활하는 평활회로부(2), 상기 평활회로부(2)에서 공급된 직류전원을 다시 교류전원으로 변환시켜 전압과 주파수를 가변시키는 다수의 전력스위칭수단으로 이루어진 인버터구동부(3) 및 회전자(36), 주권자(34) 및 보조권선(35)으로 이루어진 유도전동부(4)를 구비하는 단상유도전동기에 있어서, 상기 전원단(60)에서 분기되어 상기 유도전동부(4)에 직접적으로 상용교류전원의 인가를 스위칭하는 제1스위치부(61), 상기 유도전동부(4)내의 보조권선(35)에 전원단(60)에서 직접 인가되는 상용교류전원 및 인버터구동부(3)에서의 출력된 전원을 스위칭하는 제2스위치부(62), 상기 제2스위치부(62)와 유도전동부(4)의 사이에 접속되어 상기유도전동부(4)를 운전 및 기동시키는 동작을 수행하는 기동콘덴서(64)를 구비하여 상용전원운전 및 인버터 절환운전이 가능한 것을 특징으로 하는 단상유도전동기.A power stage 60 for supplying commercial AC power, a power rectifying unit 1 for converting the supplied AC power to DC power, a smoothing circuit unit 2 for smoothing the DC power supplied from the power rectifying unit 1, and Inverter driver (3) and rotor (36), sovereign (34) and auxiliary winding (composed of a plurality of power switching means for varying the voltage and frequency by converting the DC power supplied from the smoothing circuit unit 2 back to AC power) In the single-phase induction motor having an induction motor (4) consisting of 35, the first switch unit branched from the power supply stage 60 to switch the application of commercial AC power directly to the induction motor (4) (61), the second switch unit 62 for switching the commercial AC power applied directly from the power supply terminal 60 to the auxiliary winding 35 in the induction motor 4 and the power output from the inverter driver 3; ), Between the second switch 62 and the induction motor 4 Is connected to single-phase induction motor, it characterized in that a commercially available power source and an inverter driving the switching operation by having a start capacitor (64) to perform the operation for starting and driving the induction motor drive (4). 상기 제1항에 있어서, 상기 인버터구동부(3)내의 전력스위칭수단은 6개의 파워 트랜지스터(TC-TS')와 쌍을 이루는 6개의 다이오드로 이루어진 것을 특징으로 하는 단상유도전동기.2. The single phase induction motor according to claim 1, wherein the power switching means in the inverter driver (3) consists of six diodes paired with six power transistors (TC-TS '). 상기 제1항에 있어서, 상기 제1스위치부(61)와 제2스위치부(62)는 마이크로컴퓨터의 제어신호에 의하여 접점이 연결되는 릴레이스위치로 이루어진 것을 특징으로 하는 단상유도전동기.The single phase induction motor according to claim 1, wherein the first switch unit (61) and the second switch unit (62) comprise a relay switch connected to a contact point by a control signal of a microcomputer. 상기 제1항에 있어서, 상기 인버터구동부(3)내 파워트랜지스터(TC-TS')의 내압이 충분하지 않을 경우 상기 유도전동부(4)내의 주권선(34)에 전원단(60)에서 직접 인가되는 상용교류전원 및 인버터구동부(3)에서의 출력된 전원을 스위칭하는 제3스위치부(63)를 구비하여 이루어진 것을 특징으로 하는 단상유도전동기.According to claim 1, wherein when the internal voltage of the power transistor (TC-TS ') in the inverter driving section 3 is not sufficient, the main winding 34 in the induction drive section 4 directly from the power supply terminal 60. Single phase induction motor, characterized in that it comprises a third switch unit (63) for switching the commercial AC power applied and the power output from the inverter driver (3). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950002167A 1995-02-07 1995-02-07 Single phase induction motor KR0160411B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950002167A KR0160411B1 (en) 1995-02-07 1995-02-07 Single phase induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950002167A KR0160411B1 (en) 1995-02-07 1995-02-07 Single phase induction motor

Publications (2)

Publication Number Publication Date
KR960032872A true KR960032872A (en) 1996-09-17
KR0160411B1 KR0160411B1 (en) 1998-12-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101998515B1 (en) * 2018-02-23 2019-07-09 경남대학교 산학협력단 Starting CurrentReduction Method and device of Single-phase Induction Motor Based on dq-axis Transformation
KR20220086897A (en) * 2020-12-17 2022-06-24 주식회사 포스코 Apparatus for controlling output of wound-rotor induction motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101998515B1 (en) * 2018-02-23 2019-07-09 경남대학교 산학협력단 Starting CurrentReduction Method and device of Single-phase Induction Motor Based on dq-axis Transformation
KR20220086897A (en) * 2020-12-17 2022-06-24 주식회사 포스코 Apparatus for controlling output of wound-rotor induction motor

Also Published As

Publication number Publication date
KR0160411B1 (en) 1998-12-15

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