KR950024411A - Deceleration time instantaneous control device of induction motor inverter - Google Patents

Deceleration time instantaneous control device of induction motor inverter Download PDF

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Publication number
KR950024411A
KR950024411A KR1019940001522A KR19940001522A KR950024411A KR 950024411 A KR950024411 A KR 950024411A KR 1019940001522 A KR1019940001522 A KR 1019940001522A KR 19940001522 A KR19940001522 A KR 19940001522A KR 950024411 A KR950024411 A KR 950024411A
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KR
South Korea
Prior art keywords
voltage
unit
deceleration time
output
induction motor
Prior art date
Application number
KR1019940001522A
Other languages
Korean (ko)
Inventor
김대환
Original Assignee
이헌조
엘지전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이헌조, 엘지전자 주식회사 filed Critical 이헌조
Priority to KR1019940001522A priority Critical patent/KR950024411A/en
Publication of KR950024411A publication Critical patent/KR950024411A/en

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  • Control Of Ac Motors In General (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

본 발명은 상용교류전원을 정류하는 정류부에서 출력되는 직류전압에 포함된 리플성분을 제거하는 평활부의 출력전압을 검출하는 전압검출부와, 상기 전압검출부에서, 검출출력된 전압과 최하위 전압제한 레벨의 기준치 전압을 비교하는 비교부와, 상기 비교부의 출력데이터에 따라 전압검출부의 출력전압을 스위칭하는 스위칭부와, 상기 스위칭부의 작동에 따라 공급되는 전압검출부의 출력전압에 따라 감속시간 지령부에서 설정된 감속시간을 연산하는 감속시간 연산부와, 상기 감속시간 연산부에서 출력되는 감속시간에 따라 운전주파수 지령부로 부터 전달된 운전주파수를 감속시켜 유도전동기의 인버터에 공급하는 운전주파수 출력부로 구성되어 유도전동기의 구동전압제한 레벨을 여러단계로 설정하여 회생 에너지의 크기에 따라 감소시간을 제어함으로써 부하에 대한 추종시간을 짧게하여 유도전동기 정지시 회생에너지에 의한 구동전압의 상승을 억제하는 유도전동기 인버터의 감속시간 순시제어장치에 관한 것이다.The present invention provides a voltage detection unit for detecting an output voltage of a smoothing unit for removing a ripple component included in a DC voltage output from a rectifying unit rectifying a commercial AC power supply, and a reference value of the detected output voltage and the lowest voltage limit level in the voltage detection unit. A deceleration time set by the deceleration time command unit according to the comparator for comparing the voltage, a switching unit for switching the output voltage of the voltage detector according to the output data of the comparator, and an output voltage of the voltage detector supplied according to the operation of the switching unit A deceleration time calculating unit for calculating a and an operating frequency output unit for decelerating the operating frequency transmitted from the operating frequency command unit according to the deceleration time output from the deceleration time calculating unit and supplying the inverter to the inverter of the induction motor. Decrease time according to the amount of regenerative energy by setting the level in several levels The deceleration time of the induction motor drive control by shortening the follow-up time for the load to suppress an increase in driving voltage due to the regenerative energy during the induction motor stops relates to instantaneous control device.

Description

유도전동기 인버터의 감속시간 순시제어장치Deceleration time instantaneous control device of induction motor inverter

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

제3도는 본 발명에 따른 유도전동기 인버터의 감속시간 순시제어장치를 나타낸 블록도.3 is a block diagram showing a deceleration time instantaneous control device of an induction motor inverter according to the present invention.

Claims (1)

상용교류전원을 정류하는 정류부에서 출력되는 직류전압에 포함된 리플성분을 제거하는 평활부의 출력전압을 검출하는 전압건출부와, 상기 전압검출부에서 검출출력된 전압과 최하위 전압제한 레벨의 기준치 전압을 비교하는 비교부와, 상기 비교부의 출력데이터에 따라 전압검출부의 출력전압을 스위칭하는 스위칭부와, 상기스위칭부의 작동에 따라 공급되는 전압검출부의 출력전압에 따라 감속시간 지령부에서 설정된 감속시간을 연산하는 감속시간 연산부와, 상기 감속시간 연산부에서 출력되는 감속시간에 따라 운전주파수 지령부로부터 전달된 운전주파수를 감속시켜 유도전동기의 인버터에 공급하는 운전주파수 출력부로 구성된 것을 특징으로 하는 유도전동기인버터의 감속시간 순시제어장치.The voltage generator detects the output voltage of the smoothing part that removes the ripple component included in the DC voltage output from the rectifying part rectifying the commercial AC power supply, and the voltage detected by the voltage detector and the reference voltage of the lowest voltage limit level are compared. Comprising a comparison unit, a switching unit for switching the output voltage of the voltage detection unit in accordance with the output data of the comparison unit, and calculates the deceleration time set in the deceleration time command unit in accordance with the output voltage of the voltage detector supplied in accordance with the operation of the switching unit Deceleration time of the induction motor inverter, characterized in that consisting of a deceleration time calculation unit and an operation frequency output unit for decelerating the operating frequency transmitted from the operation frequency command unit in accordance with the deceleration time output from the deceleration time calculation unit to supply to the inverter of the induction motor. Instantaneous control device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940001522A 1994-01-28 1994-01-28 Deceleration time instantaneous control device of induction motor inverter KR950024411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940001522A KR950024411A (en) 1994-01-28 1994-01-28 Deceleration time instantaneous control device of induction motor inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940001522A KR950024411A (en) 1994-01-28 1994-01-28 Deceleration time instantaneous control device of induction motor inverter

Publications (1)

Publication Number Publication Date
KR950024411A true KR950024411A (en) 1995-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940001522A KR950024411A (en) 1994-01-28 1994-01-28 Deceleration time instantaneous control device of induction motor inverter

Country Status (1)

Country Link
KR (1) KR950024411A (en)

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