KR890011179A - Abnormal state detection circuit of motor speed control system - Google Patents

Abnormal state detection circuit of motor speed control system Download PDF

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Publication number
KR890011179A
KR890011179A KR1019870015040A KR870015040A KR890011179A KR 890011179 A KR890011179 A KR 890011179A KR 1019870015040 A KR1019870015040 A KR 1019870015040A KR 870015040 A KR870015040 A KR 870015040A KR 890011179 A KR890011179 A KR 890011179A
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KR
South Korea
Prior art keywords
abnormal state
control system
detection circuit
speed control
state detection
Prior art date
Application number
KR1019870015040A
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Korean (ko)
Other versions
KR900003995B1 (en
Inventor
조미동
정태경
임한준
Original Assignee
이정훈
대우중공업 주식회사
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Publication date
Application filed by 이정훈, 대우중공업 주식회사 filed Critical 이정훈
Priority to KR8715040A priority Critical patent/KR900003995B1/en
Publication of KR890011179A publication Critical patent/KR890011179A/en
Application granted granted Critical
Publication of KR900003995B1 publication Critical patent/KR900003995B1/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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

내용 없음No content

Description

모터 속도 제어시스템의 이상상태 검출회로Abnormal state detection circuit of motor speed control system

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

제3도는 본 발명의 모터 속도 제어시스템의 이상상태 검출 회로도.3 is an abnormal state detection circuit diagram of the motor speed control system of the present invention.

Claims (3)

지령전압 및 궤환전압의 차전압 판별부(가)와 궤환전압 판별부(나)와 지령전압 판별부(다)의 출력을 조합하는 출력신호 조합부(라)의 출력으로 모터 제어 및 이상상태 출력부(마)가 제어되게 연결 구성함을 특징으로 하는 모터 속도 제어시스템의 이상상태 검출회로.Motor control and abnormal state output by the output of the output voltage combination unit (D) combining the outputs of the difference voltage discriminating unit (A) of the command voltage and feedback voltage, and the output of the feedback voltage discriminator (B) and the command voltage discriminating unit (C) An abnormal state detection circuit of a motor speed control system, characterized in that the part (e) is controlled to be connected. 제1항에 있어서, 차전압 판별부(가)가 차동 증폭회로와 다이오드(D11-D14)와 제너 다이오드(ZD1)와 포토 커플러(PC1)으로 구성됨을 특징으로 하는 모터 속도 제어시스템의 이상상태 검출회로.The motor speed control system according to claim 1, wherein the differential voltage discriminator comprises a differential amplifier circuit, a diode D 11 -D 14 , a zener diode ZD 1 , and a photo coupler PC 1 . Abnormal state detection circuit. 제1항에 있어서, 궤환전압 판별부(나)가 인버팅 회로와 다이오드(D21-D24)와 제너 다이오드(ZD2)와 포토 커플러(PC2)로 구성이 되며, 또한 지령전압 판별부(다)도 이와 동일 구성으로 됨을 특징으로 하는 모터 속도 제어시스템의 이상상태 검출회로.The feedback voltage discrimination unit (B) is configured of an inverting circuit, a diode (D 21 -D 24 ), a zener diode (ZD 2 ), and a photo coupler (PC 2 ). (C) is also the same configuration as the abnormal state detection circuit of the motor speed control system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8715040A 1987-12-28 1987-12-28 Arrangement for speed regulation of electric motor KR900003995B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8715040A KR900003995B1 (en) 1987-12-28 1987-12-28 Arrangement for speed regulation of electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8715040A KR900003995B1 (en) 1987-12-28 1987-12-28 Arrangement for speed regulation of electric motor

Publications (2)

Publication Number Publication Date
KR890011179A true KR890011179A (en) 1989-08-14
KR900003995B1 KR900003995B1 (en) 1990-06-07

Family

ID=19267400

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8715040A KR900003995B1 (en) 1987-12-28 1987-12-28 Arrangement for speed regulation of electric motor

Country Status (1)

Country Link
KR (1) KR900003995B1 (en)

Also Published As

Publication number Publication date
KR900003995B1 (en) 1990-06-07

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