KR930005329A - Speed control method of induction motor - Google Patents

Speed control method of induction motor Download PDF

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Publication number
KR930005329A
KR930005329A KR1019910014420A KR910014420A KR930005329A KR 930005329 A KR930005329 A KR 930005329A KR 1019910014420 A KR1019910014420 A KR 1019910014420A KR 910014420 A KR910014420 A KR 910014420A KR 930005329 A KR930005329 A KR 930005329A
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KR
South Korea
Prior art keywords
control signal
torque control
torque
limit
dependent variable
Prior art date
Application number
KR1019910014420A
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Korean (ko)
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KR940004958B1 (en
Inventor
강준구
Original Assignee
성기설
금성계전 주식회사
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Application filed by 성기설, 금성계전 주식회사 filed Critical 성기설
Priority to KR1019910014420A priority Critical patent/KR940004958B1/en
Publication of KR930005329A publication Critical patent/KR930005329A/en
Application granted granted Critical
Publication of KR940004958B1 publication Critical patent/KR940004958B1/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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors

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

Abstract

내용 없음.No content.

Description

유도 전동기의 속도 제어방법Speed control method of induction motor

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

제2도는 본 발명에 따른 인버터의 블록 구성도,2 is a block diagram of an inverter according to the present invention,

제3도는 본 발명에 따른 속도 제어기의 블록 구성도,3 is a block diagram of a speed controller according to the present invention;

제4도는 본 발명 유도 전동기의 속도 제어 방법의 제어 흐름도.4 is a control flowchart of a speed control method of the induction motor of the present invention.

Claims (4)

전동기에 대한 토오크 전류(iT*)를 독립변수로 하여 그에 따른 종속변수(kp)를 구하고 이를 속도오차(△WR)와 승산하여 제1토오크 제어신호(iTP*)를 구하고 토오크 신호(iT*)와 상기 제1토오크 제어신호(iTP*)로 부터 ITI *=((iT*-iTP *)+KI(iTI *)△WR을 연산하여 제2토오크 제어신호(iTP*)를 발생시킨 다음 상기 두 신호(iTI,iTP*)를 합산하고 그 진폭의 절대치를 일정 진폭 이하로 제한하여 전동기에 대한 토오크 제어신호(iT*)를 발생시키는 것을 특징으로 하는 유도 전동기의 속도 제어방법.Using the torque current (i T *) for the motor as an independent variable, obtain the dependent variable (k p ) accordingly, multiply it by the speed error (△ W R ) to obtain the first torque control signal (i TP *), and obtain the torque signal. The second torque is calculated by calculating I TI * = ((i T * -i TP * ) + K I (i TI * ) ΔW R from (i T *) and the first torque control signal (i TP *). After generating the control signal (i TP *) and adding the two signals (i TI , i TP *) and limiting the absolute value of the amplitude to a certain amplitude or less to generate a torque control signal (i T *) for the motor Speed control method of the induction motor, characterized in that. 제1항에 있어서, 제1토오크 제어신호(iTP*)는 그 절대치가 제한치(ilim)이상이면 제한치로 고정한 다음 제2토오크 제어신호(iTI*)와 합산하여 토오크 신호(iT*)를 생성하고 생성된 토오크 신호(iT*)가 제한치(ilim)이상일 때에는 그 절대치를 제한치(ilim)로 설정한 다음 상기 제1토오크 제어신호(iTP*)의 종속 변수를 2배로 하고 제2토오크 신호(iTI*)에 대한 종속 변수를 1/2배 하여 토오크 제어신호(iT*)를 생성하는 것을 특징으로 하는 유도 전동기의 속도 제어방법.The first torque control signal i TP * is fixed to the limit value when its absolute value is greater than or equal to the limit value i lim and then summed with the second torque control signal i TI * to add the torque signal i T *. ) the generated and the case than the torque signal (i T *) the limiting value (i lim) generating a set its absolute value to limit value (i lim) following the first the dependent variable of the torque control signal (i TP *) 2-fold And generating a torque control signal (i T *) by doubling the dependent variable with respect to the second torque signal (i TI *). 제1항에 있어서, 상기 토오크 제어신호(iT*)는 그 크기에 대한 한계가 설정되어 있을 경우 생성된 토오크 제어신호(iT*)의 절대치가 제한치(ilim)이하이고 제한치(ilim)의 0.8배 이상이면 상기 제1토오크 제어신호(iT*)의 종속 변수를 2배로 하고 제2토오크 제어신호(iTP*)에 대한 종속변수를 1/2배 하여 토오크 제어신호(iT*)를 생성하는 것을 특징으로 하는 유도 전동기의 속도 제어방법.The torque control signal (i T *) is the absolute value of the generated torque control signal (i T *) is less than the limit (i lim ) and the limit (i lim ) when the limit for the magnitude is set Is greater than or equal to 0.8 times, and the dependent variable of the first torque control signal (i T *) is doubled and the dependent variable for the second torque control signal (i TP *) is 1/2 times the torque control signal (i T). Generating a *) speed control method of the induction motor. 제1항에 있어서, 토오크 제어신호(iT*)는 그 크기에 대한 한계가 설정되어 있지 않고 그 진폭의 절대치가 제한치(ilim)이하이면 상기 제1토오크 제어신호(iTP*)에 대한 종속 변수와 제2토오크 제어신호(iTI*)에 대한 종속 변수를 승산처리하지 않고 일정하게 유지시키는 것을 특징으로 하는 유도 전동기의 속도 제어방법.The method of claim 1, wherein the torque control signal (i T *) is equal to or less than the absolute value of the amplitude is not set a limit for the size limit (i lim) for the first torque control signal (i TP *) A speed control method of an induction motor, characterized in that the dependent variable and the dependent variable for the second torque control signal (i TI *) are kept constant without multiplying. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910014420A 1991-08-21 1991-08-21 Speed regulation method of induction motor KR940004958B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910014420A KR940004958B1 (en) 1991-08-21 1991-08-21 Speed regulation method of induction motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910014420A KR940004958B1 (en) 1991-08-21 1991-08-21 Speed regulation method of induction motor

Publications (2)

Publication Number Publication Date
KR930005329A true KR930005329A (en) 1993-03-23
KR940004958B1 KR940004958B1 (en) 1994-06-07

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Application Number Title Priority Date Filing Date
KR1019910014420A KR940004958B1 (en) 1991-08-21 1991-08-21 Speed regulation method of induction motor

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KR940004958B1 (en) 1994-06-07

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