KR930010670A - Phase control device of three-phase rectified voltage - Google Patents

Phase control device of three-phase rectified voltage Download PDF

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Publication number
KR930010670A
KR930010670A KR1019910020529A KR910020529A KR930010670A KR 930010670 A KR930010670 A KR 930010670A KR 1019910020529 A KR1019910020529 A KR 1019910020529A KR 910020529 A KR910020529 A KR 910020529A KR 930010670 A KR930010670 A KR 930010670A
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KR
South Korea
Prior art keywords
phase
voltage
control device
control
rectified voltage
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KR1019910020529A
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Korean (ko)
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KR940001785B1 (en
Inventor
임상권
전동렬
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강진구
삼성전자 주식회사
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Priority to KR1019910020529A priority Critical patent/KR940001785B1/en
Publication of KR930010670A publication Critical patent/KR930010670A/en
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Publication of KR940001785B1 publication Critical patent/KR940001785B1/en

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Rectifiers (AREA)
  • Inverter Devices (AREA)

Abstract

내용 없음No content

Description

3상 정류전압의 위상제어장치Phase control device of three-phase rectified voltage

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

제1도는 본 발명의 개략적인 회로도이고,1 is a schematic circuit diagram of the present invention,

제2도는 본 발명의 위상신호검출 및 발생부의 출력파형이며,2 is an output waveform of the phase signal detection and generation unit of the present invention,

제3도는 본 발명 위상각 펄스발생단의 출력파형이고,3 is an output waveform of the phase angle pulse generation stage of the present invention,

제4도는 본 발명 상순 보정부의 출력파형이며,4 is an output waveform of the early correction unit of the present invention,

제5도는 종래 DC전압 발생장치의 개략적인 회로도이다.5 is a schematic circuit diagram of a conventional DC voltage generator.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 인버터 2 : 정류부1: Inverter 2: Rectifier

3 : 위상신호검출 및 발생부 4 : 위상판별 및 변환부3: phase signal detection and generation unit 4: phase discrimination and conversion unit

5 : DC전압 제어부 6 : 3상 정류 SCR5: DC voltage control unit 6: 3-phase rectification SCR

7 : 트랜스 8, 9 : 제1, 2 OP앰프7: Trans 8, 9: 1st, 2nd OP amp

10, 11, 12 : 제3, 4, 5 OP앰프 3 : 멀티플렉서10, 11, 12: 3rd, 4th, 5th OP amplifier 3: Multiplexer

14 : 위상각 펄스발생단 15 : 미분 OP앰프14: phase angle pulse generation stage 15: differential OP amplifier

16 : SCR 드라이버 17 : 펄스파 발생부16: SCR driver 17: pulse wave generator

18 : 상순 보정부 19 : 앤드게이트18: Upper stage correction unit 19: And gate

20 : 위상제어 on/off스위치 21 : 전압검출단20: phase control on / off switch 21: voltage detection terminal

22 : 서보모터22: servo motor

Claims (4)

인버터(1)가 구비된 전력장치에 있어서, 소정의 전원전압을 공급받아 정류한뒤 DC전압을 발생시켜 상기 인버터(1)에 공급하도록된 정류부(2)와, 인가되는 소정의 전원전압으로부터 그 위상신호를 검출하여 증폭한 다음 소정파형의 위상검출신호를 발생시키도록된 위상신호검출 및 발생부(3), 이 위상신호검출 및 발생부(3)로부터 출력된 위상검출신호로부터 그 각 상간의 위상각을 산출하도록하여 위상제어펄스를 발생하도록된 위상판별 및 변환부(4), 전원전압인가시 상승되는 DC전압을 제어하기 위해 위상을 변이하여 제어하도록된 DC전압 제어부(5)가 연결된 것을 특징으로 하는 3상 정류전압의 위상제어장치.In a power device provided with an inverter (1), the rectifier (2) is configured to receive and rectify a predetermined power supply voltage, generate a DC voltage, and supply the DC power to the inverter (1), and from the predetermined power supply voltage applied thereto. Phase signal detection and generation section 3, which detects and amplifies the phase signal and generates a phase detection signal of a predetermined waveform, between phases from the phase detection signal output from the phase signal detection and generation section 3; The phase discrimination and conversion unit 4 is configured to calculate the phase angle so as to generate a phase control pulse, and the DC voltage control unit 5 is configured to control the phase shift to control the DC voltage rising when the power supply voltage is applied. A phase control device for three-phase rectified voltage. 제1항에 있어서, 상기 위상판별 및 변환부(4)가 위상각 펄스를 발생하도록된 위상각펄스 발생수단(14)과, 상기 정류부(2)의 3상 정류 SCR(6)를 구동하기 위한 SCR 드라이버(16), 이 SCR 드라이버(16)를 구동하기위한 구동펄스를 발생하도록된 펄스파 발생부(17), 잘못된 상순을 보정하도록된 상순 보정부(18), 상순을 선택변환시켜주기 위한 멀티플렉서(13)로 이루어진 것을 특징으로 하는 3상 정류전압의 위상 제어장치.2. The phase angle pulse generating means (14) according to claim 1, wherein the phase discriminating and converting portion (4) is adapted to drive the phase angle pulse generating means (14) and the three-phase rectification SCR (6) of the rectifying portion (2). SCR driver 16, pulse wave generator 17 for generating drive pulses for driving the SCR driver 16, upper corrector 18 for correcting wrong upper order, and for converting the upper order. Phase control device of a three-phase rectified voltage, characterized in that consisting of a multiplexer (13). 제2항에 있어서, 상기 멀티플렉서(13)의 출력단에 위상제어 on/off스위치(20)의 출력선이 연결되어 선택적인 위상제어를 할 수 있도록된 앤드게이트(19)가 연결된 것을 특징으로 하는 3상 정류전압의 위상제어장치.The output gate of the phase control on / off switch 20 is connected to an output terminal of the multiplexer 13 so that the end gate 19 is connected to allow selective phase control. Phase control device for phase rectified voltage. 제1항에 있어서, 상기 DC전압 제어부(5)가 DC전압을 검출하도록된 전압검출단(21)과 정전압공급용 트랜지스터(TR), 위상각을 변이시켜 DC전압을 제어하도록된 미분 OP앰프(15)로 이루어진 것을 특징으로 하는 3상 정류전압의 위상제어장치.The differential OP amplifier of claim 1, wherein the DC voltage controller 5 controls the DC voltage by varying the phase angle of the voltage detector 21, the constant voltage supply transistor TR, and the phase angle. Phase control device of a three-phase rectified voltage, characterized in that consisting of 15). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910020529A 1991-11-18 1991-11-18 Phase control device of three-phase rectification voltage KR940001785B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910020529A KR940001785B1 (en) 1991-11-18 1991-11-18 Phase control device of three-phase rectification voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910020529A KR940001785B1 (en) 1991-11-18 1991-11-18 Phase control device of three-phase rectification voltage

Publications (2)

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KR930010670A true KR930010670A (en) 1993-06-23
KR940001785B1 KR940001785B1 (en) 1994-03-05

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