KR100806686B1 - 출력전력 제어회로를 포함한 스위칭 전원장치 - Google Patents
출력전력 제어회로를 포함한 스위칭 전원장치 Download PDFInfo
- Publication number
- KR100806686B1 KR100806686B1 KR1020060052502A KR20060052502A KR100806686B1 KR 100806686 B1 KR100806686 B1 KR 100806686B1 KR 1020060052502 A KR1020060052502 A KR 1020060052502A KR 20060052502 A KR20060052502 A KR 20060052502A KR 100806686 B1 KR100806686 B1 KR 100806686B1
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- KR
- South Korea
- Prior art keywords
- output
- output power
- smoothing circuits
- power supply
- rectifying
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for DC-DC converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/285—Single converters with a plurality of output stages connected in parallel
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/04—Modifications for accelerating switching
- H03K17/042—Modifications for accelerating switching by feedback from the output circuit to the control circuit
- H03K17/04206—Modifications for accelerating switching by feedback from the output circuit to the control circuit in field-effect transistor switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (5)
- 일차측에 입력전압이 인가되는 일차 권선부 및 이차측에 복수의 이차 권선부를 포함하는 트랜스와, 상기 트랜스의 이차측 출력전압을 정류하는 복수의 정류평활회로를 구비한 스위칭 전원장치에 있어서, 상기 스위칭 전원장치는, 출력전력 제어회로를 포함하며,상기 출력전력 제어회로는, 상기 복수의 정류평활회로와 연결되고, 상기 복수의 정류평활회로 각각에 흐르는 전류의 합을 검출하기 위한 하나의 전류검출수단;상기 복수의 정류평활회로와 연결되고, 상기 복수의 정류평활회로의 각 출력전압 및 상기 전류검출수단의 양단에 발생되는 전압을 인가받아 이를 이용하여 출력전력을 계산하고, 상기 계산된 값을 출력하는 출력전력 계산부;상기 출력전력 계산부와 연결되고, 상기 출력전력 계산부로부터 계산된 출력전력을 인가받아 상기 출력전력이 사전에 설정된 기준전력보다 높을 경우 제1 제어신호를 출력하는 과전력 판단부;상기 과전력 판단부 및 각 복수의 정류평활회로와 연결되고, 상기 과전력 판단부로부터 제1 제어신호가 인가될 경우 제2 제어신호를 출력하는 PWM 제어부; 및상기 PWM 제어부와 연결되고, 상기 PWM 제어부로부터 제2 제어신호가 인가될 경우 오프되어 상기 트랜스 일차측에 입력전압의 공급을 차단하는 스위치수단;을 포함하는 스위칭 전원장치.
- 제1항에 있어서,상기 출력전력 계산부는,상기 복수의 정류평활회로와 연결되고, 상기 복수의 정류평활회로 각각의 출력전압을 덧셈연산 하는 덧셈부; 및상기 덧셈부 및 전류검출수단과 연결되고, 상기 덧셈부에 의해 연산된 전압과 전류검출수단의 양단에 발생되는 전압을 곱셈연산 하는 곱셈부;를 포함하는 것을 특징으로 하는 스위칭 전원장치.
- 제2항에 있어서,상기 전류검출수단은, 저항, 전류변압기 또는 전류검출용 직접회로 중 어느 하나인 것을 특징으로 하는 스위칭 전원장치.
- 제1항에 있어서,상기 과전력 판단부는,상기 출력전력 계산부로부터 인가되는 출력전력을 비반전단자로 인가받고, 사전에 설정된 기준전력을 반전단자로 인가받아 상기 출력전력과 기준전력을 비교하는 비교기인 것을 특징으로 하는 스위칭 전원장치.
- 제1항에 있어서,상기 스위치수단은, MOSFET인 것을 특징으로 하는 스위칭 전원장치.
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KR1020060052502A KR100806686B1 (ko) | 2006-06-12 | 2006-06-12 | 출력전력 제어회로를 포함한 스위칭 전원장치 |
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KR20070118409A KR20070118409A (ko) | 2007-12-17 |
KR100806686B1 true KR100806686B1 (ko) | 2008-02-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100980406B1 (ko) * | 2008-07-08 | 2010-09-07 | 삼성전기주식회사 | 멀티 피드백 제어회로를 포함하는 교류-직류 컨버터 |
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US9831768B2 (en) | 2014-07-17 | 2017-11-28 | Crane Electronics, Inc. | Dynamic maneuvering configuration for multiple control modes in a unified servo system |
US9780635B1 (en) | 2016-06-10 | 2017-10-03 | Crane Electronics, Inc. | Dynamic sharing average current mode control for active-reset and self-driven synchronous rectification for power converters |
US9735566B1 (en) | 2016-12-12 | 2017-08-15 | Crane Electronics, Inc. | Proactively operational over-voltage protection circuit |
US9742183B1 (en) | 2016-12-09 | 2017-08-22 | Crane Electronics, Inc. | Proactively operational over-voltage protection circuit |
US9979285B1 (en) | 2017-10-17 | 2018-05-22 | Crane Electronics, Inc. | Radiation tolerant, analog latch peak current mode control for power converters |
US10425080B1 (en) | 2018-11-06 | 2019-09-24 | Crane Electronics, Inc. | Magnetic peak current mode control for radiation tolerant active driven synchronous power converters |
CN111564973A (zh) * | 2020-06-04 | 2020-08-21 | 成都光电传感技术研究所有限公司 | 一种dc-dc适配电源及其转换控制方法 |
Citations (1)
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KR970068083A (ko) * | 1996-03-08 | 1997-10-13 | 김광호 | 과전류 및 과전압 보호기능을 갖는 스위칭 모드 전원공급기 |
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Patent Citations (1)
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KR970068083A (ko) * | 1996-03-08 | 1997-10-13 | 김광호 | 과전류 및 과전압 보호기능을 갖는 스위칭 모드 전원공급기 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100980406B1 (ko) * | 2008-07-08 | 2010-09-07 | 삼성전기주식회사 | 멀티 피드백 제어회로를 포함하는 교류-직류 컨버터 |
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