KR101021561B1 - 고압방전 램프용 인버터 - Google Patents
고압방전 램프용 인버터 Download PDFInfo
- Publication number
- KR101021561B1 KR101021561B1 KR1020090055955A KR20090055955A KR101021561B1 KR 101021561 B1 KR101021561 B1 KR 101021561B1 KR 1020090055955 A KR1020090055955 A KR 1020090055955A KR 20090055955 A KR20090055955 A KR 20090055955A KR 101021561 B1 KR101021561 B1 KR 101021561B1
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- discharge lamp
- inverter
- luminance
- difference
- Prior art date
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2885—Static converters especially adapted therefor; Control thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2881—Load circuits; Control thereof
- H05B41/2882—Load circuits; Control thereof the control resulting from an action on the static converter
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (3)
- 삭제
- 고압방전 램프에서 조명되는 빛의 감지 휘도에 비례하는 전압과 설정된 적정 휘도에 비례하는 전압을 비교하여 전압차에 의해 PID 제어하는 PID 비교제어기와,상기 전압차와 기준 주파수용 정격 DC 전압을 합산하여 그 합산 전압이 감지 휘도와 설정 휘도의 차이에 의해 정격 DC 전압을 기준으로 반비례 가변하도록 하는 가산기와,상기 가산기의 가변 전압에 따라 발진 주파수를 가변하는 VVVF와,상기 가변 주파수에 의해 승압 트랜스포머의 1차측 전압을 스위칭하는 스위칭 구동부와,상기 1차측 전압이 스위칭 됨으로써 2차측에 고압 AC 전원을 발생하여 고압방전 램프로 공급하는 승압 트랜스포머로 이루어지는 것을 특징으로 하되,상기 고압방전 램프의 휘도는 빛의 양에 따라서 저항이 변하는 CdS 센서에 의해 감지되는 것을 특징으로 하는 고압방전 램프용 인버터.
- 고압방전 램프에서 조명되는 빛의 감지 휘도에 비례하는 전압과 설정된 적정 휘도에 비례하는 전압을 비교하여 전압차에 의해 PID 제어하는 PID 비교제어기와,상기 전압차와 기준 주파수용 정격 DC 전압을 합산하여 그 합산 전압이 감지 휘도와 설정 휘도의 차이에 의해 정격 DC 전압을 기준으로 반비례 가변하도록 하는 가산기와,상기 가산기의 가변 전압에 따라 발진 주파수를 가변하는 VVVF와,상기 가변 주파수에 의해 승압 트랜스포머의 1차측 전압을 스위칭하는 스위칭 구동부와,상기 1차측 전압이 스위칭 됨으로써 2차측에 고압 AC 전원을 발생하여 고압방전 램프로 공급하는 승압 트랜스포머로 이루어지는 것을 특징으로 하되,상기 가산기와 VVVF 사이에는 가산기에 출력되는 가변 전압의 상하한 전압을 제어하는 한계전압 제어기가 개재되는 것을 특징으로 하는 고압방전 램프용 인버터.
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KR1020090055955A KR101021561B1 (ko) | 2009-06-23 | 2009-06-23 | 고압방전 램프용 인버터 |
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KR1020090055955A KR101021561B1 (ko) | 2009-06-23 | 2009-06-23 | 고압방전 램프용 인버터 |
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KR20100137753A KR20100137753A (ko) | 2010-12-31 |
KR101021561B1 true KR101021561B1 (ko) | 2011-03-16 |
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Families Citing this family (1)
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KR101957575B1 (ko) | 2017-06-23 | 2019-03-13 | 인투코어테크놀로지 주식회사 | 전원 공급 장치 및 부하에 전원을 공급하는 방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06215887A (ja) * | 1992-11-05 | 1994-08-05 | General Electric Co <Ge> | 高輝度放電ランプ用給電回路および方法 |
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- 2009-06-23 KR KR1020090055955A patent/KR101021561B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06215887A (ja) * | 1992-11-05 | 1994-08-05 | General Electric Co <Ge> | 高輝度放電ランプ用給電回路および方法 |
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