KR100715060B1 - 과전력 및 과전류 보호를 위한 공진 모드 전원 - Google Patents
과전력 및 과전류 보호를 위한 공진 모드 전원 Download PDFInfo
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- KR100715060B1 KR100715060B1 KR1020017003823A KR20017003823A KR100715060B1 KR 100715060 B1 KR100715060 B1 KR 100715060B1 KR 1020017003823 A KR1020017003823 A KR 1020017003823A KR 20017003823 A KR20017003823 A KR 20017003823A KR 100715060 B1 KR100715060 B1 KR 100715060B1
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- power
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- power supply
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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
- H02H7/04—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 transformers
- H02H7/05—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 transformers for capacitive voltage transformers, e.g. against resonant conditions
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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
- H05B41/282—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
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
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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
- H02M1/32—Means for protecting converters other than automatic disconnection
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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
- H02M3/325—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 using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—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 using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33538—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 using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only of the forward type
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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
- H05B41/282—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
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (5)
- 공진 모드 전원으로서,제 1 단자 및 제 2 단자를 갖고 d.c. 공급 전압을 생성하는 수단(REC)과,상기 생성 수단(REC)의 상기 제 1 단자에 결합된 제 1 단자와 공급 노드(SH)에 접속된 제 2 단자를 갖는 제 1 스위칭 소자(Tr1)와,상기 공급 노드(SH)에 결합된 제 1 단자와 상기 생성 수단(REC)의 상기 제 2 단자에 결합된 제 2 단자를 갖는 제 2 스위칭 소자(Tr2)와,제 1 단부와 상기 제 2 스위칭 소자(Tr2)의 상기 제 2 단자에 접속된 제 2 단부를 갖는 1차 권선(TL1)과, 제 1 단부와 제 2 단부와 접지된 중앙 탭(tap)을 갖는 2차 권선(TL2)을 포함하는 변압기(T)와,상기 1차 권선(TL1)의 상기 제 1 단부를 상기 공급 노드(SH)에 결합하는 캐패시터(C2)와,상기 1차 권선(TL1)의 상기 제 2 단부를 상기 생성 수단(REC)의 상기 제 2 단자에 접속하는 감지 저항기(RSENSE)와,상기 2차 권선(TL2)의 상기 제 1 단부를 출력 노드(P1)에 접속하는 제 1 다이오드(D3)와,상기 2차 권선(TL2)의 상기 제 2 단부를 상기 출력 노드(P1)에 접속하는 제 2 다이오드(D4)와,상기 제 1 및 제 2 스위칭 소자(Tr1, Tr2)의 제어 입력에 접속되어 있으며, 상기 제 1 및 제 2 스위칭 소자(Tr1, Tr2)를 교대로 턴온 및 턴오프하여(turning on and off) 적어도 상기 캐패시터(C2) 및 상기 변압기의 상기 1차 권선(TL1)을 포함하는 발진 회로에 발진을 유도하는 제어기(IC) -상기 발진 회로의 주파수는 상기 공진 모드 전원에 의해 공급되는 전력의 양에 역비례함-를 포함하되,상기 공진 모드 전원은 정상 동작 범위보다 더 큰 전력을 끌어내는 부하 내의 고장에 대하여 상기 공진 모드 전원을 보호하는 과전력 보호 회로(OPP)를 더 포함하고,상기 과전력 보호 회로(OPP)는 실제 1차 전력(real primary power)을 정확히 측정하며, 상기 과전력 보호 회로(OPP)는상기 공진 모드 전원에 공급되는 실효 전력량을 결정하는 수단(40, 42)과,상기 실효 전력을 사전 결정된 임계치(V1)와 비교하는 수단(44)과,상기 실효 전력이 상기 임계치(V1)를 초과할 때 상기 제어기(IC)에 대해 제어 신호를 생성하여, 상기 제어기(IC)가 처음에 상기 발진 회로의 주파수를 증가시켜 공급되는 전력을 감소시키고 그 다음에 과전력 상태가 지속되면 상기 제 1 및 제 2 스위칭 소자(Tr1, Tr2)의 스위칭을 중지시키도록 하는 제어 신호 생성 수단(44)을 포함하는 공진 모드 전원.
- 제 1 항에 있어서,상기 공진 모드 전원은 과전류 보호 회로(OCP)를 더 포함하고,상기 과전류 보호 회로는상기 제 2 스위칭 소자 내에서 흐르는 전류의 값을 결정하는 수단(RSENSE, ISENSE)과,상기 전류의 값을 추가적인 임계치(V2)와 비교하는 수단(46, 48, 50)과,상기 전류가 상기 추가적인 임계치(V2)를 초과할 때 상기 제어기(IC)에 대한 제어 신호를 생성하여, 상기 제어기(IC)가 상기 제 1 및 제 2 스위칭 소자(Tr1, Tr2)의 스위칭을 즉시 중지시키도록 하는 제어 신호 생성 수단(46, 48, 50)을 포함하는 공진 모드 전원.
- 제 1 항에 있어서,상기 실효 전력량을 결정하는 수단(40, 42)은상기 제 2 스위칭 소자(Tr2)를 통해 흐르는 전류의 값을 결정하는 수단(RSENSE, ISENSE)과,상기 공급 노드(SH)에서의 전압과 상기 결정된 전류의 값을 곱하는 승산기(40)와,상기 승산기(40)로부터의 출력을 적분하여 평균하는 적분 평균기(integrator averager)(42)를 포함하는 공진 모드 전원.
- 제 2 항에 있어서,상기 제 2 스위칭 소자를 통해 흐르는 전류의 값을 결정하는 수단(RSENSE, ISENSE)은상기 감지 저항기(RSENSE) 양단의 전압을 측정하는 수단(ISENSE)을 포함하는 공진 모드 전원.
- 제 4 항에 있어서,상기 공급 노드(SH)에서의 전압을 상기 결정된 전류의 값과 곱하는 승산기(40)와,상기 승산기(40)로부터의 출력을 적분하여 평균하는 적분 평균기(42)를 포함하는 공진 모드 전원.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/362,466 | 1999-07-28 | ||
US09/362,466 US6087782A (en) | 1999-07-28 | 1999-07-28 | Resonant mode power supply having over-power and over-current protection |
Publications (2)
Publication Number | Publication Date |
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KR20010075362A KR20010075362A (ko) | 2001-08-09 |
KR100715060B1 true KR100715060B1 (ko) | 2007-05-07 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020017003823A KR100715060B1 (ko) | 1999-07-28 | 2000-07-17 | 과전력 및 과전류 보호를 위한 공진 모드 전원 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6087782A (ko) |
EP (1) | EP1118150B1 (ko) |
JP (1) | JP2003506999A (ko) |
KR (1) | KR100715060B1 (ko) |
DE (1) | DE60041173D1 (ko) |
TW (1) | TW501335B (ko) |
WO (1) | WO2001010005A1 (ko) |
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1999
- 1999-07-28 US US09/362,466 patent/US6087782A/en not_active Expired - Lifetime
-
2000
- 2000-07-17 EP EP00956191A patent/EP1118150B1/en not_active Expired - Lifetime
- 2000-07-17 DE DE60041173T patent/DE60041173D1/de not_active Expired - Fee Related
- 2000-07-17 JP JP2001514526A patent/JP2003506999A/ja active Pending
- 2000-07-17 WO PCT/EP2000/006806 patent/WO2001010005A1/en active Application Filing
- 2000-07-17 KR KR1020017003823A patent/KR100715060B1/ko active IP Right Grant
- 2000-07-26 TW TW089114941A patent/TW501335B/zh not_active IP Right Cessation
Patent Citations (3)
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US5218521A (en) * | 1991-03-14 | 1993-06-08 | Telemecanique | Method and device for protecting an electrical converter circuit against overload |
US5428267A (en) * | 1992-07-09 | 1995-06-27 | Premier Power Systems, Inc. | Regulated DC power supply |
US5615093A (en) * | 1994-08-05 | 1997-03-25 | Linfinity Microelectronics | Current synchronous zero voltage switching resonant topology |
Also Published As
Publication number | Publication date |
---|---|
KR20010075362A (ko) | 2001-08-09 |
DE60041173D1 (de) | 2009-02-05 |
TW501335B (en) | 2002-09-01 |
WO2001010005A1 (en) | 2001-02-08 |
EP1118150A1 (en) | 2001-07-25 |
JP2003506999A (ja) | 2003-02-18 |
EP1118150B1 (en) | 2008-12-24 |
US6087782A (en) | 2000-07-11 |
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