CA1327991C - High frequency ballast for gaseous discharge lamps - Google Patents
High frequency ballast for gaseous discharge lampsInfo
- Publication number
- CA1327991C CA1327991C CA000532219A CA532219A CA1327991C CA 1327991 C CA1327991 C CA 1327991C CA 000532219 A CA000532219 A CA 000532219A CA 532219 A CA532219 A CA 532219A CA 1327991 C CA1327991 C CA 1327991C
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- voltage
- frequency
- power
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 37
- 238000004804 winding Methods 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 9
- 230000001965 increasing effect Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 230000005284 excitation Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 208000003251 Pruritus Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H05B41/2858—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84585386A | 1986-03-28 | 1986-03-28 | |
| US845,853 | 1986-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1327991C true CA1327991C (en) | 1994-03-22 |
Family
ID=25296241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000532219A Expired - Fee Related CA1327991C (en) | 1986-03-28 | 1987-03-17 | High frequency ballast for gaseous discharge lamps |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0239420B1 (de) |
| JP (1) | JPS63999A (de) |
| AT (1) | ATE71244T1 (de) |
| AU (1) | AU609388B2 (de) |
| CA (1) | CA1327991C (de) |
| DE (1) | DE3775588D1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4873471A (en) * | 1986-03-28 | 1989-10-10 | Thomas Industries Inc. | High frequency ballast for gaseous discharge lamps |
| JPH07118394B2 (ja) * | 1987-06-15 | 1995-12-18 | 松下電工株式会社 | 放電灯点灯装置 |
| DE3742921A1 (de) * | 1987-12-17 | 1989-06-29 | Pintsch Bamag Ag | Vorschaltgeraet fuer eine entladungslampe |
| JPH01186790A (ja) * | 1988-01-18 | 1989-07-26 | Mitsubishi Electric Corp | 放電ランプの点灯装置 |
| DE69016815T2 (de) * | 1989-04-14 | 1995-09-07 | Tlg Plc | Vorschaltgeräte für Gasentladungslampen. |
| US5345164A (en) * | 1993-04-27 | 1994-09-06 | Metcal, Inc. | Power factor corrected DC power supply |
| EP0677982B1 (de) * | 1994-04-15 | 2000-02-09 | Knobel Ag Lichttechnische Komponenten | Verfahren zum Betrieb eines Vorschaltgeräts für Entladungslampen |
| US6172468B1 (en) | 1997-01-14 | 2001-01-09 | Metrolight Ltd. | Method and apparatus for igniting a gas discharge lamp |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH637251A5 (de) * | 1978-12-22 | 1983-07-15 | Contrinex Sa | Stromversorgungsanordnung zur speisung einer induktiven oder ohmisch-induktiven last. |
| DE3142613A1 (de) * | 1981-10-28 | 1983-05-05 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zum zuenden und betrieb einer niederdruckquecksilberdampfentladungslampe |
| DE3149526A1 (de) * | 1981-12-14 | 1983-06-23 | Philips Patentverwaltung | Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen |
| NL8201631A (nl) * | 1982-04-20 | 1983-11-16 | Philips Nv | Gelijkstroom-wisselstroomomzetter voor het ontsteken en met wisselstroom voeden van een gas- en/of dampontladingslamp. |
| US4560908A (en) * | 1982-05-27 | 1985-12-24 | North American Philips Corporation | High-frequency oscillator-inverter ballast circuit for discharge lamps |
| US4873471A (en) * | 1986-03-28 | 1989-10-10 | Thomas Industries Inc. | High frequency ballast for gaseous discharge lamps |
-
1987
- 1987-03-17 CA CA000532219A patent/CA1327991C/en not_active Expired - Fee Related
- 1987-03-26 AU AU70671/87A patent/AU609388B2/en not_active Ceased
- 1987-03-27 DE DE8787302692T patent/DE3775588D1/de not_active Expired - Lifetime
- 1987-03-27 EP EP87302692A patent/EP0239420B1/de not_active Expired - Lifetime
- 1987-03-27 AT AT87302692T patent/ATE71244T1/de not_active IP Right Cessation
- 1987-03-28 JP JP62075776A patent/JPS63999A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU609388B2 (en) | 1991-05-02 |
| AU7067187A (en) | 1987-10-01 |
| EP0239420A1 (de) | 1987-09-30 |
| JPS63999A (ja) | 1988-01-05 |
| EP0239420B1 (de) | 1992-01-02 |
| ATE71244T1 (de) | 1992-01-15 |
| DE3775588D1 (de) | 1992-02-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20000322 |