JPH01145095U - - Google Patents
Info
- Publication number
- JPH01145095U JPH01145095U JP4042488U JP4042488U JPH01145095U JP H01145095 U JPH01145095 U JP H01145095U JP 4042488 U JP4042488 U JP 4042488U JP 4042488 U JP4042488 U JP 4042488U JP H01145095 U JPH01145095 U JP H01145095U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- saturable reactor
- lighting device
- bidirectional thyristor
- secondary side
- 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.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Description
第１図は本考案の調光形放電灯点灯装置を示し
た回路図、第２図はランプ電圧、ランプ電流、ラ
ンプ電力の関係を示したグラフである。
１……交流電源、２……調光回路、３……放電
灯、Ｔ……リーケージトランス、ＣＨ……可飽和
リアクトル、ＴＲ……三端子双方向性サイリスタ
、Ｄ……交流スイツチング素子。
FIG. 1 is a circuit diagram showing the dimming type discharge lamp lighting device of the present invention, and FIG. 2 is a graph showing the relationship among lamp voltage, lamp current, and lamp power. 1... AC power supply, 2... Dimmer circuit, 3... Discharge lamp, T... Leakage transformer, CH... Saturable reactor, TR... Three-terminal bidirectional thyristor, D... AC switching element.
Claims (1)
灯を接続した調光形放電灯点灯装置であつて、前
記調光回路は、可飽和リアクトルの一次側を前記
放電灯に接続し、該可飽和リアクトルの二次側に
三端子双方向性サイリスタを直列接続し、該三端
子双方向性サイリスタにより該可飽和リアクトル
の二次側を流れる電流を制御して前記放電灯を調
光することを特徴とする調光形放電灯点灯装置。 A dimming type discharge lamp lighting device in which a discharge lamp is connected to a power source via a phase advance type ballast and a dimmer circuit, wherein the dimmer circuit connects the primary side of a saturable reactor to the discharge lamp, and A three-terminal bidirectional thyristor is connected in series to the secondary side of the saturable reactor, and the electric current flowing through the secondary side of the saturable reactor is controlled by the three-terminal bidirectional thyristor to dim the discharge lamp. A dimmable discharge lamp lighting device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4042488U JPH01145095U (en) | 1988-03-29 | 1988-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4042488U JPH01145095U (en) | 1988-03-29 | 1988-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01145095U true JPH01145095U (en) | 1989-10-05 |
Family
ID=31266895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4042488U Pending JPH01145095U (en) | 1988-03-29 | 1988-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01145095U (en) |
-
1988
- 1988-03-29 JP JP4042488U patent/JPH01145095U/ja active Pending
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