JPS645364A - Inverter equipment - Google Patents
Inverter equipmentInfo
- Publication number
- JPS645364A JPS645364A JP62159198A JP15919887A JPS645364A JP S645364 A JPS645364 A JP S645364A JP 62159198 A JP62159198 A JP 62159198A JP 15919887 A JP15919887 A JP 15919887A JP S645364 A JPS645364 A JP S645364A
- Authority
- JP
- Japan
- Prior art keywords
- current
- transformer
- circuit
- inverter circuit
- inverter
- 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.)
- Granted
Links
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Inverter Devices (AREA)
Abstract
PURPOSE:To eliminate the magnetic saturation of an iron core by providing a circuit bypassing an electric current with a phase opposite to that of the collector current of the current transformer of an inverter circuit out of the secondary current of said main transformer. CONSTITUTION:An inverter equipment is equipped with an inverter circuit 1 provided with the primary winding of a current transformer CT in series with an electric-discharge lamp l, a half-wave current feedback circuit 2 returning to the base of said inverter circuit only an electric current with the same phase as that of the collector current of the main transistor Q1 of the inverter circuit 1 out of the secondary current obtained by the secondary winding of the inverter circuit, a timer circuit 3, and a breaking circuit 4. Then, there is provided a diode D3 bypassing an electric current with a phase opposite to that of said collector current out of the secondary winding current of said transformer CT. Thus, the magnetic saturation of an iron core of the transformer CT is eliminated, because the negative half cycle of the secondary current of said transformer CT flows via said diode D3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62159198A JP2562818B2 (en) | 1987-06-25 | 1987-06-25 | Inverter device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62159198A JP2562818B2 (en) | 1987-06-25 | 1987-06-25 | Inverter device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS645364A true JPS645364A (en) | 1989-01-10 |
JP2562818B2 JP2562818B2 (en) | 1996-12-11 |
Family
ID=15688467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62159198A Expired - Lifetime JP2562818B2 (en) | 1987-06-25 | 1987-06-25 | Inverter device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2562818B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4951110A (en) * | 1987-11-03 | 1990-08-21 | Siemens Aktiengesellschaft | Power semiconductor structural element with four layers |
-
1987
- 1987-06-25 JP JP62159198A patent/JP2562818B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4951110A (en) * | 1987-11-03 | 1990-08-21 | Siemens Aktiengesellschaft | Power semiconductor structural element with four layers |
Also Published As
Publication number | Publication date |
---|---|
JP2562818B2 (en) | 1996-12-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070919 Year of fee payment: 11 |