JPS55143624A - Electric power control system - Google Patents
Electric power control systemInfo
- Publication number
- JPS55143624A JPS55143624A JP5189179A JP5189179A JPS55143624A JP S55143624 A JPS55143624 A JP S55143624A JP 5189179 A JP5189179 A JP 5189179A JP 5189179 A JP5189179 A JP 5189179A JP S55143624 A JPS55143624 A JP S55143624A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- decrease
- increase
- commercial alternating
- 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
Landscapes
- Control Of Voltage And Current In General (AREA)
Abstract
PURPOSE: To obtain a stable voltage to be supplied to a halogen lamp by using a voltage regulating circuit to increase or decrease a voltage nearly proportional to an output voltage corresponding to an increase or decrease in frequency of a commercial alternating current.
CONSTITUTION: Commercial alternating-current power 2 applied from power terminal 1 is controlled by thyristor circuit 3, whose ignition phase is controlled by phase control circuit 12, to send needed output voltage 4 out. This voltage 4 is rectified 8 via transformer 6, the rectified voltage is sent to proportional circuit 10, and a proportional output voltage is negatively fed back to circuit 12. Then, voltage regulating circuit 60 is interposed at the part of line 7 following transformer 6 so as to increase or decrease a voltage nearly proportional to the output voltage corresponding to an increase or decrease in frequency of the commercial alternating current. Consequently, the stable supply voltage of a halogen lamp can be obtained without reference to fluctuations of the frequency of the commercial alternating- current power source.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5189179A JPS55143624A (en) | 1979-04-26 | 1979-04-26 | Electric power control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5189179A JPS55143624A (en) | 1979-04-26 | 1979-04-26 | Electric power control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55143624A true JPS55143624A (en) | 1980-11-10 |
Family
ID=12899499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5189179A Pending JPS55143624A (en) | 1979-04-26 | 1979-04-26 | Electric power control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55143624A (en) |
-
1979
- 1979-04-26 JP JP5189179A patent/JPS55143624A/en active Pending
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