JPH01143291U - - Google Patents
Info
- Publication number
- JPH01143291U JPH01143291U JP3726588U JP3726588U JPH01143291U JP H01143291 U JPH01143291 U JP H01143291U JP 3726588 U JP3726588 U JP 3726588U JP 3726588 U JP3726588 U JP 3726588U JP H01143291 U JPH01143291 U JP H01143291U
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- signal
- phase shift
- power supply
- storage circuit
- 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
- 230000010363 phase shift Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 1
Landscapes
- Electrostatic Separation (AREA)
- Rectifiers (AREA)
- Control Of Voltage And Current In General (AREA)
- Power Conversion In General (AREA)
Description
第１図はこの考案の実施例のブロツク回路図、
第２図は第１図の要部拡大ブロツク回路図、第３
図は第１図および第２図の各信号相関図、第４図
は第１図および第２図の制御信号切換え説明図で
ある。
１……比較演算部、２……制御信号、３……主
変換素子、４……点弧信号、５……移相制御部、
６……記憶回路、７……故障信号、８……切換え
回路。
Figure 1 is a block circuit diagram of an embodiment of this invention.
Figure 2 is an enlarged block circuit diagram of the main parts of Figure 1;
This figure is a signal correlation diagram of FIGS. 1 and 2, and FIG. 4 is an explanatory diagram of control signal switching in FIGS. 1 and 2. DESCRIPTION OF SYMBOLS 1... Comparison calculation unit, 2... Control signal, 3... Main conversion element, 4... Firing signal, 5... Phase shift control unit,
6... Memory circuit, 7... Failure signal, 8... Switching circuit.
Claims (1)
装置において、負荷電流と負荷電圧を検出して比
較演算を行う比較演算部と、この比較演算部から
出力した制御信号を主変換素子の点弧信号に変換
する移相制御部と、前記制御信号の記憶回路と、
比較演算部の故障時にこれから出力する故障信号
により移相制御部に入力する制御信号を記憶回路
の出力信号に切換える切換え回路とを備え、前記
記憶回路と切換え回路を移相制御部の電源で作動
させるようにしたことを特徴とする電源装置。 In a power supply device that receives power from an AC power source and controls the conversion to DC, there is a comparison calculation unit that detects load current and load voltage and performs comparison calculations, and a control signal output from this comparison calculation unit is used as an ignition signal for the main conversion element. a phase shift control unit that converts the control signal into a storage circuit for the control signal;
and a switching circuit that switches the control signal input to the phase shift control section to the output signal of the storage circuit based on a failure signal that will be output when the comparison calculation section fails, and the storage circuit and the switching circuit are operated by the power supply of the phase shift control section. A power supply device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3726588U JPH01143291U (en) | 1988-03-22 | 1988-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3726588U JPH01143291U (en) | 1988-03-22 | 1988-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01143291U true JPH01143291U (en) | 1989-10-02 |
Family
ID=31263845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3726588U Pending JPH01143291U (en) | 1988-03-22 | 1988-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01143291U (en) |
-
1988
- 1988-03-22 JP JP3726588U patent/JPH01143291U/ja active Pending