JPS6288401U - - Google Patents
Info
- Publication number
- JPS6288401U JPS6288401U JP17904185U JP17904185U JPS6288401U JP S6288401 U JPS6288401 U JP S6288401U JP 17904185 U JP17904185 U JP 17904185U JP 17904185 U JP17904185 U JP 17904185U JP S6288401 U JPS6288401 U JP S6288401U
- Authority
- JP
- Japan
- Prior art keywords
- choppers
- load
- voltage detector
- capacitor
- voltage
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案のチヨツパ制御装置の実施例の
回路図、第２図は第１図の回路の通流率５０％時
の負荷電流ＩＬ及びコンデンサ電圧Ｖｃ波形図、
第３図は第１図の回路の通流率９０％時の負荷電
流ＩＬ及びコンデンサ電圧Ｖｃ波形図である。
１……降圧用チヨツパ、２，３……低圧チヨツ
パ、４……負荷の抵抗成分。
FIG. 1 is a circuit diagram of an embodiment of the chopper control device of the present invention, FIG. 2 is a waveform diagram of the load current IL and capacitor voltage Vc when the conduction rate is 50% in the circuit of FIG.
FIG. 3 is a waveform diagram of the load current IL and capacitor voltage Vc when the conduction rate of the circuit of FIG. 1 is 90%. 1... Step-down chopper, 2, 3... Low voltage chopper, 4... Resistance component of load.
Claims (1)
直列に接続された２組のチヨツパと、これらのチ
ヨツパと負荷との直列体に対して並列に接続され
たコンデンサと、前記チヨツパがオフしたときに
負荷のインダクタンスに蓄えられたエネルギを前
記コンデンサに帰還するダイオードとを備えたも
のにおいて前記コンデンサの電圧の過電圧を検知
する電圧検知器と、この電圧検知器の出力により
前記チヨツパイオン指令を与える保護装置を設け
たことを特徴とするチヨツパ制御装置。 A load including inductance, two sets of choppers connected in series on both sides of the load, a capacitor connected in parallel to the series body of these choppers and the load, and when the choppers are turned off. a voltage detector for detecting an overvoltage of the voltage of the capacitor; and a protection device for giving the tipion command based on the output of the voltage detector. A chip control device characterized by being provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17904185U JPS6288401U (en) | 1985-11-22 | 1985-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17904185U JPS6288401U (en) | 1985-11-22 | 1985-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6288401U true JPS6288401U (en) | 1987-06-05 |
Family
ID=31121741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17904185U Pending JPS6288401U (en) | 1985-11-22 | 1985-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6288401U (en) |
-
1985
- 1985-11-22 JP JP17904185U patent/JPS6288401U/ja active Pending