JPH0421189U - - Google Patents
Info
- Publication number
- JPH0421189U JPH0421189U JP6015490U JP6015490U JPH0421189U JP H0421189 U JPH0421189 U JP H0421189U JP 6015490 U JP6015490 U JP 6015490U JP 6015490 U JP6015490 U JP 6015490U JP H0421189 U JPH0421189 U JP H0421189U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- capacitor
- circuit
- connection point
- input
- 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 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係る交流入力コンバータの起
動回路の一実施例を示す回路図、第２図は従来の
交流入力コンバータの起動回路を示す回路図であ
る。
３……フイルタ用コンデンサ、４，５……抵抗
器、６……ブリツジダイオード、７……電解コン
デンサ、１０……スイツチングトランジスタ、１
４……コンバータ本体、１５……直列接続回路。
FIG. 1 is a circuit diagram showing an embodiment of a starting circuit for an AC input converter according to the present invention, and FIG. 2 is a circuit diagram showing a starting circuit for a conventional AC input converter. 3... Filter capacitor, 4, 5... Resistor, 6... Bridge diode, 7... Electrolytic capacitor, 10... Switching transistor, 1
4...Converter main body, 15...Series connection circuit.
Claims (1)
ンデンサと、 このコンデンサに対して並列に接続された第１
の抵抗と第２の抵抗との直列接続回路と、 前記第１の抵抗と前記第２の抵抗との接続点に
その制御端子が接続され、前記第１の抵抗と前記
コンデンサとの接続点側交流入力ラインが正極性
である場合には、前記第１の抵抗を介して起動電
流が供給され、前記第２の抵抗と前記コンデンサ
との接続点側交流入力ラインが正極性である場合
には、前記第２の抵抗を介して起動電流が供給さ
れるスイツチング素子と、 を備えたことを特徴とする交流入力コンバータの
起動回路。[Claims for Utility Model Registration] A filter capacitor connected between AC input lines, and a first filter capacitor connected in parallel to this capacitor.
a series connection circuit of a resistor and a second resistor, a control terminal of which is connected to a connection point of the first resistor and the second resistor, and a control terminal of the circuit connected to the connection point of the first resistor and the capacitor; When the AC input line has positive polarity, a starting current is supplied through the first resistor, and when the AC input line at the connection point between the second resistor and the capacitor has positive polarity, , a switching element to which a starting current is supplied via the second resistor. A starting circuit for an AC input converter, comprising the following.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015490U JPH0421189U (en) | 1990-06-08 | 1990-06-08 | |
| US07/708,485 US5168435A (en) | 1990-06-08 | 1991-05-31 | Converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015490U JPH0421189U (en) | 1990-06-08 | 1990-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0421189U true JPH0421189U (en) | 1992-02-21 |
Family
ID=31587270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6015490U Pending JPH0421189U (en) | 1990-06-08 | 1990-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421189U (en) |
-
1990
- 1990-06-08 JP JP6015490U patent/JPH0421189U/ja active Pending