JPH0434888U - - Google Patents
Info
- Publication number
- JPH0434888U JPH0434888U JP7494190U JP7494190U JPH0434888U JP H0434888 U JPH0434888 U JP H0434888U JP 7494190 U JP7494190 U JP 7494190U JP 7494190 U JP7494190 U JP 7494190U JP H0434888 U JPH0434888 U JP H0434888U
- Authority
- JP
- Japan
- Prior art keywords
- neutral line
- circuit
- line
- voltage
- power supply
- 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
- 230000007935 neutral effect Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000009499 grossing Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rectifiers (AREA)
Description
第１図は本考案を説明する構成ブロツク図、第
２図乃至第３図は第１図の回路の結線状態の説明
図、第４図は本考案の他の実施例の説明図、第５
図は従来装置の説明図である。
Ｃ１〜Ｃ４……Ｙコン、ＣＡ，ＣＢ……平滑化
コンデンサ、Ｄ１……ダイオードブリツジ回路、
ＣＯＮＶ……スイツチング電源回路、ＳＷ１……
切換回路、Ｌ……負荷線、Ｎ……中立線、Ｇ……
グランド。
FIG. 1 is a configuration block diagram explaining the present invention, FIGS. 2 and 3 are illustrations of the wiring state of the circuit in FIG. 1, FIG. 4 is an illustration of another embodiment of the invention, and FIG.
The figure is an explanatory diagram of a conventional device. C1 to C4...Y controller, CA, CB...smoothing capacitor, D1...diode bridge circuit,
CONV……Switching power supply circuit, SW1……
Switching circuit, L...load line, N...neutral line, G...
ground.
Claims (1)
イオードブリツジ回路と、 一端がこのダイオードブリツジ回路の出力端と
接続され、他端が前記中立線と接続された一組の
平滑化コンデンサＣＡ，ＣＢと、 この平滑化コンデンサで平滑した直流電圧を入
力するスイツチング電源回路と、 前記負荷線と前記中立線との間に印加される交
流電圧が１００Ｖ系であるときは前記平滑化コン
デンサの相互接続点を前記中立線と接続し、印加
される交流電圧が２００Ｖ系であるときは前記平
滑化コンデンサの相互接続点を前記中立線と非接
続とする切換回路と、 前記負荷線と前記中立線との間に接続されるＹ
コンの容量値を前記切換回路に連動して調節する
フイルタ回路と、 を具備し、印加される交流電圧が１００Ｖ系のと
きは２００Ｖ系のときと比較してＹコンの容量値
を大きくし、当該Ｙコンの漏洩電流の値を一定値
以下に保持することを特徴とするスイツチング電
源のノイズフイルタ回路。[Claims for Utility Model Registration] A diode bridge circuit with a load line L and a neutral line N connected to its input end, one end connected to the output end of this diode bridge circuit, and the other end connected to the neutral line. a pair of smoothing capacitors CA and CB, a switching power supply circuit that inputs the DC voltage smoothed by the smoothing capacitors, and an AC voltage applied between the load line and the neutral line in the 100V system. A switching circuit that connects the interconnection point of the smoothing capacitor to the neutral line in some cases, and disconnects the interconnection point of the smoothing capacitor from the neutral line when the applied AC voltage is 200V system. and Y connected between the load line and the neutral line.
a filter circuit that adjusts the capacitance value of the Y capacitor in conjunction with the switching circuit; A noise filter circuit for a switching power supply, characterized in that the value of leakage current of the Y-conductor is maintained below a certain value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7494190U JPH0434888U (en) | 1990-07-13 | 1990-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7494190U JPH0434888U (en) | 1990-07-13 | 1990-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434888U true JPH0434888U (en) | 1992-03-24 |
Family
ID=31615080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7494190U Pending JPH0434888U (en) | 1990-07-13 | 1990-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005184075A (en) * | 2003-12-16 | 2005-07-07 | Okaya Electric Ind Co Ltd | Noise filter |
| JP2010028912A (en) * | 2008-07-16 | 2010-02-04 | Yokogawa Electric Corp | Power supply filter circuit |
| JPWO2016189874A1 (en) * | 2015-05-27 | 2018-01-25 | 京セラ株式会社 | Power conversion device, power conversion method, and power conversion system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038086B2 (en) * | 1976-12-27 | 1985-08-30 | ヤンマー農機株式会社 | combine |
-
1990
- 1990-07-13 JP JP7494190U patent/JPH0434888U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038086B2 (en) * | 1976-12-27 | 1985-08-30 | ヤンマー農機株式会社 | combine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005184075A (en) * | 2003-12-16 | 2005-07-07 | Okaya Electric Ind Co Ltd | Noise filter |
| JP4593907B2 (en) * | 2003-12-16 | 2010-12-08 | 岡谷電機産業株式会社 | Noise filter and method of manufacturing noise filter |
| JP2010028912A (en) * | 2008-07-16 | 2010-02-04 | Yokogawa Electric Corp | Power supply filter circuit |
| JPWO2016189874A1 (en) * | 2015-05-27 | 2018-01-25 | 京セラ株式会社 | Power conversion device, power conversion method, and power conversion system |
| US10411476B2 (en) | 2015-05-27 | 2019-09-10 | Kyocera Corporation | Power conversion apparatus, power conversion method, and power conversion system |