JPS6340190U - - Google Patents
Info
- Publication number
- JPS6340190U JPS6340190U JP13382386U JP13382386U JPS6340190U JP S6340190 U JPS6340190 U JP S6340190U JP 13382386 U JP13382386 U JP 13382386U JP 13382386 U JP13382386 U JP 13382386U JP S6340190 U JPS6340190 U JP S6340190U
- Authority
- JP
- Japan
- Prior art keywords
- current
- detected
- average
- bias setting
- parallel
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Rectifiers (AREA)
Description
第１図は本考案電流不平衡検出回路の一実施例
を示す回路図、第２図は各スイツチを閉じる各ゲ
ートパルスのタイミングチヤートを示すもので、
第３図及び第４図は従来の電流不平衡検出回路の
一例を示す回路図である。
１……整流器、２……整流部、３……整流部、
４……整流部、５……ＣＴ、６……ＣＴ、７……
ＣＴ、８……ターミナル、９……ターミナル、１
０……ターミナル、１１……抵抗、１２……スイ
ツチ、１３……抵抗、１４……スイツチ、１５…
…抵抗、１６……スイツチ、１７……演算増幅器
、１８……抵抗、１９……平均電流演算回路、２
０……パルス発振器、２１……パルス分配器、２
２〜２６……抵抗、２７……バイアス設定器、２
７……比較器。
Figure 1 is a circuit diagram showing one embodiment of the current imbalance detection circuit of the present invention, and Figure 2 is a timing chart of each gate pulse that closes each switch.
FIGS. 3 and 4 are circuit diagrams showing an example of a conventional current imbalance detection circuit. 1... Rectifier, 2... Rectifier, 3... Rectifier,
4... Rectifier section, 5... CT, 6... CT, 7...
CT, 8...Terminal, 9...Terminal, 1
0...terminal, 11...resistance, 12...switch, 13...resistance, 14...switch, 15...
...Resistor, 16...Switch, 17...Operation amplifier, 18...Resistor, 19...Average current calculation circuit, 2
0...Pulse oscillator, 21...Pulse distributor, 2
2 to 26...Resistor, 27...Bias setting device, 2
7... Comparator.
Claims (1)
各整流素子に流れる電流を検出する電流検出器と
、前記電流検出器で検出した検出電流を平均電流
に換算する平均電流演算回路と、前記整流素子の
並列接続数に等しい数のゲート信号を出力するパ
ルス分配器と、前記ゲート信号により前記検出電
流を通過させるスイツチと、前記検出電流と前記
平均電流演算回路の平均出力電流から基準電流を
設定するバイアス設定器と、前記バイアス設定器
から出力する基準電流と前記検出電流を比較する
比較器とからなることを特徴とする電流不平衡検
出回路。 a rectifier formed by connecting each rectifying element in parallel; a current detector that detects the current flowing through each of the rectifying elements; an average current calculation circuit that converts the detected current detected by the current detector into an average current; a pulse distributor that outputs gate signals equal in number to the number of elements connected in parallel; a switch that allows the detected current to pass according to the gate signal; and a reference current that is set from the detected current and the average output current of the average current calculation circuit. 1. A current unbalance detection circuit comprising: a bias setting device that performs a bias setting; and a comparator that compares a reference current outputted from the bias setting device with the detected current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986133823U JPH0623194Y2 (en) | 1986-09-01 | 1986-09-01 | Current unbalance detection circuit for bridge rectification circuit by parallel connection rectification element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986133823U JPH0623194Y2 (en) | 1986-09-01 | 1986-09-01 | Current unbalance detection circuit for bridge rectification circuit by parallel connection rectification element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6340190U true JPS6340190U (en) | 1988-03-15 |
| JPH0623194Y2 JPH0623194Y2 (en) | 1994-06-15 |
Family
ID=31034487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986133823U Expired - Lifetime JPH0623194Y2 (en) | 1986-09-01 | 1986-09-01 | Current unbalance detection circuit for bridge rectification circuit by parallel connection rectification element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623194Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101689501B1 (en) * | 2016-03-03 | 2016-12-23 | 두산중공업 주식회사 | Multiple phase controlled rectifiers with fault detecting apparatus for thryster switch and fault detection method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54166529U (en) * | 1978-05-15 | 1979-11-22 | ||
| JPS55154480U (en) * | 1979-04-24 | 1980-11-07 | ||
| JPS59161076U (en) * | 1983-04-12 | 1984-10-29 | 三菱電機株式会社 | power supply monitor circuit |
-
1986
- 1986-09-01 JP JP1986133823U patent/JPH0623194Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54166529U (en) * | 1978-05-15 | 1979-11-22 | ||
| JPS55154480U (en) * | 1979-04-24 | 1980-11-07 | ||
| JPS59161076U (en) * | 1983-04-12 | 1984-10-29 | 三菱電機株式会社 | power supply monitor circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623194Y2 (en) | 1994-06-15 |