JPS6315182U - - Google Patents
Info
- Publication number
- JPS6315182U JPS6315182U JP10722486U JP10722486U JPS6315182U JP S6315182 U JPS6315182 U JP S6315182U JP 10722486 U JP10722486 U JP 10722486U JP 10722486 U JP10722486 U JP 10722486U JP S6315182 U JPS6315182 U JP S6315182U
- Authority
- JP
- Japan
- Prior art keywords
- conversion circuit
- resistor
- resistors
- forward conversion
- temperature sensor
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Conversion In General (AREA)
- Ac-Ac Conversion (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は従来のＶＶＶＦのブレーキ回路を示す構成図
である。
１……順変換回路、２……逆変換回路、３……
負荷、４……ブレーキ回路、６……開閉器、Ｒ１
〜Ｒｎ……抵抗器、Ｔｈ……温度センサー、Ｔｒ
……スイツチング素子、Ｄ……検出回路。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a configuration diagram showing a conventional VVVF brake circuit. 1...Forward conversion circuit, 2...Inverse conversion circuit, 3...
Load, 4... Brake circuit, 6... Switch, R 1
~ Rn ...Resistor, Th ...Temperature sensor, Tr
...Switching element, D...Detection circuit.
Claims (1)
路にて交流に変換して交流電力を負荷に供給する
と共に、順変換回路の直流出力側にスイツチング
素子と抵抗器とを直列接続し、直流電圧上昇時に
この抵抗器にて消費するようにしたものに於て、
前記抵抗器を複数並列に接続し、その何れか１個
の抵抗器に直接温度センサーを取付け、この温度
センサーの検出信号によつて前記順変換回路の交
流側に設けた開閉器を開路するようにしたことを
特徴とする可変電源装置の抵抗器の保護装置。 (2) 並列接続された複数の抵抗器は、略同一容
量で略同一抵抗値であることを特徴とする実用新
案登録請求の範囲第１項記載の可変電源装置の抵
抗器の保護装置。[Claims for Utility Model Registration] (1) The direct current converted by the forward conversion circuit is converted into alternating current by the inverse conversion circuit to supply AC power to the load, and a switching element is provided on the DC output side of the forward conversion circuit. and a resistor are connected in series, and the resistor consumes the DC voltage when it rises.
A plurality of the resistors are connected in parallel, a temperature sensor is attached directly to one of the resistors, and a detection signal from the temperature sensor opens a switch provided on the alternating current side of the forward conversion circuit. A resistor protection device for a variable power supply device. (2) A resistor protection device for a variable power supply device according to claim 1, wherein the plurality of resistors connected in parallel have substantially the same capacitance and substantially the same resistance value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10722486U JPS6315182U (en) | 1986-07-11 | 1986-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10722486U JPS6315182U (en) | 1986-07-11 | 1986-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6315182U true JPS6315182U (en) | 1988-02-01 |
Family
ID=30983307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10722486U Pending JPS6315182U (en) | 1986-07-11 | 1986-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6315182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03171786A (en) * | 1989-10-27 | 1991-07-25 | Coherent Inc | Pulse laser device |
| JP2022072988A (en) * | 2020-10-30 | 2022-05-17 | 東芝三菱電機産業システム株式会社 | Power converter |
-
1986
- 1986-07-11 JP JP10722486U patent/JPS6315182U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03171786A (en) * | 1989-10-27 | 1991-07-25 | Coherent Inc | Pulse laser device |
| JP2022072988A (en) * | 2020-10-30 | 2022-05-17 | 東芝三菱電機産業システム株式会社 | Power converter |