JPH0244887U - - Google Patents
Info
- Publication number
- JPH0244887U JPH0244887U JP12315888U JP12315888U JPH0244887U JP H0244887 U JPH0244887 U JP H0244887U JP 12315888 U JP12315888 U JP 12315888U JP 12315888 U JP12315888 U JP 12315888U JP H0244887 U JPH0244887 U JP H0244887U
- Authority
- JP
- Japan
- Prior art keywords
- power
- diode
- transistor
- antiparallel
- filter capacitor
- 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 3
- 238000009499 grossing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Landscapes
- Power Conversion In General (AREA)
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案のインバータ装置の平滑回路の
一実施例を示す簡略図、第２図ａ，ｂ，ｃはその
動作モード、第３図は従来のものの一例を示す簡
略図である。
１……三相交流電源、２……電源スイツチ、３
……三相全波整流装置、４……電流制御抵抗器、
５……短絡用スイツチ、６……ブレーキ用トラン
ジスタ、７……ブレーキ抵抗器、８……フイルタ
コンデンサ、９……三相インバータ、１０……誘
導電動機、１１……パワートランジスタ、１２…
…ダイオード。
FIG. 1 is a simplified diagram showing one embodiment of the smoothing circuit of the inverter device of the present invention, FIG. 1...Three-phase AC power supply, 2...Power switch, 3
...Three-phase full-wave rectifier, 4...Current control resistor,
5... Short-circuit switch, 6... Brake transistor, 7... Brake resistor, 8... Filter capacitor, 9... Three-phase inverter, 10... Induction motor, 11... Power transistor, 12...
…diode.
Claims (1)
イルタコンデンサと、ダイオードを逆並列接続し
たパワートランジスタを並列接続したブレーキ用
トランジスタからなる直流電源をインバータに与
える装置において、前記フイルタコンデンサと直
列に、ダイオードを逆並列接続したパワートラン
ジスタを接続し、該接続点にダイオードのアノー
ドを接続し、該ダイオードのカソードを、前記ダ
イオードを逆並列接続したパワートランジスタを
並列接続したブレーキ用トランジスタとこれに直
列接続するブレーキ抵抗器間に接続して構成した
ことを特徴とするインバータ装置の平滑回路。 After converting AC power into DC power in a converter section, in a device that supplies DC power to an inverter, consisting of a filter capacitor and a braking transistor in which a power transistor with a diode connected in antiparallel is connected in parallel, a diode is connected in series with the filter capacitor. A brake transistor in which power transistors connected in antiparallel are connected, an anode of a diode is connected to the connection point, and the cathode of the diode is connected in series with a brake transistor in which power transistors in which the diodes are connected in antiparallel are connected in parallel. A smoothing circuit for an inverter device, characterized in that it is configured by connecting between resistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12315888U JPH0244887U (en) | 1988-09-20 | 1988-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12315888U JPH0244887U (en) | 1988-09-20 | 1988-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244887U true JPH0244887U (en) | 1990-03-28 |
Family
ID=31371754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12315888U Pending JPH0244887U (en) | 1988-09-20 | 1988-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244887U (en) |
-
1988
- 1988-09-20 JP JP12315888U patent/JPH0244887U/ja active Pending