JPH0196785U - - Google Patents
Info
- Publication number
- JPH0196785U JPH0196785U JP19254087U JP19254087U JPH0196785U JP H0196785 U JPH0196785 U JP H0196785U JP 19254087 U JP19254087 U JP 19254087U JP 19254087 U JP19254087 U JP 19254087U JP H0196785 U JPH0196785 U JP H0196785U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- switching elements
- induction motor
- shielded wire
- shield
- 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
- 230000006698 induction Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案のインバータの要部を示す電気
回路図、第２図は従来のインバータの接続を示す
ブロツク構成図、第３図は従来のインバータでト
ランジスタをスイツチング素子として用いた場合
の電気回路図、第４図はインバータにＦＥＴを用
いた場合のゲートにのつてくるスパイクノイズを
示す概念図である。
１〜６……ＦＥＴ、１１，１２……ゲート信号
線（シールド線）、１０１……商用電源、１０４
……アンプ基板（制御基板）、１０５……誘導電
動機（ＩＭ）、１１０……インバータ。
Fig. 1 is an electric circuit diagram showing the main parts of the inverter of the present invention, Fig. 2 is a block configuration diagram showing the connections of a conventional inverter, and Fig. 3 is an electrical diagram of a conventional inverter using transistors as switching elements. The circuit diagram, FIG. 4, is a conceptual diagram showing spike noise coming to the gate when FETs are used in the inverter. 1 to 6...FET, 11, 12... Gate signal line (shielded wire), 101... Commercial power supply, 104
...Amplifier board (control board), 105...Induction motor (IM), 110...Inverter.
Claims (1)
の負荷に電力を供給するようにし、ＦＥＴをスイ
ツチング素子として用いたインバータにおいて、 ＦＥＴのゲートと周波数制御用回路を搭載した
プリント基板との間に配線にシールド線を用いシ
ールドをアースに接続したことを特徴とするイン
バータ。[Claim for Utility Model Registration] An inverter that converts commercial power to a desired frequency and supplies power to a load such as an induction motor, and uses FETs as switching elements, which is equipped with an FET gate and a frequency control circuit. An inverter characterized in that a shielded wire is used for wiring between the printed circuit board and the shield is connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19254087U JPH0196785U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19254087U JPH0196785U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0196785U true JPH0196785U (en) | 1989-06-27 |
Family
ID=31483393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19254087U Pending JPH0196785U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0196785U (en) |
-
1987
- 1987-12-18 JP JP19254087U patent/JPH0196785U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6119531Y2 (en) | ||
| JPS61131133U (en) | ||
| JPH01119205U (en) | ||
| JPS60116605U (en) | Car stereo circuit with radio | |
| JPS61143338U (en) | ||
| JPS6393786U (en) | ||
| JPS627774U (en) | ||
| JPS60172412U (en) | Muting circuit for audio equipment | |
| JPS6086096U (en) | Brushed motor speed control device | |
| JPH0253286U (en) | ||
| JPS58139842U (en) | Idling prevention device for electric motors for high frequency equipment | |
| JPS6390329U (en) | ||
| JPH0398476U (en) | ||
| JPS6047330U (en) | 3 phase solid state relay | |
| JPS60140319U (en) | Electric kotatsu with multiple power switches | |
| JPS6135589U (en) | switching power supply | |
| JPS58100488U (en) | Inverter device | |
| JPS62156194U (en) | ||
| JPS63183794U (en) | ||
| JPS6274058U (en) | ||
| JPS59117299U (en) | Power transistor chopper circuit | |
| JPS60116743U (en) | Automatic noise limiting circuit in car radio | |
| JPH0164228U (en) | ||
| JPS61203099U (en) | ||
| JPS6214980U (en) |