JPS62149286U - - Google Patents
Info
- Publication number
- JPS62149286U JPS62149286U JP3435386U JP3435386U JPS62149286U JP S62149286 U JPS62149286 U JP S62149286U JP 3435386 U JP3435386 U JP 3435386U JP 3435386 U JP3435386 U JP 3435386U JP S62149286 U JPS62149286 U JP S62149286U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- gate signal
- gate
- current
- regenerative inverter
- 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
- 230000001172 regenerating effect Effects 0.000 claims description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 2
Description
第１図は本考案に係る回生インバータの制御装
置の一実施例を示すブロツク図、第２図〜第４図
は動作説明のための波形図、第５図は誘導電動機
制御用のインバータ装置の一般的な主回路構成を
示す回路図、第６図は第５図のインバータ装置に
おける回生インバータのゲート信号のパターンを
示す図である。
１……３相交流電源、２……誘導電動機、３…
…リアクトル、４……インバータ装置、４Ａ……
コンバータ部、４Ｂ……インバータ部、１１……
変圧器、１２……ローパスフイルタ、１３……ゲ
ート信号作成回路、１４……ゲートドライブ回路
、１５……ゲートブロツク回路、１６……変流器
、１７……整流回路、１８……電流設定器、１９
……ヒステリシスコンパレータ回路、Ｄ１１〜Ｄ
１６……ダイオード、Ｑ２１〜Ｑ２６……トラン
ジスタ。
Fig. 1 is a block diagram showing one embodiment of a regenerative inverter control device according to the present invention, Figs. 2 to 4 are waveform diagrams for explaining the operation, and Fig. 5 is an inverter device for controlling an induction motor. FIG. 6 is a circuit diagram showing a general main circuit configuration, and is a diagram showing a gate signal pattern of the regenerative inverter in the inverter device of FIG. 5. 1... 3-phase AC power supply, 2... induction motor, 3...
...Reactor, 4...Inverter device, 4A...
Converter section, 4B... Inverter section, 11...
Transformer, 12...Low pass filter, 13...Gate signal generation circuit, 14...Gate drive circuit, 15...Gate block circuit, 16...Current transformer, 17...Rectifier circuit, 18...Current setting device , 19
...Hysteresis comparator circuit, D11 to D
16 ...Diode, Q21 to Q26 ...Transistor.
Claims (1)
インバータ装置において、変流電源の相電圧に基
づいて前記回生インバータ部を作成するゲート信
号作成回路と、このゲート信号作成回路からゲー
ト信号を受けて前記回生インバータ部を駆動する
ゲートドライブ回路と、前記ゲート信号作成回路
とゲートドライブ回路の間に挿設され、ゲート信
号の通過、阻止を制御するゲートブロツク回路と
、前記コンバータ部の入力側で線電流を検出する
変流器と、この変流器の２次電流を整流して前記
線電流に応じた電圧を得る整流回路と、電流設定
器と、この設定器による設定値と線電流の検出値
としての前記整流回路の出力電圧を比較し、検出
値が設定値以上の時に前記ゲートブロツク回路に
信号阻止の制御信号を付与するコンパレータ回路
とを備えてなることを特徴とする回生インバータ
の制御装置。 In an inverter device in which a regenerative inverter section is added to a converter section, there is provided a gate signal generating circuit that generates the regenerative inverter section based on the phase voltage of a current transformer power source, and a gate signal generating circuit that generates the regenerative inverter section based on the phase voltage of the transformer power supply, and a gate signal generating circuit that receives a gate signal from the gate signal generating circuit and generates the regenerative inverter section. a gate drive circuit that drives the converter section; a gate block circuit that is inserted between the gate signal generation circuit and the gate drive circuit to control passing or blocking of the gate signal; and a line current detection circuit on the input side of the converter section. a current transformer, a rectifier circuit that rectifies the secondary current of the current transformer to obtain a voltage corresponding to the line current, a current setting device, and a value set by the setting device and a detected value of the line current. A control device for a regenerative inverter, comprising: a comparator circuit that compares the output voltages of the rectifier circuit and applies a signal blocking control signal to the gate block circuit when the detected value is equal to or higher than a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3435386U JPS62149286U (en) | 1986-03-10 | 1986-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3435386U JPS62149286U (en) | 1986-03-10 | 1986-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62149286U true JPS62149286U (en) | 1987-09-21 |
Family
ID=30842820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3435386U Pending JPS62149286U (en) | 1986-03-10 | 1986-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62149286U (en) |
-
1986
- 1986-03-10 JP JP3435386U patent/JPS62149286U/ja active Pending
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