JPS58100488U - Inverter device - Google Patents
Inverter deviceInfo
- Publication number
- JPS58100488U JPS58100488U JP19679981U JP19679981U JPS58100488U JP S58100488 U JPS58100488 U JP S58100488U JP 19679981 U JP19679981 U JP 19679981U JP 19679981 U JP19679981 U JP 19679981U JP S58100488 U JPS58100488 U JP S58100488U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- inverter device
- output
- voltage signal
- detection
- 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
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は一般的なインバータ装置の電気的構成を示す図
、第２図は従来例を説明するための結線図、第３図は第
２図中の各部の信号波形を示す図、第４図はインバータ
装置により電動機を駆動する場合の出力周波数変化の一
例を示す特性図である。
また、第５図は本考案の一実施例を示す要部の結線図、
第６図は第５図中の各部の信号波形及び出力電圧波形を
示す図、第７図及び第８図は夫々本考案の異なる実施例
を示す検知回路部分の結線図である。
図中、Ｔｒ□乃至Ｔｒ６はトランジスタ（スイッチング
素子）、９．１７．２１は検知回路、１６は比較回路で
ある。Fig. 1 is a diagram showing the electrical configuration of a general inverter device, Fig. 2 is a wiring diagram for explaining a conventional example, Fig. 3 is a diagram showing signal waveforms of each part in Fig. 2, and Fig. 4 is a diagram showing the electrical configuration of a general inverter device. The figure is a characteristic diagram showing an example of an output frequency change when an electric motor is driven by an inverter device. In addition, FIG. 5 is a wiring diagram of the main parts showing an embodiment of the present invention,
FIG. 6 is a diagram showing the signal waveform and output voltage waveform of each part in FIG. 5, and FIGS. 7 and 8 are connection diagrams of the detection circuit portion showing different embodiments of the present invention, respectively. In the figure, Tr□ to Tr6 are transistors (switching elements), 9, 17, and 21 are detection circuits, and 16 is a comparison circuit.
Claims (1)
の制御信号を出力する比較回路を備え、ブリッジ接続さ
れたスイッチング素子を前記制御信号によりスイッチン
グさせることによって直流電源の出力を可変電圧・可変
周波数交流出力に変換するインバータ装置において、前
記直流電源の出力電圧に応じた検知電圧信号を出力する
検知回路を設け、前記検知電圧信号により前記基準電圧
信号或は鋸歯状波信号を補正して前記比較回路の比較入
力端子に入力させるように構成したことを特徴とするイ
ンバータ装置。It is equipped with a comparison circuit that compares a reference voltage signal and a sawtooth wave signal and outputs a control signal for PWM control, and by switching a bridge-connected switching element using the control signal, the output of the DC power supply can be changed to a variable voltage. In an inverter device for converting into variable frequency AC output, a detection circuit is provided that outputs a detection voltage signal according to the output voltage of the DC power supply, and the reference voltage signal or the sawtooth wave signal is corrected by the detection voltage signal. An inverter device configured to input the signal to a comparison input terminal of the comparison circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19679981U JPS58100488U (en) | 1981-12-28 | 1981-12-28 | Inverter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19679981U JPS58100488U (en) | 1981-12-28 | 1981-12-28 | Inverter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58100488U true JPS58100488U (en) | 1983-07-08 |
Family
ID=30110025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19679981U Pending JPS58100488U (en) | 1981-12-28 | 1981-12-28 | Inverter device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58100488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008503193A (en) * | 2004-05-28 | 2008-01-31 | テキサス インスツルメンツ インコーポレイテッド | Suppression of power supply fluctuations for gain error cancellation of pulse width modulated motor controllers |
-
1981
- 1981-12-28 JP JP19679981U patent/JPS58100488U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008503193A (en) * | 2004-05-28 | 2008-01-31 | テキサス インスツルメンツ インコーポレイテッド | Suppression of power supply fluctuations for gain error cancellation of pulse width modulated motor controllers |
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