JPH0370093U - - Google Patents
Info
- Publication number
- JPH0370093U JPH0370093U JP13241289U JP13241289U JPH0370093U JP H0370093 U JPH0370093 U JP H0370093U JP 13241289 U JP13241289 U JP 13241289U JP 13241289 U JP13241289 U JP 13241289U JP H0370093 U JPH0370093 U JP H0370093U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- voltage doubler
- circuit
- rectifier circuit
- operates
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rectifiers (AREA)
- Control Of Ac Motors In General (AREA)
Description
第１図は本考案の一実施例を示すインバータ装
置の要部回路構成図、第２図は倍電圧整流時と全
波整流時の出力電圧の概略波形図である。
図中、１……交流電源、２……倍電圧整流回路
、３……インバータ回路、４……圧縮機モータ、
５……リレー、６……インバータ制御部、７，８
……ドライブ回路、Ｃ１，Ｃ２，Ｃ３……コンデ
ンサ、Ｄ……全波整流素子。
FIG. 1 is a circuit diagram of a main part of an inverter device showing an embodiment of the present invention, and FIG. 2 is a schematic waveform diagram of output voltages during voltage doubler rectification and full-wave rectification. In the figure, 1...AC power supply, 2...voltage doubler rectifier circuit, 3...inverter circuit, 4...compressor motor,
5... Relay, 6... Inverter control section, 7, 8
...Drive circuit, C1, C2, C3...Capacitor, D...Full wave rectifier.
Claims (1)
倍電圧を供給するようにした倍電圧整流回路を備
えたインバータ装置において、前記倍電圧整流回
路の入力端の一側と、正負出力端間に直列接続さ
れたコンデンサの中点との間に、前記インバータ
回路を制御するインバータ制御部よりの制御信号
に基づき作動するリレーを設け、前記インバータ
回路が所定の周波数以下で動作するとき、前記リ
レーを解放せしめ、倍電圧整流回路を全波整流回
路として動作させるようにしたことを特徴とする
イバータ装置。 In an inverter device equipped with a voltage doubler rectifier circuit that converts AC power to DC and supplies a DC voltage doubler to an inverter circuit, the voltage doubler rectifier circuit is connected in series between one side of the input terminal and the positive and negative output terminals. A relay that operates based on a control signal from an inverter control unit that controls the inverter circuit is provided between the midpoint of the capacitor and the inverter circuit, and the relay is released when the inverter circuit operates at a predetermined frequency or lower. An inverter device characterized in that the voltage doubler rectifier circuit operates as a full-wave rectifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13241289U JPH0370093U (en) | 1989-11-14 | 1989-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13241289U JPH0370093U (en) | 1989-11-14 | 1989-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0370093U true JPH0370093U (en) | 1991-07-12 |
Family
ID=31679870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13241289U Pending JPH0370093U (en) | 1989-11-14 | 1989-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0370093U (en) |
-
1989
- 1989-11-14 JP JP13241289U patent/JPH0370093U/ja active Pending