JPH0158297U - - Google Patents
Info
- Publication number
- JPH0158297U JPH0158297U JP15379087U JP15379087U JPH0158297U JP H0158297 U JPH0158297 U JP H0158297U JP 15379087 U JP15379087 U JP 15379087U JP 15379087 U JP15379087 U JP 15379087U JP H0158297 U JPH0158297 U JP H0158297U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- time constant
- current detection
- inverter
- output current
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Power Conversion In General (AREA)
Description
第１図はこの考案の実施例を示す回路接続図、
第２図はこの考案の原理を説明するための回路図
、第３図は従来の電流検出装置を示す回路接続図
である。
１……商用電源、２……インバータ装置、３Ａ
，３Ｂ，３Ｃ……変流器、６，１６……ダイオー
ドブリツジ、７，８，１１，１７，１９……抵抗
、１８……トランジスタ、１２，２０……コンデ
ンサ、１０，３０……Ｖ／Ｆ変換器、１３……制
御回路、１４……表示回路。
Figure 1 is a circuit connection diagram showing an embodiment of this invention.
FIG. 2 is a circuit diagram for explaining the principle of this invention, and FIG. 3 is a circuit connection diagram showing a conventional current detection device. 1...Commercial power supply, 2...Inverter device, 3A
, 3B, 3C... Current transformer, 6, 16... Diode bridge, 7, 8, 11, 17, 19... Resistor, 18... Transistor, 12, 20... Capacitor, 10, 30... V /F converter, 13... control circuit, 14... display circuit.
Claims (1)
、この変流器の出力電流を整流する整流器とこの
整流器の出力側に接続される低入力インピーダン
ス回路と大なる時定数を有する回路とからなる第
１の電流検出回路と、前記変流器の出力電流を整
流する第２の整流器とこの第２の整流器の出力側
に接続される高入力インピーダンス回路と小なる
時定数を有する回路とからなる第２の電流検出回
路とからなることを特徴とするインバータの出力
電流検出装置。 (2) 実用新案登録請求の範囲第１項に記載のイ
ンバータの出力電流検出装置において、大なる時
定数を有する回路が大なる時定数を有する積分回
路であるインバータの出力電流検出装置。[Claims for Utility Model Registration] (1) A current transformer that detects the output current of an inverter, a rectifier that rectifies the output current of this current transformer, a low input impedance circuit connected to the output side of this rectifier, and a large a first current detection circuit consisting of a circuit having a time constant of 1. An output current detection device for an inverter, comprising: a circuit having a time constant; and a second current detection circuit. (2) Utility Model Registration The inverter output current detection device according to claim 1, wherein the circuit having a large time constant is an integrating circuit having a large time constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15379087U JPH0158297U (en) | 1987-10-07 | 1987-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15379087U JPH0158297U (en) | 1987-10-07 | 1987-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0158297U true JPH0158297U (en) | 1989-04-12 |
Family
ID=31429940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15379087U Pending JPH0158297U (en) | 1987-10-07 | 1987-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0158297U (en) |
-
1987
- 1987-10-07 JP JP15379087U patent/JPH0158297U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0158297U (en) | ||
| JPS61180593U (en) | ||
| JPS61126792U (en) | ||
| JPS6296718U (en) | ||
| JPS61192309U (en) | ||
| JPH01173921U (en) | ||
| JPS61490U (en) | rectifier circuit | |
| JPH0186725U (en) | ||
| JPS61176988U (en) | ||
| JPS6291265U (en) | ||
| JPS6241386U (en) | ||
| JPS6198395U (en) | ||
| JPS61201119U (en) | ||
| JPS6051471U (en) | Power supply voltage detection circuit | |
| JPS59195851U (en) | data input circuit | |
| JPS61131132U (en) | ||
| JPH01123485U (en) | ||
| JPS5819390U (en) | alternating current transducer | |
| JPS6384578U (en) | ||
| JPH01101181U (en) | ||
| JPS6253829U (en) | ||
| JPS63146474U (en) | ||
| JPS62198762U (en) | ||
| JPS62169587U (en) | ||
| JPS60623U (en) | DC stabilized power supply |