JPH0429879U - - Google Patents
Info
- Publication number
- JPH0429879U JPH0429879U JP5123190U JP5123190U JPH0429879U JP H0429879 U JPH0429879 U JP H0429879U JP 5123190 U JP5123190 U JP 5123190U JP 5123190 U JP5123190 U JP 5123190U JP H0429879 U JPH0429879 U JP H0429879U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- inverter
- current
- winding
- suppression reactor
- 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
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の第１の実施例で、ＰＷＭコン
バータの電源側に設けられた電流検出器を示す図
、第２図は第１図中の電流検出器５を示す図、第
３図は本考案の第２の実施例で、インバータ出力
側に設けられた電流検出器を示す図、第４図およ
び第５図は従来の電流検出器を示す図である。
１……入力電流サージ抑制用リアクトル、２…
…コンバータ、３……インバータ、４……モータ
、５，１１……電流検出器、６，１２……電流制
御部、７，１３……ドライブ信号発生部、８……
検出巻線、９……積分・増幅器。
FIG. 1 shows a first embodiment of the present invention, showing a current detector installed on the power supply side of a PWM converter, FIG. 2 showing a current detector 5 in FIG. 1, and FIG. 2 shows a second embodiment of the present invention, and shows a current detector provided on the output side of an inverter, and FIGS. 4 and 5 show conventional current detectors. 1...Input current surge suppression reactor, 2...
... converter, 3 ... inverter, 4 ... motor, 5, 11 ... current detector, 6, 12 ... current control section, 7, 13 ... drive signal generation section, 8 ...
Detection winding, 9...Integrator/amplifier.
Claims (1)
れている入力電流サージ抑制用リアクトルまたは
インバータ出力側に設けられているモータ騒音抑
制用リアクトルに設けられた検出巻線と、 前記検出巻線の出力電圧を積分し、増幅して、
電流検出信号に変換する積分・増幅器とを有する
電力変換装置の電流検出器。[Scope of Claim for Utility Model Registration] A detection winding provided in an input current surge suppression reactor provided on the power supply side of a converter or inverter or a motor noise suppression reactor provided on the inverter output side, and the detection The output voltage of the winding is integrated and amplified,
A current detector for a power conversion device that includes an integrator/amplifier that converts into a current detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5123190U JPH0429879U (en) | 1990-05-18 | 1990-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5123190U JPH0429879U (en) | 1990-05-18 | 1990-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429879U true JPH0429879U (en) | 1992-03-10 |
Family
ID=31570480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5123190U Pending JPH0429879U (en) | 1990-05-18 | 1990-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100709285B1 (en) * | 1999-05-14 | 2007-04-19 | 가부시키가이샤 히타치세이사쿠쇼 | Power converting apparatus |
| JP2008109836A (en) * | 2006-10-23 | 2008-05-08 | Samsung Electronics Co Ltd | Current measuring device of inverter |
-
1990
- 1990-05-18 JP JP5123190U patent/JPH0429879U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100709285B1 (en) * | 1999-05-14 | 2007-04-19 | 가부시키가이샤 히타치세이사쿠쇼 | Power converting apparatus |
| JP2008109836A (en) * | 2006-10-23 | 2008-05-08 | Samsung Electronics Co Ltd | Current measuring device of inverter |