JPH0354386U - - Google Patents
Info
- Publication number
- JPH0354386U JPH0354386U JP11285389U JP11285389U JPH0354386U JP H0354386 U JPH0354386 U JP H0354386U JP 11285389 U JP11285389 U JP 11285389U JP 11285389 U JP11285389 U JP 11285389U JP H0354386 U JPH0354386 U JP H0354386U
- Authority
- JP
- Japan
- Prior art keywords
- current
- power converter
- output
- selection means
- control device
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Description
第１図はこの考案を実施例を示す回路図、第２
図はこの考案の他の実施例を示す回路図、第３図
は電力変換装置の１例を示す回路図、第４図はイ
ンバータ出力電流の１例を示す図、第５図は従来
の電流検出手段を示す回路図である。
１……可動子、２……固定子、１４……インバ
ータ、１５Ａ，１５Ｂ，１５Ｃ……電流検出器、
１７……インバータ制御器、１８，１８Ａ，１８
Ｂ……ＰＷＭ信号発生回路、１９……ベース駆動
回路、３０……切換ロジツク、３１……判定回路
、３２……電流検出器、３４……スイツチ。
Figure 1 is a circuit diagram showing an embodiment of this invention;
Figure 3 is a circuit diagram showing another embodiment of this invention, Figure 3 is a circuit diagram showing an example of a power converter, Figure 4 is a diagram showing an example of an inverter output current, and Figure 5 is a diagram showing a conventional current. FIG. 3 is a circuit diagram showing a detection means. 1...Mover, 2...Stator, 14...Inverter, 15A, 15B, 15C...Current detector,
17...Inverter controller, 18, 18A, 18
B... PWM signal generation circuit, 19... Base drive circuit, 30... Switching logic, 31... Judgment circuit, 32... Current detector, 34... Switch.
Claims (1)
の制御装置において、上記電力変換器の主回路電
流を検出してフイードバツクする電流検出手段が
定格を同じくするが検知巻線の巻数を異にする少
なくとも２台の電流検出器からなり、負荷電流領
域に応じて電流検出手段の帰還ゲインを選択する
選択手段を有していることを特徴とする電力変換
器の制御装置。 (2) 各電流検出器の出力をフイードバツクされ
る制御系を有し、選択手段が負荷電流領域に応じ
て対応する制御系の出力を選択することを特徴と
する請求項１記載の電力変換器の制御装置。 (3) 選択手段が、負荷電流領域に応じて、一方
の電流検出器の出力と両電流検出器の出力総和の
いずれかを選択することを特徴とする請求項１記
載の電力変換器の制御装置。[Scope of Claim for Utility Model Registration] (1) In a control device for a power converter that performs current feedback control, the current detection means for detecting and feeding back the main circuit current of the power converter has the same rating, but the detection winding 1. A control device for a power converter, comprising at least two current detectors having different numbers of turns, and comprising a selection means for selecting a feedback gain of the current detection means according to a load current region. (2) The power converter according to claim 1, further comprising a control system to which the output of each current detector is fed back, and the selection means selects the output of the corresponding control system according to the load current region. control device. (3) The power converter control according to claim 1, wherein the selection means selects either the output of one current detector or the sum of the outputs of both current detectors, depending on the load current region. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11285389U JPH0753430Y2 (en) | 1989-09-28 | 1989-09-28 | Power converter controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11285389U JPH0753430Y2 (en) | 1989-09-28 | 1989-09-28 | Power converter controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0354386U true JPH0354386U (en) | 1991-05-27 |
| JPH0753430Y2 JPH0753430Y2 (en) | 1995-12-06 |
Family
ID=31661290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11285389U Expired - Fee Related JPH0753430Y2 (en) | 1989-09-28 | 1989-09-28 | Power converter controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753430Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001211659A (en) * | 2000-01-27 | 2001-08-03 | Sanyo Electric Co Ltd | System interconnection inverter |
| JP2006226993A (en) * | 2005-01-18 | 2006-08-31 | Fanuc Ltd | Method and device for insulation resistance deterioration detection for motor, and motor drive device |
| JP2010193712A (en) * | 2010-05-24 | 2010-09-02 | Sanyo Electric Co Ltd | System linked inverter |
| JP2010226950A (en) * | 2010-05-24 | 2010-10-07 | Sanyo Electric Co Ltd | System interconnection inverter |
-
1989
- 1989-09-28 JP JP11285389U patent/JPH0753430Y2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001211659A (en) * | 2000-01-27 | 2001-08-03 | Sanyo Electric Co Ltd | System interconnection inverter |
| JP4614489B2 (en) * | 2000-01-27 | 2011-01-19 | 三洋電機株式会社 | Grid interconnection inverter |
| JP2006226993A (en) * | 2005-01-18 | 2006-08-31 | Fanuc Ltd | Method and device for insulation resistance deterioration detection for motor, and motor drive device |
| JP4554501B2 (en) * | 2005-01-18 | 2010-09-29 | ファナック株式会社 | Motor insulation resistance deterioration detection method, insulation resistance deterioration detection device, and motor drive device |
| JP2010193712A (en) * | 2010-05-24 | 2010-09-02 | Sanyo Electric Co Ltd | System linked inverter |
| JP2010226950A (en) * | 2010-05-24 | 2010-10-07 | Sanyo Electric Co Ltd | System interconnection inverter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753430Y2 (en) | 1995-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |