JPH0196742U - - Google Patents
Info
- Publication number
- JPH0196742U JPH0196742U JP19136587U JP19136587U JPH0196742U JP H0196742 U JPH0196742 U JP H0196742U JP 19136587 U JP19136587 U JP 19136587U JP 19136587 U JP19136587 U JP 19136587U JP H0196742 U JPH0196742 U JP H0196742U
- Authority
- JP
- Japan
- Prior art keywords
- current
- output transformer
- current command
- pwm converter
- calculating
- 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
- 230000005284 excitation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図は本考案にかかるアクテイブフイルタ機
能を有する電力変換装置のブロツク図、第２図は
従来のアクテイブフイルタ機能を有する電力変換
装置のブロツク図、第３図は電流指令を演算する
制御装置のブロツク図、第４図は３相ＰＷＭコン
バータの主回路接続図である。
１……３相交流系統電源、２……出力トランス
、３……３相ＰＷＭコンバータ、４……平滑回路
、５……直流負荷、６１〜６３，８１〜８３……
電流検出器、７……ＰＷＭ制御器、９……励磁電
流演算器、１０……電流指令演算器、１１……負
荷。
Fig. 1 is a block diagram of a power converter having an active filter function according to the present invention, Fig. 2 is a block diagram of a conventional power converter having an active filter function, and Fig. 3 is a block diagram of a control device that calculates a current command. The block diagram in FIG. 4 is a main circuit connection diagram of a three-phase PWM converter. 1... 3-phase AC power supply, 2... Output transformer, 3... 3-phase PWM converter, 4... Smoothing circuit, 5... DC load, 61-63, 81-83...
Current detector, 7... PWM controller, 9... Excitation current calculator, 10... Current command calculator, 11... Load.
Claims (1)
端子に接続される出力トランスを有し、前記ＰＷ
Ｍコンバータの交流側各相電流を電流指令に基づ
いて制御する電力変換装置において、前記出力ト
ランスの１次電流と２次電流から励磁電流を演算
する手段と、該励磁電流と前記電流指令から特価
的に励磁電流が２次側から供給されるごとき２次
側電流指令を演算する手段とを備え、前記出力ト
ランスの２次側電流を前記２次側電流指令に基づ
いて制御するようにしたことを特徴とするアクテ
イブフイルタ機能を有する電力変換装置。 The PWM converter includes a PWM converter and an output transformer connected to an AC terminal of the PWM converter.
A power conversion device that controls each phase current on the AC side of an M converter based on a current command, comprising means for calculating an excitation current from a primary current and a secondary current of the output transformer, and a special price based on the excitation current and the current command. means for calculating a secondary current command such that an exciting current is supplied from the secondary side, and the secondary current of the output transformer is controlled based on the secondary current command. A power conversion device having an active filter function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19136587U JPH0196742U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19136587U JPH0196742U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0196742U true JPH0196742U (en) | 1989-06-27 |
Family
ID=31482284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19136587U Pending JPH0196742U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0196742U (en) |
-
1987
- 1987-12-18 JP JP19136587U patent/JPH0196742U/ja active Pending