JPH0176145U - - Google Patents
Info
- Publication number
- JPH0176145U JPH0176145U JP1987171180U JP17118087U JPH0176145U JP H0176145 U JPH0176145 U JP H0176145U JP 1987171180 U JP1987171180 U JP 1987171180U JP 17118087 U JP17118087 U JP 17118087U JP H0176145 U JPH0176145 U JP H0176145U
- Authority
- JP
- Japan
- Prior art keywords
- unit
- reverse
- switching
- secondary battery
- control unit
- 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
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Rectifiers (AREA)
- Control Of Electrical Variables (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
及び第３図は本発明の他の実施例の要部を示す回
路図、第４図は従来例を示す回路図、第５図は二
次電池の電圧電流波形を示す波形図である。
１…直流―交流変換装置、２…二次電池、３…
電力系統、４…完全放電装置、４１…逆充電部、
４２…逆放電部、５Ａ，５Ｂ…直流リアクトル、
ＳＡ，ＳＢ，ＳＣ…スイツチ、８…電流検出部、
９…制御部。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIGS. 2 and 3 are circuit diagrams showing main parts of other embodiments of the invention, FIG. 4 is a circuit diagram showing a conventional example, and FIG. The figure is a waveform diagram showing voltage and current waveforms of a secondary battery. 1...DC-AC converter, 2...Secondary battery, 3...
Power system, 4... Complete discharge device, 4 1 ... Reverse charging section,
4 2 ... Reverse discharge section, 5A, 5B... DC reactor,
SA, SB, SC...Switch, 8...Current detection section,
9...Control unit.
Claims (1)
流―交流変換装置と、スイツチング素子よりなる
ブリツジ回路の２つを互いに逆並列に接続し、そ
のうちの一方及び直流リアクトルよりなる逆充電
部と他方及び直流リアクトルよりなる逆放電部と
により構成した二次電池の完全放電装置と、二次
電池を直流―交流変換装置及び完全放電装置の間
で切り換え接続するモード用切り換え部とを有し
てなる電力変換装置において、 前記逆充電部及び逆放電部のうちの少なくとも
一方のスイツチング素子を自己消弧素子で構成し
、 前記直流―交流変換装置または完全放電装置か
ら系統に流れる電流を検出する電流検出部と、こ
の電流検出部の検出信号にもとずいて系統に流れ
込む高調波電流を打ち消す電流を出力するように
、自己消弧素子を用いた逆充電部及び／または逆
放電部に対してスイツチング動作を行わせる制御
部と、この制御部の設けられた逆充電部及び／ま
たは逆放電部の直流側の一端部を直流側他端部と
前記モード用切り換え部との間で切り換え接続す
るアクテイブフイルタ用切り換え部とを設けたこ
とを特徴とする電力変換装置。[Claims for Utility Model Registration] Two devices, a DC-AC converter that receives power between the power system and the secondary battery, and a bridge circuit consisting of a switching element, are connected in antiparallel to each other, and one of them and A complete discharge device for a secondary battery constituted by a reverse charging section consisting of a DC reactor and a reverse discharging section consisting of a DC reactor, and a mode in which the secondary battery is switched and connected between a DC-AC converter and a complete discharge device. A power conversion device comprising a switching unit for use, wherein at least one switching element of the reverse charging unit and the reverse discharging unit is configured with a self-arc-extinguishing element, A current detection unit that detects the current flowing into the grid, and a reverse charging unit using a self-extinguishing element so as to output a current that cancels the harmonic current flowing into the grid based on the detection signal of the current detection unit. /or a control unit that performs a switching operation on the reverse discharge unit; and a control unit that switches one end of the DC side of the reverse charging unit and/or reverse discharge unit provided with the control unit to the other end of the DC side for the mode; What is claimed is: 1. A power conversion device comprising: a switching section for an active filter that is switched between and connected to the active filter section;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171180U JPH0545081Y2 (en) | 1987-11-09 | 1987-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171180U JPH0545081Y2 (en) | 1987-11-09 | 1987-11-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0176145U true JPH0176145U (en) | 1989-05-23 |
| JPH0545081Y2 JPH0545081Y2 (en) | 1993-11-17 |
Family
ID=31462781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171180U Expired - Lifetime JPH0545081Y2 (en) | 1987-11-09 | 1987-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545081Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04289734A (en) * | 1991-03-15 | 1992-10-14 | Mitsubishi Electric Corp | Inverter device |
-
1987
- 1987-11-09 JP JP1987171180U patent/JPH0545081Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04289734A (en) * | 1991-03-15 | 1992-10-14 | Mitsubishi Electric Corp | Inverter device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545081Y2 (en) | 1993-11-17 |