JPH02125548U - - Google Patents
Info
- Publication number
- JPH02125548U JPH02125548U JP72889U JP72889U JPH02125548U JP H02125548 U JPH02125548 U JP H02125548U JP 72889 U JP72889 U JP 72889U JP 72889 U JP72889 U JP 72889U JP H02125548 U JPH02125548 U JP H02125548U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- load
- capacitor
- phase current
- converter
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図は本考案装置の基本構成図、第２図は本
考案装置の構成の具体例を示す回路図、第３図は
第２図の構成における電圧、電流波形を示した図
、第４図はスイツチ素子のオン・オフを高周波で
行つて制御する場合の動作を説明するための図で
ある。
１……三相電源、２……負荷、３……コンバー
タ、３１……チヨークコイル、３２……スイツチ
素子、３３……コンデンサ、３４……ＣＴ、３５
……コンバータ制御装置。
Figure 1 is a basic configuration diagram of the device of the present invention, Figure 2 is a circuit diagram showing a specific example of the configuration of the device of the present invention, Figure 3 is a diagram showing voltage and current waveforms in the configuration of Figure 2, and Figure 4 is a diagram showing the voltage and current waveforms in the configuration of Figure 2. The figure is a diagram for explaining the operation when controlling the switch element by turning it on and off at high frequency. 1...Three-phase power supply, 2...Load, 3...Converter, 31...Chiyoke coil, 32...Switch element, 33...Capacitor, 34...CT, 35
...Converter control device.
Claims (1)
Ｔを入れ、コンデンサをその負荷とする逆変換動
作可能なコンバータをＣＴと負荷との間から分岐
して接続し、各相電流の不平衡の度合いを小さく
するように、相電流の小さい相からは順変換でコ
ンデンサにエネルギーを蓄え、半サイクル以内に
相電流の大きい相へそのエネルギーを逆変換で返
すようにコンバータを制御する不平衡電流の平衡
化装置。 C for each phase current detection between the three-phase power supply and its load
A converter capable of reverse conversion operation with a capacitor as the load is connected branchingly between the CT and the load, and the phase with the smaller phase current is connected to the is an unbalanced current balancing device that stores energy in a capacitor through forward conversion and controls the converter to return that energy to the phase with the larger phase current within half a cycle through reverse conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72889U JPH02125548U (en) | 1989-01-06 | 1989-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP72889U JPH02125548U (en) | 1989-01-06 | 1989-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02125548U true JPH02125548U (en) | 1990-10-16 |
Family
ID=31504669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP72889U Pending JPH02125548U (en) | 1989-01-06 | 1989-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02125548U (en) |
-
1989
- 1989-01-06 JP JP72889U patent/JPH02125548U/ja active Pending