JP2004153932A5 - - Google Patents
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- JP2004153932A5 JP2004153932A5 JP2002316612A JP2002316612A JP2004153932A5 JP 2004153932 A5 JP2004153932 A5 JP 2004153932A5 JP 2002316612 A JP2002316612 A JP 2002316612A JP 2002316612 A JP2002316612 A JP 2002316612A JP 2004153932 A5 JP2004153932 A5 JP 2004153932A5
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- phase
- transformer
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Claims (7)
前記変圧器の２端子と前記２端子の定格電圧よりも低い単相電圧を供給できる他の回路の対応する２相との間に、前記変圧器の運転停止中に前記変圧器に前記他の回路から単相低圧電圧を一時的に印加するように開閉操作される開閉器、
を備えたことを特徴とする変圧器の励磁突入電流低減回路。A power supply circuit comprising a three-phase transformers,
Between the two terminals of the transformer and the corresponding two phases of another circuit capable of supplying a single-phase voltage lower than the rated voltage of the two terminals, the other to the transformer during shutdown of the transformer A switch that is opened and closed to temporarily apply a single-phase low-voltage from the circuit,
An inrush current reduction circuit for a transformer characterized by comprising:
前記三相変圧器の三角結線側の２端子と前記２端子の定格電圧よりも低い単相電圧を供給できる他の回路の対応する２相との間に、前記三相変圧器の運転停止中に前記三相変圧器に前記他の回路から単相低圧電圧を一時的に印加するように開閉操作される開閉器、
を備えたことを特徴とする変圧器の励磁突入電流低減回路。A power supply circuit comprising a three-phase transformers,
The operation of the three-phase transformer is stopped between the two terminals on the triangular connection side of the three-phase transformer and the corresponding two phases of another circuit that can supply a single-phase voltage lower than the rated voltage of the two terminals. A switch operated to open and close to temporarily apply a single-phase low voltage from the other circuit to the three-phase transformer,
An inrush current reduction circuit for a transformer characterized by comprising:
前記三相変圧器の星形結線の短絡された２端子と残りの端子との都合２端子と前記２端子の定格電圧よりも低い単相電圧を供給できる他の回路の対応する２相との間に、前記三相変圧器の運転停止中に前記三相変圧器に前記他の回路から単相低圧電圧を一時的に印加するように開閉操作される開閉器、
を備えたことを特徴とする変圧器の励磁突入電流低減回路。A power supply circuit comprising a three-phase transformers,
The convenience of two short-circuited terminals of the star connection of the three-phase transformer and the remaining terminals, and two corresponding phases of other circuits capable of supplying a single-phase voltage lower than the rated voltage of the two terminals. In between, a switch that is operated to be opened and closed so as to temporarily apply a single-phase low-voltage from the other circuit to the three-phase transformer during the operation stop of the three-phase transformer,
An inrush current reduction circuit for a transformer characterized by comprising:
前記スコット結線変圧器の三相側の２端子と前記三相側の２端子の定格電圧よりも低い単相電圧を供給できる他の回路の対応する２相との間に、前記スコット結線変圧器の運転停止中に前記スコット結線変圧器に前記他の回路から単相低圧電圧を一時的に印加するように開閉操作される開閉器、
を備えたことを特徴とする変圧器の励磁突入電流低減回路。In the power supply circuit including a scan cot connection transformer,
Between the two terminals on the three-phase side of the Scott connection transformer and the corresponding two phases of another circuit capable of supplying a single-phase voltage lower than the rated voltage of the two terminals on the three-phase side, the Scott connection transformer A switch that is opened and closed to temporarily apply a single-phase low-voltage from the other circuit to the Scott connection transformer during shutdown of
An inrush current reduction circuit for a transformer characterized by comprising:
前記スコット結線変圧器の二次側単相巻線の２端子と前記二次側単相巻線の２端子の定格電圧よりも低い単相電圧を供給できる他の回路の対応する２相との間に、前記スコット結線変圧器の運転停止中に前記スコット結線変圧器に前記他の回路から単相低圧電圧を一時的に印加するように開閉操作される開閉器、
を備えたことを特徴とする変圧器の励磁突入電流低減回路。In the power supply circuit including a scan cot connection transformer,
The two terminals of the secondary-side single-phase winding of the Scott connection transformer and the corresponding two-phases of other circuits capable of supplying a single-phase voltage lower than the rated voltage of the two terminals of the secondary-side single-phase winding In between, the switch operated to be opened and closed so as to temporarily apply a single-phase low-voltage from the other circuit to the Scott connection transformer during the operation stop of the Scott connection transformer,
An inrush current reduction circuit for a transformer characterized by comprising:
前記単相変圧器の２端子と前記２端子の定格電圧よりも低い単相電圧を供給できる他の回路の対応する２相との間に、前記単相変圧器の運転停止中に前記単相変圧器に前記他の回路から単相低圧電圧を一時的に印加するように開閉操作される開閉器、
を備えたことを特徴とする変圧器の励磁突入電流低減回路。 In a power supply circuit including a single- phase transformer,
Between the two terminals of the single phase transformer and the corresponding two phases of another circuit capable of supplying a single phase voltage lower than the rated voltage of the two terminals, the single phase A switch that is opened and closed to temporarily apply a single-phase low-voltage from the other circuit to the transformer;
An inrush current reduction circuit for a transformer characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002316612A JP2004153932A (en) | 2002-10-30 | 2002-10-30 | Exciting rush current reduction circuit for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002316612A JP2004153932A (en) | 2002-10-30 | 2002-10-30 | Exciting rush current reduction circuit for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004153932A JP2004153932A (en) | 2004-05-27 |
| JP2004153932A5 true JP2004153932A5 (en) | 2005-09-15 |
Family
ID=32460266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002316612A Pending JP2004153932A (en) | 2002-10-30 | 2002-10-30 | Exciting rush current reduction circuit for transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004153932A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5472920B2 (en) | 2010-08-23 | 2014-04-16 | 株式会社東芝 | Excitation current suppression device |
| JP5762870B2 (en) | 2011-07-27 | 2015-08-12 | 株式会社東芝 | Excitation current suppression device |
| CN103795030B (en) * | 2014-01-15 | 2016-10-26 | 山东大学 | A kind of connect the transformer relay protecting method of conductance based on vertical propping up |
| CN106972506B (en) * | 2017-05-11 | 2023-10-13 | 成都交达电气有限公司 | Power distribution system and power system |
| CN109448952B (en) * | 2018-12-19 | 2023-11-24 | 卧龙电气南阳防爆集团股份有限公司 | Low-voltage pre-magnetizing system and method for high-voltage high-power rectifying device |
-
2002
- 2002-10-30 JP JP2002316612A patent/JP2004153932A/en active Pending
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