JPWO2018069627A5

JPWO2018069627A5 -

Info

Publication number: JPWO2018069627A5
Application number: JP2019519326A
Authority: JP
Publication date: 2023-08-22
Anticipated expiration: 2037-10-10

Description

さらに、本発明のスイッチは、以下の追加の特徴の少なくとも１つおよび／または複数を併せて含んでいてもよい：
・μＦ単位のキャパシタンスＣの値に対し、μＨ単位のインダクタンスＬは、４００×Ｃ^-0.84～２７００×Ｃ^-0.84の範囲にある；
・ガス状流体は、２０℃で測定したときの充填圧力が０．６５ＭＰａ～１．１ＭＰａの範囲にある二酸化炭素のみによって構成されている；
・ガス状流体は、二酸化炭素および六フッ化硫黄の混合物によって構成されている；
・２０体積％～３０体積％の六フッ化硫黄；
・ガス状流体は、二酸化炭素および四フッ化炭素の混合物によって構成されている；
・２０体積％～３０体積％の四フッ化炭素；
・ガス状流体は、二酸化炭素およびフルオロニトリルの混合物によって構成されている；
・４体積％～１０体積％のフルオロニトリル；
・ガス状流体は、二酸化炭素および酸素の混合物によって構成されている；
・５体積％～１５体積％の酸素；
・ガス状流体は、二酸化炭素、酸素およびフルオロケトンの３成分混合物によって構成されている；および
・５体積％～１５体積％の酸素と、４体積％～１０体積％のフルオロケトン。 Additionally, switches of the present invention may include at least one and/or more of the following additional features in combination:
- for values of capacitance C in μF, inductance L in μH is in the range of 400×C ^−0.84 to 2700×C ^−0.84 ;
- the gaseous fluid consists solely of carbon dioxide with a filling pressure in the range of 0.65 MPa to 1.1 MPa measured at 20°C;
- the gaseous fluid is constituted by a mixture of carbon dioxide and sulfur hexafluoride;
- 20% to 30% by volume sulfur hexafluoride;
- the gaseous fluid is constituted by a mixture of carbon dioxide and carbon tetrafluoride;
- 20% to 30% by volume carbon tetrafluoride;
- the gaseous fluid is constituted by a mixture of carbon dioxide and fluoronitrile;
- 4% to 10% by volume of a fluoronitrile;
- the gaseous fluid is constituted by a mixture of carbon dioxide and oxygen;
- 5% to 15% oxygen by volume;
• The gaseous fluid is constituted by a ternary mixture of carbon dioxide, oxygen and fluoroketones; and • 5% to 15% by volume oxygen and 4% to 10% by volume fluoroketones.

別の実施形態では、ＤＣ回路遮断装置の密閉容器５ａは、二酸化炭素および酸素の混合物によって構成されたガス状流体を収容している。この例では、ＤＣ回路遮断装置の密閉容器は、５体積％～１５体積％の酸素と、残部としての二酸化炭素と、を収容している。 In another embodiment, the closed vessel 5a of the DC circuit breaker contains a gaseous fluid constituted by a mixture of carbon dioxide and oxygen. In this example, the closed vessel of the DC circuit interrupter contains 5% to 15% by volume of oxygen and the balance carbon dioxide.

別の実施形態では、ＤＣ回路遮断装置の密閉容器５ａは、二酸化炭素、酸素およびフルオロケトン(Ｃ_nＦＫ)の３成分混合物によって構成されたガス状流体を収容している。この例では、ＤＣ回路遮断装置の密閉容器は、５体積％～１５体積％の酸素と、４体積％～１０体積％のフルオロケトンと、残部としての二酸化炭素と、を収容している。 In another embodiment, the closed vessel 5a of the DC circuit breaker contains a gaseous fluid constituted by a ternary mixture of carbon dioxide, oxygen and fluoroketones (C _n FK). In this example, the closed vessel of the DC circuit breaker contains 5% to 15% by volume oxygen, 4% to 10% by volume fluoroketone, and the balance carbon dioxide.

Claims

A switch for a high-voltage or medium-voltage direct current network (1), said switch having at least one enclosure containing a gaseous fluid and a system for blasting an arc with the gaseous fluid a branch having a DC circuit breaking device (5) comprising an active circuit breaking member encased in a container (5a), said branch being inserted into a network line and parallel to said branch; , a branch path with an energy absorber (7), and secondly, a resonant circuit (6) with a predetermined capacitance (C) and a predetermined inductance (L), said DC circuit interrupting device. The closed container of (5) contains a gaseous fluid comprising at least 70% by volume of carbon dioxide and having a fill pressure in the range of 0.65 MPa to 1.1 MPa when measured at 20° C., and a capacitance in μF A switch, wherein said inductance (L) in μH for a value of (C) is in the range of 400×C ^−0.84 to 2700×C ^−0.84 .

The closed container of the DC circuit breaker (5) contains a gaseous fluid composed only of carbon dioxide with a filling pressure in the range of 0.65 MPa to 1.1 MPa when measured at 20°C. 2. A switch according to claim 1, characterized in that:

A switch according to claim 1, characterized in that said closed vessel of said DC circuit breaker (5) contains a gaseous fluid constituted by a mixture of carbon dioxide and sulfur hexafluoride.

A switch according to claim 3, characterized in that the closed vessel of the DC circuit breaker (5) contains 20% to 30% by volume of sulfur hexafluoride.

A switch according to claim 1, characterized in that said enclosure of said DC circuit breaker (5) contains a gaseous fluid constituted by a mixture of carbon dioxide and carbon tetrafluoride.

A switch according to claim 5, characterized in that said enclosure of said DC circuit breaker (5) contains 20% to 30% by volume of carbon tetrafluoride.

A switch according to claim 1, characterized in that said enclosure of said DC circuit breaker (5) contains a gaseous fluid constituted by a mixture of carbon dioxide and fluoronitrile.

A switch according to claim 7, characterized in that the closed container of the DC circuit breaker (5) contains 4% to 10% by volume of fluoronitrile.

A switch according to claim 1, characterized in that said enclosure of said DC circuit breaker (5) contains a gaseous fluid constituted by a mixture of carbon dioxide and oxygen.

A switch according to claim 9, characterized in that said enclosure of said DC circuit breaker (5) contains between 5% and 15% by volume of oxygen.

A switch according to claim 1, characterized in that said closed vessel of said DC circuit breaker (5) contains a gaseous fluid constituted by a ternary mixture of carbon dioxide, oxygen and fluoroketones. .

11. The closed container of the DC circuit breaker (5) contains 5% to 15% by volume of oxygen and 4% to 10% by volume of fluoroketone. switch described in .

High or medium voltage direct current network, characterized in that it comprises at least one switch (2i) according to any one of the preceding claims.