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US 2009/0154069 A1Published application
Gas-insulated power apparatus
AssigneeMitsubishi Electric Corporation
InventorsTakuya Otsuka, Hitoshi Sadakuni, Daisuke Fujita
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AssigneeMitsubishi Electric Corporation
InventorsTakuya Otsuka, Hitoshi Sadakuni, Daisuke Fujita
Estimating the term…
A gas-insulated power apparatus comprising a vertically arranged gas-insulated circuit breaker included in a vertically arranged gas-insulated main tank, a first gas-insulated branch pipe connected to one side of an upper portion of the gas-insulated main tank substantially orthogonal to a direction of extending the gas-insulated main tank and leading out a feeder from a movable side of the gas-insulated circuit breaker, and a second and a third gas-insulated branch pipes which are respectively connected to both sides in a peripheral direction of a lower portion of the gas-insulated main tank substantially orthogonal to the direction of extending the gas-insulated main tank, one of which connects a fixed side of the gas-insulated circuit breaker to one gas-insulated Y bus of gas-insulated double buses and other of which connects the fixed side of the gas-insulated circuit breaker to other gas-insulated X bus of the gas-insulated double buses, respectively, by which a gas-insulated power apparatus having a structure in which although a width thereof is more or less widened, a height thereof is hardly changed and which is stable can be realized.
A gas-insulated power apparatus comprising a vertically arranged gas-insulated circuit breaker included in a vertically arranged gas-insulated main tank, a first gas-insulated branch pipe connected to one side of an upper portion of the gas-insulated main tank substantially orthogonal to a direction of extending the gas-insulated main tank and leading out a feeder from a movable side of the gas-insulated circuit breaker, and a second and a third gas-insulated branch pipes which are respectively connected to both sides in a peripheral direction of a lower portion of the gas-insulated main tank substantially orthogonal to the direction of extending the gas-insulated main tank, one of which connects a fixed side of the gas-insulated circuit breaker to one gas-insulated Y bus of gas-insulated double buses and other of which connects the fixed side of the gas-insulated circuit breaker to other gas-insulated X bus of the gas-insulated double buses, respectively.
A gas-insulated power apparatus comprising a vertically arranged gas-insulated circuit breaker included in a vertically arranged gas-insulated main tank, a first gas-insulated branch pipe connected to one side of an upper portion of the gas-insulated main tank by way of a first flange substantially orthogonal to a direction of extending the gas-insulated main tank and leading out a feeder from a movable side of the gas-insulated circuit breaker, a second gas-insulated branch pipe connected to one side in a peripheral direction of a lower portion of the gas-insulated main tank by way of a second flange substantially orthogonal to the direction of extending the gas-insulated main tank and connecting a fixed side of the gas-insulated circuit breaker to one gas-insulated Y bus of gas-insulated double buses, a third gas-insulated branch pipe connected to other side in the peripheral direction of the lower portion of the gas-insulated main tank by way of a third flange substantially orthogonal to the direction of extending the gas-insulated main tank and connecting the fixed side of the gas-insulated circuit breaker to other gas-insulated X bus of the gas-insulated double buses, a fourth flange disposed between the first flange and the second flange and provided to one side in a peripheral direction of a middle portion of the gas-insulated main tank, and a fifth flange provided to other side in the peripheral direction of the middle portion of the gas-insulated main tank and disposed on an opposed side in the peripheral direction of the fourth flange, wherein diameters of the second through the fourth flanges are the same.
A gas-insulated power apparatus comprising a vertically arranged gas-insulated circuit breaker included in a vertically arranged gas-insulated main tank, a first gas-insulated branch pipe connected to one side of an upper portion of the gas-insulated main tank substantially orthogonal to a direction of extending the gas-insulated main tank and leading out a feeder from a movable side of the gas-insulated circuit breaker, a second gas-insulated branch pipe connected to a lower portion of the gas-insulated main tank to be disposed on a lower side of the first gas-insulated branch pipe substantially orthogonal to the direction of extending the gas-insulated main tank and connecting a fixed side of the gas-insulated circuit breaker to gas-insulated double buses, a first connection conductor in a linear shape one end of which is connected to the gas-insulated Y bus and other end of which is extended to a lower portion at inside of the gas-insulated main tank, a second connection conductor which is arranged at inside of the gas-insulated main tank, an upper end of which is connected to the gas-insulated circuit breaker and a lower end of which is connected to the first connection conductor, respectively, and a bus side current transformer arranged at inside of the gas-insulated main tank in correspondence with the second connection conductor.
Dependencies are inferred from the claim text.