Subsea switchgear
First Claim
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1. A subsea switchgear, comprising:
- a subsea enclosure configured to allow the deployment of the subsea switchgear at a subsea location;
a power input to receive AC electrical power from a power source;
at least two power outputs to give out AC electrical power;
a power distribution bus to distribute the received AC electrical power to the at least two power outputs; and
a plurality of contactors, at least one of the plurality of contactors being connected between a respective one of the at least two power outputs and the power distribution bus, each of the plurality of contactors being controllable to connect or disconnect the respective one of the at least two power outputs from the power distribution bus wherein the plurality of contactors are solenoid contactors and wherein the plurality of contactors are submerged in a dielectric liquid.
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Abstract
A subsea switchgear for switching the power supply to plural subsea loads includes a subsea enclosure, to allow the deployment of the subsea switchgear at a subsea location; a power input for receiving AC electrical power from a power source; at least two power outputs for giving out AC electrical power; and a power distribution bus for distributing the received AC electrical power to the at least two power outputs. In at least one embodiment, between each power output and the power distribution bus, a contactor is connected which is controllable to connect or disconnect the respective power output from the power distribution bus.
10 Citations
35 Claims
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1. A subsea switchgear, comprising:
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a subsea enclosure configured to allow the deployment of the subsea switchgear at a subsea location; a power input to receive AC electrical power from a power source; at least two power outputs to give out AC electrical power; a power distribution bus to distribute the received AC electrical power to the at least two power outputs; and a plurality of contactors, at least one of the plurality of contactors being connected between a respective one of the at least two power outputs and the power distribution bus, each of the plurality of contactors being controllable to connect or disconnect the respective one of the at least two power outputs from the power distribution bus wherein the plurality of contactors are solenoid contactors and wherein the plurality of contactors are submerged in a dielectric liquid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A method of operating a subsea switchgear, comprising:
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receiving AC electrical power at a power input; distributing AC electrical power to two or more power outputs via a power distribution bus; and switching power supply to the two or more power outputs via at least two contactors, each of the at least two contactors being connected between a respective one of the at least two power outputs and the power distribution bus, wherein the at least two contactors are solenoid contactors and wherein the at least two contactors are submerged in a dielectric liquid.
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Specification