Emergency power supply system and emergency power supply method of island
An emergency power supply system and emergency power supply technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problems of affecting the ecological environment, high cost of standby diesel generators, uneconomical and unstable submarine cable power supply, etc. The effect of low cost, promoting local economic and social development, and improving disaster resilience
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[0038] Example one
[0039] The present invention provides an island emergency power supply system for emergency power supply of an island power grid 1. The island emergency power supply system includes an island power grid emergency connection port, and the island power grid emergency connection port is used for the emergency power supply of the island power grid 1. The input of the island power grid monitoring and dispatching center 2, the island power grid monitoring and dispatching center 2 is connected to the island power grid 1 for monitoring the power supply of the island power grid 1;
[0040] Ship dispatching control center 3, said ship dispatching control center 3 is connected to said island power grid monitoring and dispatching center 2, and sending dispatching information when receiving island power grid fault information and dispatching instructions from said island power grid monitoring and dispatching center 2;
[0041] The ship 4 capable of generating electricity, the...
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[0052] Example two
[0053] The present invention also provides an emergency power supply method for islands, which is used when the island power grid fails. The method includes the following steps: the island power grid monitoring and dispatching center sends a power supply request instruction to the ship dispatching control center; The nearby power-generating ships send dispatch information; the power-generating ships that respond to the signal sail to the emergency connection of the island power grid according to the scheduling arrangement, and supply power to the island power grid.
[0054] In this embodiment, the step of current conversion is also included before supplying power to the island grid:
[0055] 1) Convert the direct current or alternating current output by the ship capable of generating electricity to the direct current required by the DC bus. Among them, when the ship is powered by a battery, the output current is DC, which needs to be converted to a suitable DC p...
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