DC power system for marine applications
First Claim
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1. A power system for a marine ship, comprising:
- a plurality of protection zones, each protection zone comprising;
a plurality of direct current (DC) buses;
wherein DC buses which do not have same DC voltage are coupled to each other via at least one DC to DC converter;
at least one energy source coupled to at least one DC bus via a power electronic converter; and
wherein at least two protection zones are coupled to each other via at least one bus-tie converter.
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Abstract
A power system for a marine ship includes a plurality of protection zones, wherein at least two protection zones are coupled to each other via at least one bus-tie converter. Each of the protection zones includes a plurality of direct current (DC) buses; wherein DC buses which do not have same DC voltage are coupled to each other via at least one DC to DC converter. Furthermore, at least one energy source is coupled to at least one DC bus via a power electronic converter.
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Citations
21 Claims
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1. A power system for a marine ship, comprising:
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a plurality of protection zones, each protection zone comprising; a plurality of direct current (DC) buses;
wherein DC buses which do not have same DC voltage are coupled to each other via at least one DC to DC converter;at least one energy source coupled to at least one DC bus via a power electronic converter; and wherein at least two protection zones are coupled to each other via at least one bus-tie converter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of providing power to a marine ship comprising:
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providing power to at least one DC bus in the marine ship via an energy source connected to a power electronic converter; connecting at least two protection zones of the marine ship via at least one bus-tie converter; and coupling DC buses which do not have same DC voltage in one protection zone with each other via at least one DC to DC converter. - View Dependent Claims (18, 19, 20, 21)
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Specification