DC ladder bus
First Claim
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1. A DC ladder bus comprising:
- a first positive DC rail and a first negative DC rail defining a first DC bus rail for carrying DC power;
a second positive DC rail and a second negative DC rail defining a second DC bus rail carrying DC power;
a plurality of rungs, each rung coupled across the first DC bus rail and the second DC bus rail;
a generator coupled to each rung; and
a plurality of disconnects, each disconnect associated with one of said rungs to individually isolate each of said rungs from one of said first DC bus rail and said second DC bus rail.
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Abstract
An embodiment of the invention is a DC ladder bus having a first positive DC rail and a first negative DC rail defining a first DC bus rail for carrying DC power. A second positive DC rail and a second negative DC rail defined a second DC bus rail carrying DC power. A plurality of rungs are coupled across the first DC bus rail and the second DC bus rail. A generator is coupled to each rung. A plurality of disconnects are associated with each of the rungs to individually isolate each of the rungs from one of the first DC bus rail and the second DC bus rail.
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Citations
14 Claims
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1. A DC ladder bus comprising:
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a first positive DC rail and a first negative DC rail defining a first DC bus rail for carrying DC power;
a second positive DC rail and a second negative DC rail defining a second DC bus rail carrying DC power;
a plurality of rungs, each rung coupled across the first DC bus rail and the second DC bus rail;
a generator coupled to each rung; and
a plurality of disconnects, each disconnect associated with one of said rungs to individually isolate each of said rungs from one of said first DC bus rail and said second DC bus rail. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A DC ladder bus comprising:
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a first positive DC rail and a first negative DC rail defining a first DC bus rail for carrying DC power;
a second positive DC rail and a second negative DC rail defining a second DC bus rail carrying DC power;
a plurality of rungs, each rung coupled across the first DC bus rail and the second DC bus rail;
a generator coupled to each rung; and
a plurality of disconnects, each disconnect associated with one of said rungs to individually isolate each of said rungs from one of said first DC bus rail and said second DC bus rail;
wherein each rung includes a first disconnect connecting said rung to said first DC bus rail, a second disconnect connecting said rung to said second DC bus rail, a first internal disconnect for disconnecting a first portion of said rung from a second portion of said rung and a second internal disconnect for disconnecting a second portion of said rung from said first portion of said rung;
said generator includes a plurality of generators, each rung receiving power from two generators and each rung receives power from a different combination of generators.
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Specification