Marine power supply system, vessel equipped with same, marine power supply system control method, and marine power supply system control program
A technology of a power supply system and a control method, which is applied in the directions of engines, electrical components, and circuit devices using a combination of propulsion devices, and can solve problems such as the research on the load rate of diesel generators and the poor fuel consumption efficiency of diesel generators.
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no. 1 Embodiment approach 〕
[0052] Below, use Figure 1 to Figure 6 A first embodiment of the present invention will be described.
[0053] figure 1 A schematic configuration of a marine power supply system using a main diesel generator is shown in .
[0054] Such as figure 1 As shown, a marine power supply system 1 using a main diesel generator includes main diesel generators 11a and 11b, a diesel generator 10, a main propulsion engine 3, an ORC system (Organic Rankine Cycle System; Organic Rankine cycle system) 2, The secondary battery 20 serves as a main structure.
[0055] In the following description, when each main diesel generator 11 is distinguished, either a or b is attached at the end, and when each main diesel generator 11 is not distinguished, a or b is omitted.
[0056] The main diesel generators 11a and 11b generate electricity for supplying electric power required in the ship. Usually, one main diesel generator 11 is always in operation, and only when the power demand in the ship beco...
no. 2 Embodiment approach 〕
[0131] Below, use Figure 7 A second embodiment of the present invention will be described.
[0132] In the above-mentioned first embodiment, the diesel generator is always operated, but in this embodiment, the diesel generator is operated only when it can be operated at a high load factor (a load factor as close as possible to 100%). The other points are the same as those of the first embodiment, so the same symbols are attached to the same structures and their descriptions are omitted.
[0133] The charge amount of the secondary battery 20 is limited to 100kw, and when the diesel generator 10 is always operated without starting and stopping, the charge amount of the secondary battery 20 reaches the limit value of 100kw because the capacity will be exceeded, and further charging cannot be performed. As a result, it is necessary to reduce the load factor of the diesel generator 10 . Therefore, when the diesel generator 10 is always operated, it is difficult to always perform...
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