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A Reconfiguration Method of Ship Power Distribution Network Based on Queue Intelligent Algorithm

A power distribution network and intelligent algorithm technology, which is applied in the direction of AC network circuits, electrical components, circuit devices, etc., can solve the problems of slow power supply recovery and large amount of calculation, so as to improve speed and efficiency, improve search accuracy, and reduce power distribution. The full effect of the construction process

Active Publication Date: 2020-11-03
HARBIN ENG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of large amount of calculation and slow recovery of power supply in the process of restoring power supply after the ship power distribution network fails, and to provide a reconstruction method of ship power distribution network based on queue intelligent algorithm

Method used

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  • A Reconfiguration Method of Ship Power Distribution Network Based on Queue Intelligent Algorithm
  • A Reconfiguration Method of Ship Power Distribution Network Based on Queue Intelligent Algorithm
  • A Reconfiguration Method of Ship Power Distribution Network Based on Queue Intelligent Algorithm

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specific Embodiment approach 1

[0046] Specific implementation mode one: what this implementation mode records is a kind of reconstruction method of the ship power distribution network based on queue intelligent algorithm, and the concrete steps of described method are as follows:

[0047] Step 1: According to different ship types and power distribution networks, graph the power distribution network of the ship; determine the circuit structure used for the power distribution network of the ship's integrated electric propulsion system: the MVDC power distribution structure of the medium-voltage DC integrated power system is as follows: figure 2 As shown (for the convenience of description, the converter and inverter links are omitted), including 2 main gas turbine generator sets (MTG1, MTG2), 2 auxiliary gas turbine generator sets (ATG1, ATG2), 6 main power distribution boards (Bus1, Bus2, Bus3, Bus5, Bus6 and Bus7), 2 tie bars (Bus4 and Bus8), 3 area load distribution boards (Bus9, Bus10 and Bus11), 2 propul...

Embodiment 1

[0081] Figure 4 It is an example of the structure of the ship's MVDC integrated electric propulsion system before failure. The power of each generator and load is shown in the figure, and the failure occurs in each protection area.

[0082] Figure 5 It is a graphical representation of a fault example of a ship MVDC integrated electric propulsion system. The failure of the regional bus connected to the generator is one of the most likely to cause insufficient power in the system. Assume that the bus Bus1 connected to MTG1 fails. In order to isolate the fault, circuit breakers BK1 and BK10 , BK17 and BK18 must be disconnected. Graphical representation of the system at this time such as Figure 5 As shown, the black dotted path indicates that the circuit breaker cannot be used for reconfiguration operations.

[0083] Figure 6 In order to realize the fault instance reconstruction results of ship power distribution network reconfiguration based on the queue intelligent algor...

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Abstract

The invention relates to a ship distribution network reconstruction method based on a queue intelligent algorithm, and belongs to the technical field of ship power distribution network reconstruction.The invention aims to solve the problems of large calculation amount and slow power supply recovery in the power supply recovery process after a ship power distribution network breaks down. Firstly,relevant parameters of the ship power distribution network are obtained, and state information of a generator set, a distribution board, a connection bus, a load, a circuit breaker and the like are determined; when a power system breaks down, a distribution network fault is judged and a power loss area is isolated; whether the load power requirement of a non-power-losing area can be satisfied or not is judged by controlling the output power of a generator and a circuit breaker, and ship distribution network reconstruction is performed according to the condition based on the queue intelligent algorithm; whether the non-key load needs to be unloaded or not is judged, and the load power maximization is achieved, and power re-supplying to the non-power-losing load area is performed, so that continuous work as normal is realized.

Description

technical field [0001] The invention belongs to the technical field of reconfiguration of a ship power distribution network, and in particular relates to a method for reconfiguring a ship power distribution network based on a queue intelligent algorithm. Background technique [0002] The distribution network reconfiguration problem is a typical problem in the power system. The distribution network contains section switches and tie switches, which generally have the characteristics of closed-loop design and open-loop operation. The distribution network reconfiguration is to change the status of these switches. Change the network structure to achieve the purpose of optimal operation or safe operation. Distribution network reconfiguration usually includes two cases: the first case is to adjust the network structure according to the operating conditions during the normal operation of the distribution system, improve the quality of the power supply voltage of the distribution sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00
CPCH02J3/00H02J2203/20
Inventor 刘洪丹彭秀艳马吴涵张兰勇李冰
Owner HARBIN ENG UNIV
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