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Topology structure and control method of an AC/DC power generation system

A technology of power generation system and topology structure, which is applied in the direction of control system, generator control, generator control through magnetic field changes, etc., can solve the problems that cannot meet the requirements of AC power generation and multi-voltage level DC power generation at the same time, and meet the needs of multiple users. Electrical port requirements, improving the effect of a single port

Active Publication Date: 2020-02-18
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] The purpose of the present invention is to address the shortcomings of the above-mentioned background technology, to provide a topology and control method for an AC / DC power generation system, to realize multi-port AC / DC power generation, and to solve the problem that the current AC / DC power generation system cannot meet both AC power generation and Technical Problems in the Requirements of Multi-voltage Level DC Power Generation

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  • Topology structure and control method of an AC/DC power generation system
  • Topology structure and control method of an AC/DC power generation system

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Embodiment Construction

[0022] The technical solution of the invention will be described in detail below in conjunction with the accompanying drawings.

[0023] AC and DC power generation systems such as figure 1 As shown, it includes: star-open combined double-winding multi-port generator 1, first power generation drive unit 2, second power generation drive unit 3, first DC port 4, second DC port 5, third DC port 6. AC port 7, first filter inductor 8, second filter inductor 9, excitation capacitor 10, first circuit breaker 11, second circuit breaker 12, third circuit breaker 13, fourth circuit breaker 14, fifth circuit breaker 15. The sixth circuit breaker 16.

[0024]The stator of the star-open combined double-winding multi-port generator has two sets of windings, one set of windings is open-connected and has two power output ports; the other set of windings is star-connected and has one power output port. One end of the open winding of the star-open combined double-winding multi-port generator 1...

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Abstract

The invention discloses a topology structure and a control method of an AC / DC power generation system, belonging to the technical field of power generation, power transformation or distribution, whichis particularly suitable for occasions requiring direct current energy and alternating current energy of different voltage levels. The power generation system consists of a star The generator adoptstwo sets of stator windings, one set is open winding structure, two output terminals are connected with a power generation driving unit respectively, and the output terminals of the two power generation driving units are connected in series to form a three-wire bipolar bus bar, that is, a positive bus bar, a negative bus bar and a ground bar. The other winding directly outputs three-phase alternating current to form a multi-port AC / DC power generation system, which improves the shortcomings of single power supply form and single DC power supply voltage level in micro-grid and multi-electric aircraft, and can meet the requirements of different DC loads and load diversification in aircraft and micro-grid.

Description

technical field [0001] The invention discloses a topological structure and a control method of an AC / DC power generation system, belongs to the technical field of power generation, transformation or distribution, and is especially suitable for occasions requiring DC power and AC power of different voltage levels. Background technique [0002] With the global energy crisis and environmental pollution becoming more and more serious, distributed power sources such as photovoltaics and wind power have attracted more and more attention due to their renewable and clean advantages. It has become a development trend. At present, microgrids are mainly divided into two types: DC microgrids and AC microgrids, and DC microgrids usually have two types of power supply: unipolar and bipolar. Compared with the unipolar DC microgrid, the bipolar DC microgrid has two voltage levels, which can effectively improve the utilization rate of the DC power supply system and adapt to the access requi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P9/30
CPCH02P9/30H02P9/305
Inventor 卜飞飞刘皓喆黄文新刘路
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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