A Direct Boost Double-fed Switched Reluctance Generator Converter System

Abstract

A direct-boost double-fed switched reluctance generator converter system, structurally composed of a battery, twelve switch tubes, three-phase windings, thirteen capacitors, twelve diodes, a transformer, and two inductors, each proposed The two branch windings of the phase winding are respectively excited by different excitation power sources and control modes, and obtain enhanced excitation effects. Under the self-excitation power generation structure, high voltage can be directly output, which adapts to the demand for high voltage in most occasions and reduces links. At the same time, this structure reserves a mode that is suitable for the continuous current of the phase winding current in the whole domain, which has strong adaptability, the battery is automatically charged and has high quality, and at the same time, it can feed back energy, so that the power generation system can work normally under extreme conditions on the load side and help the load side to ride through faults. Based on the above functions, the whole system realizes common ground and no power frequency transformer; the invention is applicable to the application field of all kinds of small and medium power high-speed switched reluctance generator systems with various power input and output sides as loads or power grids.

Description

technical field [0001] The present invention relates to the field of switched reluctance motor systems, in particular to a system that directly raises the output voltage of power generation, bidirectionally feeds energy between the excitation power supply and the output end of the power generation, and has high forward charging quality, can strengthen the excitation, share the ground of the whole system, and can adapt to the whole field of phase windings. A current continuous switched reluctance generator converter system and a control method thereof. Background technique [0002] The application of switched reluctance generators is relatively late, and its research and development are relatively slow in recent years. The key lies in the constraints of its converter system, which specifically involves the improvement of power generation efficiency and benefits, the cost performance of the converter system structure, and the control of converters. Ease of implementation, and ...

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Problems solved by technology

[0003] The structure of the switched reluctance generator body is extremely simple and strong, and the cost is also low. It should have a wide range of application prospects, but its current conversion is more complicated. According to the real-time position information of the rotor, each phase winding needs to be divided into at least excitation and power generation. At present, under the premise of improving stability, improving the utilization rate of the inverter structure, simplifying the conversion process, regenerating electric energy, and intelligentization are the development trends.

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