Wide-range excitation power generation and automatic double-charging switched reluctance generator converter system

Abstract

The invention discloses a wide-range excitation power generation and automatic double-charging switched reluctance generator converter system, which is composed of two storage batteries, ten switch tubes, nine diodes, five capacitors, a three-phase winding and two transformers. The two storage batteries and three switch tubes form an excitation power supply with excitation output voltage adjustable in a high-medium-low wide range, and the adaptability and the power generation capacity of the system are greatly improved. By directly depending on a simple converter loop of each phase winding andunder the aid of the excitation power supply, the problem about adjustment of the output power generation voltage in a large range is solved, and a subsequent boosting link is omitted during high-voltage output. Automatic isolated charging of the two non-common-ground storage batteries in the excitation power supply is realized only by adopting one switch tube, the sustainability and reliabilityof the system are improved, and the structure and control are simplified. The system is suitable for being applied to switched reluctance generator systems of various power inputs and various output loads.

Description

Technical field [0001] The invention relates to the field of switched reluctance motor systems, and in particular to a switched reluctance generator converter system and a control method thereof for wide-range excitation voltage input, wide-range power generation voltage output, single input and double output to automatically simultaneously charge two excitation batteries . Background technique [0002] The switched reluctance motor has simple and firm structure, low cost and high reliability, and it has broad application prospects as a generator. [0003] In the operation of a switched reluctance generator, before each phase winding generates electrical energy, it needs to absorb electrical energy for the energy storage excitation of its own winding. The excitation electrical energy, especially the excitation voltage, greatly affects the phase winding excitation current and subsequent power output capacity, so, The adjustable excitation voltage can especially increase the adaptab...

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Problems solved by technology

[0003] During the operation of the switched reluctance generator, before each phase winding sends out electric energy, it needs to absorb electric energy to store and excite its own winding. The excitation electric energy, especially the excitation voltage, greatly affects the excitation current of the phase winding and the output capacity of subsequent power generation. Therefore, The variable excitation voltage can be adjusted, especially to increase the adaptability of power generation output; on the other hand, the industry often uses battery packs as the excitation power supply, and the problem of battery charging occurs, especially when there are multiple batteries and they do not share the same ground. The charging system poses a challenge. If there are too many and too complicated charging systems, it will inevitably greatly increase the complexity of the structure and control of the entire system, as well as the cost, and reduce the reliability.

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