Double-excitation double-fed mutual charging high-speed switched reluctance generator converter system

Abstract

A double-excitation double-feed mutual-charging high-speed switched reluctance generator converter system is composed of two storage batteries, fourteen switch tubes, fourteen diodes, a three-phase winding, ten capacitors and two inductors. A phase winding converter loop divides each phase winding into two parts for respective excitation, so that the reliability is enhanced, the excitation effectis enhanced, and the output power generation voltage is directly far higher than the voltage of an input side storage battery by utilizing the same phase winding converter loop, i.e., the voltage is directly boosted; due to the arrangement of the double storage batteries, the problem that an excitation power supply cannot be selected under the excitation of the storage batteries is solved, meanwhile, a series of problems of automatic charging, reverse energy feedback, automatic charging between the double storage batteries and the like of the storage batteries are intensively solved through aset of converter circuit and regulation and control of the converter circuit, and the adaptability and flexibility of the system are improved; an isolation link of the whole system structure is also omitted; the converter system is suitable for being applied to the field of small and medium-power high-speed switched reluctance generator systems with output in connection with independent loads or grid connection under driving of various kinds of power.

Description

technical field [0001] The invention relates to the field of switched reluctance motor systems, in particular to a high-speed switched reluctance generator converter system with dual-voltage excitation power supply, double-fed energy output, automatic charging of the excitation power supply and mutual charging to directly increase the output voltage and its control method . Background technique [0002] When the switched reluctance generator is running, according to the rotor position information, the working hours of each phase winding are divided into two stages: excitation and power generation, and they are carried out in time. The excitation stage greatly affects the subsequent power generation capacity. The excitation power supply is very important. The changing excitation power supply can Enhance the adaptability and flexibility of the system, and even contribute to the improvement of power generation capacity. In the case of using batteries as the excitation power sup...

AI Technical Summary

Problems solved by technology

[0002] When the switched reluctance generator is running, according to the rotor position information, the working hours of each phase winding are divided into two stages: excitation and power generation, and they are carried out in time. The excitation stage greatly affects the subsequent power generation capacity. The excitation power supply is very important. The changing excitation power supply can Enhance the adaptability and flexibility of the system, and even contribute to the improvement of power generation capacity. In the case of using batteries as the excitation power supply, there is often a major problem that the excitation voltage is fixed at a value, not to mention the enhanced excitation capacity that the industry often expects However, the use of different battery-powered excitations enhances flexibility, but greatly increases the cost of manual or automatic maintenance

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