Medium-frequency medium-voltage twelve-phase rectification power generation system

By increasing the working frequency of the intermediate frequency and medium voltage twelve-phase rectifier power generation system and adjusting the pole pair of the exciter, the problems of large volume and poor dynamic response performance of the 50Hz twelve-phase rectifier power generation are solved, and the volume reduction and output of the generator are achieved The effects of stable voltage and high power density.

CN222147443UActive Publication Date: 2024-12-10李振寨
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Patent Information

Application Number
CN202420744885.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-11
Publication Date
2024-12-10
Estimated Expiration
2034-04-11

AI Technical Summary

Technical Problem

The 50Hz twelve-phase rectifier generator has a large volume, high manufacturing difficulty, difficult heat dissipation, low power density, large voltage pulsation, and poor dynamic response performance, which reduces the reliability and practicality of the generator.

Method used

By increasing the working frequency of the intermediate frequency medium voltage twelve-phase rectifier power generation system, the intermediate frequency three-phase permanent magnet secondary exciter, the intermediate frequency three-phase main exciter, the intermediate frequency three-phase rotary rectifier, the intermediate frequency medium voltage twelve-phase rectifier and the intermediate frequency medium medium frequency medium Press the twenty-four pulse rectifier, change the pole pairs of the stator winding and rotor winding, increase the operating frequency of the generator, thereby reducing the volume and weight of the generator, and adjusting the output voltage through an automatic excitation regulator.

Benefits of technology

The generator volume and weight are reduced, the output voltage stability and power density are improved, and the dynamic response performance is improved, which reduces the impact of operating noise and load fluctuations on the generator, making the generator output more stable.

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Abstract

The utility model discloses an intermediate-frequency medium-voltage twelve-phase rectification power generation system, which comprises an intermediate-frequency three-phase permanent magnet auxiliary exciter, an intermediate-frequency three-phase main exciter, an intermediate-frequency three-phase rotating rectifier, an intermediate-frequency medium-voltage twelve-phase rectification generator, an intermediate-frequency medium-voltage twenty-four pulse wave rectifier and a load, the intermediate-frequency three-phase permanent magnet auxiliary exciter comprises a first shell, a first stator winding and a first permanent magnet rotor, the first stator winding and the first permanent magnet rotor are arranged in the first shell, and the intermediate-frequency three-phase main exciter comprises a second shell, a second stator winding and a second rotor winding, the intermediate-frequency medium-voltage twelve-phase rectification generator comprises a third shell, a third rotor winding and a third stator winding, wherein the third rotor winding and the third stator winding are arranged in the third shell. The intermediate-frequency medium-voltage twelve-phase rectification power generation system has the advantages of light weight, small occupied space, efficient output, stable voltage and fast dynamic response.
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