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A Switched Reluctance Generator System Realizing Fast Excitation/Demagnetization

A switched reluctance and fast excitation technology, which is applied to control the direction of the generator through the change of the magnetic field, can solve the problems that are not conducive to the control of the switched reluctance generator and effective power generation, cannot be independently adjusted, and cannot reach the rated power of the motor. , to achieve the effect of increasing the time, reducing the excitation time and increasing the output power

Inactive Publication Date: 2016-04-06
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the asymmetrical half-bridge power converter, the voltage values ​​in the excitation phase and the power generation phase are the same, and cannot be independently adjusted, which is not conducive to the control of the switched reluctance generator and effective power generation, resulting in low motor speed. The output power is low and cannot reach the rated power of the motor

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  • A Switched Reluctance Generator System Realizing Fast Excitation/Demagnetization
  • A Switched Reluctance Generator System Realizing Fast Excitation/Demagnetization
  • A Switched Reluctance Generator System Realizing Fast Excitation/Demagnetization

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Embodiment Construction

[0022]Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0023] The following examples are used to illustrate the present invention, but are not intended to limit the scope of application of the present invention.

[0024] A switched reluctance generator system that realizes fast excitation / demagnetization proposed by the present invention, such as figure 1 As shown, it includes a switched reluctance motor body, a prime mover, a position sensor, a power converter, a DC power supply and a controller; the switched reluctance generator is the electromechanical energy conversion core of the entire engine system, converting mechanical energy into electrical energy, Its operation follows the principle of minimum reluctance; the power converter is the energy input and output channel of the system, and the power converter is a four-level power converter; the position encoder is used to provide position informa...

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Abstract

The invention discloses a switch magnetic resistance generator system capable of realizing rapid excitation / demagnetization. The system comprises a switch magnetic resistance motor body, a prime mover, a position sensor, a power converter, a DC power supply and a controller, wherein the power converter is a four-level power converter. By adopting the four-level power converter, at an excitation stage, in an angle position control mode, the exciter current of a phase winding is increased, and the energy storage of a magnetic field is increased so that the output power of an overall power generation system is improved and it is easier for the power generation system to reach a rated power; in an current chopping control mode, the excitation time is reduced, rapid excitation is realized, and the time of a generating stage is increased so that the generating capacity of a motor is enhanced and the output power of the system is increased; and at the generating system, when two voltage sources are utilized, rapid demagnetization can be realized.

Description

technical field [0001] The invention belongs to the technical field of drive control and power converter design of a switched reluctance generator, and particularly relates to a switched reluctance generator system for realizing fast excitation / demagnetization. Background technique [0002] Switched reluctance motor is a new type of speed-regulating motor developed by combining power electronics technology, digital control technology and traditional reluctance motor. It has simple structure, firmness, low cost, reliable operation, flexible control and high operating efficiency. High performance, low starting torque and strong fault tolerance. When the switched reluctance motor operates as a generator, it has good regulation performance, can run stably in a wide speed range, outputs constant DC, and adapts to different load requirements; due to the simple structure of the switched reluctance motor, the rotation of the rotor Small inertia and low starting torque make it possi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P9/36H02P9/30
Inventor 李珍国高东东
Owner YANSHAN UNIV
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