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Speed regulating system of switch reluctance machine

A technology for switched reluctance motors and speed control systems, applied in control systems, AC motor controls, electrical components, etc. Low system operating efficiency and other problems, to achieve the effect of improving operating efficiency, eliminating steady-state error, and suppressing torque ripple

Active Publication Date: 2017-08-18
华源(浙江)动力科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional PI speed regulation controller cannot meet the speed regulation requirements of the severely nonlinear switched reluctance motor in the full speed range, so the operation efficiency of the entire control system will be low
In the commutation area, the phase current will have a large peak, and the large current peak will reduce the operating efficiency of the motor

Method used

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  • Speed regulating system of switch reluctance machine
  • Speed regulating system of switch reluctance machine
  • Speed regulating system of switch reluctance machine

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Embodiment Construction

[0038] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions protected by the present invention will be clearly and completely described below using specific embodiments and accompanying drawings. Obviously, the implementation described below Examples are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this patent.

[0039] The invention provides a switched reluctance motor speed control system, such as figure 1 As shown, it includes: fuzzy PI speed regulator 1, torque control module 2, switch logic control module 3, power converter module 4; the given speed of the direct instantaneous torque controller is used as the input terminal and the fuzzy PI speed regulator 1 The input terminal is connected, t...

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Abstract

The invention provides a speed regulating system of a switch reluctance machine. The input end of a direct instantaneous torque controller receives a given rotating speed; a state error is solved according to the input given rotating speed and a fed back actual rotating speed; a fuzzy PI rotating speed regulator performs composite control algorithm processing through fuzzy control and PI regulation; by virtue of addition of an integral item, steady-state error of the system can be eliminated effectively, and the stable operation of the whole speed regulating system can be maintained; and on the basis of the direct instantaneous torque fuzzy PI regulation and control, automatic regulation of an opening angle is added, and by constantly regulating the changing and phase commutating process of the opening angle, current peak can be restrained, thereby improving operating efficiency of the motor.

Description

technical field [0001] The invention relates to the field of switched reluctance motors, in particular to a speed regulating system of switched reluctance motors. Background technique [0002] Switched reluctance motor (SRM) has the characteristics of simple and firm structure, high reliability and low manufacturing cost. In recent years, with the aggravation of global environmental pollution and the energy crisis, as well as the rapid development of my country's economy, electric vehicles, high-speed railways, wind power and other electric traction technologies and renewable energy power generation industries have developed vigorously. The supply of resources is unstable, and new motors such as switched reluctance motors have become research hotspots all over the world. [0003] However, compared with traditional motors, the inherent double salient pole structure of switched reluctance motors, the non-linearity and switchability of magnetic circuits and circuits make the st...

Claims

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Application Information

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IPC IPC(8): H02P25/098H02P25/086H02P23/30H02P23/00H02P6/10
CPCH02P6/10H02P23/0004H02P23/0013
Inventor 孙宝江付庆文李强霍昌涛
Owner 华源(浙江)动力科技有限公司
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