Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Switched reluctance motor starting methods

An electric motor, reluctance motor technology, applied in the direction of a single reluctance motor starter, motor control, motor generator/starter, etc., can solve the problems of unacceptable, long duration of the first step, etc.

Inactive Publication Date: 2017-02-22
VALEO AIR MANAGEMENT UK
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] However, the known described methods above have the disadvantage that the duration of the first step may be unacceptably long

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Switched reluctance motor starting methods
  • Switched reluctance motor starting methods
  • Switched reluctance motor starting methods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0077] Figure 12 The flowchart of shows an example method of starting a switched reluctance motor as Figures 9 to 11 As shown, the stages of rotation of the switched reluctance motor are demonstrated. The motor in this example is similar to that of Figures 1 to 8, with six stator poles and four rotor poles (similarly labeled ABCA'B'C' and UVU'V'). (ABCA'B'C' likewise denote poles and individual coils of poles). It operates a motor control circuit similar to Figure 5 motor control circuit, except for the control circuit 10'( Figure 13 ) are arranged to control the switches 21 to 26 to turn on and off the coils of the motor as described in this example. In order to do this, a start-up controller 50 is provided (preferably implemented with additional programming in a microcontroller).

[0078] The rotor starts at any position, where the rotor may be stationary or slowly moving, such as Figure 9 as shown ( Figure 12 In step 101), all coils are turned off. In such a p...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

An improved method of starting a switched reluctance motor uses two neighbouring pairs of coils, both energised, to bring the rotor to its initial position. Then one of pairs of coils is turned off and the rotor is attracted by the other pair of coils to give it an initial rotational speed. An intermediate stage uses just one pair of coils of the motor to bring it up to operational speeds, after which the normal cycling of all the coils can be used.

Description

technical field [0001] The present invention relates to switched reluctance motors, and in particular to methods of starting such motors. Background technique [0002] exist Figure 1A , 1B and 2 to 4 show typical switched reluctance motors. This example has a combination of six, preferably evenly spaced poles 2 on the stator 1 and four, preferably evenly spaced poles 3 on the rotor 4 . In this example, the poles of the stator protrude inwardly from a stator ring 5 which provides a path for low reluctance material between the stator poles. [0003] The rotor is formed from a cross-shaped stack of laminations and is formed from a low reluctance material. Thus, for reasons that will become apparent, each rotor pole is connected to the diametrically opposed rotor pole by a low reluctance path. Thus, as marked, pole U is connected to pole U' by a low reluctance path, and pole V is connected to V' by a low reluctance path. [0004] Each pole of the stator is wound with a coi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02P1/46H02P25/08H02P1/16
CPCH02P1/163H02P1/46H02P25/0925H02P25/08H02P2203/05H02P6/17
Inventor 卡迈勒·布亚拉加多米尼克·杜普伊斯
Owner VALEO AIR MANAGEMENT UK
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com