Circular flux trajectory control device and method based on regular dodecagon
A regular dodecagon and trajectory control technology, applied in the field of electrical transmission, can solve problems such as complex vector algorithms, many vector control links, and slow response speed of three-phase permanent magnet motors, and achieve the goal of simple control process and improved response speed Effect
Active Publication Date: 2020-07-28
SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE
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Problems solved by technology
[0004] In the above-mentioned flux trajectory control process, there are many vector control links and the vector algorithm is complex, resulting in slow response speed of the three-phase permanent magnet motor
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[0032] figure 1 A schematic diagram of the structure of a regular dodecagon-based circular flux linkage trajectory control device provided by an embodiment of the present invention. Such as figure 1 As shown, the circular flux trajectory control device based on a regular dodecagon provided by the embodiment of the present invention includes: a vehicle-mounted power battery 1, an auxiliary power supply 2, a main controller 3, a drive circuit 4, and a three-phase permanent magnet synchronous motor 5 , the power tube unit 6, the first relay S1, the second relay S2 and the third relay S3, wherein, the vehicle-mounted power battery 1 is divided into two parts and connected in series, that is, the vehicle-mounted power battery 1 includes a first segment and a second segment, The negative pole of the first section is connected to the positive pole of the second section, the first section is connected in series with the second section, and the voltage between the first section and th...
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The invention provides a regular dodecagon-based circular flux linkage track control apparatus and method. The apparatus comprises a vehicle-mounted power battery, an auxiliary power supply, a main controller, a driving circuit, a three-phase permanent magnet synchronous motor, a power tube unit, a first relay, a second relay and a third relay. By controlling each switching tube included in the power tube unit through the main controller, the circular flux linkage track control of the three-phase permanent magnet synchronous motor is realized; and in the control process, by controlling each switching tube included in the power tube unit directly, the flux linkage track control of the three-phase permanent magnet synchronous motor is realized, without requiring complex vector conversion and other links, so that the control process is simple, and the response speed of the three-phase permanent magnet synchronous motor is improved.
Description
technical field [0001] The invention relates to electric transmission technology, in particular to a circular flux linkage track control device and method based on a regular dodecagon. Background technique [0002] With the deepening of the awareness of environmental protection, electric vehicles with the characteristics of zero emission, no pollution, and high energy utilization are more and more favored by consumers. As the power source of electric vehicles, three-phase permanent magnet synchronous motor is one of the important accessories of electric vehicles. [0003] At present, the three-phase windings of the three-phase permanent magnet synchronous motor are respectively connected to the power supply through two switching tubes. In the flux trajectory control process, the voltage space vector control method is used to control the flux trajectory through vector coordinate transformation, current loop control, output coordinate change and other links. [0004] In the ...
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IPC IPC(8): H02P21/28
Inventor 张陈斌孙江明林利肖欣徐冲付毅博杨士宝刘正辉
Owner SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE