Difference frequency type high-frequency motor

A differential frequency, high-frequency current technology, used in motor control, asynchronous generator control, AC motor control, etc., can solve the problems of large consumption of coil electromagnetic materials, inconvenient installation and transportation, and high manufacturing costs, and achieve manufacturing costs. The effect of reducing, convenient power transmission, and cost reduction

Pending Publication Date: 2020-06-16
彭平高
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Motors, including generators and motors, due to historical reasons, the input of generators and motors adopts a very low frequency of 50, 60HZ, resulting in a large consumption of electromagnetic materials and high manufacturing costs for the coils inside the motor and generator, especially for The motor that outputs high-power current needs to be made very large, and the whole structure is very heavy, which makes installation and transportation very inconvenient

Method used

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  • Difference frequency type high-frequency motor
  • Difference frequency type high-frequency motor
  • Difference frequency type high-frequency motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1: When used as a high-frequency motor:

[0037] A differential frequency high-frequency motor, further comprising a high-frequency excitation generator 1, the high-frequency excitation generator 1 is connected to the rotor coil 3, and the high-frequency excitation generator 1 is input with two-phase or three-phase Low-power high-frequency current, the output high-frequency excitation current is input into the rotor coil 3, so that the rotor generates a high-speed rotating magnetic field, and a two-phase or three-phase current higher or lower than the excitation frequency is passed into the stator coil, so that the stator Generate a rotating magnetic field that rotates in the same direction as the rotor;

[0038] When the stator frequency is higher than the rotor frequency, the rotor will rotate in the same direction of the rotating magnetic field, and the rotor outputs a speed at the difference between the two frequencies, and the speed is positively correlated...

Embodiment 2

[0044] Example 2: When used as a high frequency generator:

[0045] A differential frequency high-frequency motor, further comprising a high-frequency excitation generator 1, the high-frequency excitation generator 1 is connected to the rotor coil 3, and the high-frequency excitation generator 1 is input with two-phase or three-phase Low-power high-frequency current, the output high-frequency excitation current is input into the rotor coil 3, so that the rotor generates a high-speed rotating magnetic field, and at the same time, the power source is connected to the drive shaft to provide mechanical energy for the rotor;

[0046] If the exciting rotating magnetic field is opposite to the rotor turning direction, so that the rotor coil cuts the magnetic field lines to generate current, the excitation frequency plus the rotor speed frequency is generated in the rotor coil. As long as the magnetic field of the excitation generator rotates in the same direction as the rotating magn...

Embodiment 3

[0059] Example 3: When a high-frequency generator is used in combination with a high-frequency motor:

[0060] A differential frequency high-frequency motor, further comprising a high-frequency excitation generator 1, the high-frequency excitation generator 1 is connected to the rotor coil 3, and the high-frequency excitation generator 1 is input with two-phase or three-phase Low-power high-frequency current, the output high-frequency excitation current is input into the rotor coil 3, so that the rotor generates a high-speed rotating magnetic field, and at the same time, a power source is connected to the drive shaft to provide mechanical energy for the rotor, at this time, the high-frequency motor realizes the generator function; This high-frequency generator is provided with two sets of stator windings, and the two sets of stator coils output two or more generators with different frequency potentials due to the different connection methods of the rotor coils;

[0061] The tw...

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Abstract

The invention discloses a difference frequency type high-frequency motor. The motor comprises a stator, a rotor, a stator coil, a rotor coil and a transmission shaft. The transmission shaft is positioned on the central axis of the difference frequency type high-frequency motor; and the stator, the stator coil, the rotor and the rotor coil are distributed on the outer side of the transmission shaft. The difference frequency type high-frequency motor also comprises a high-frequency excitation generator, which is connected to the rotor coil; and two-phase or three-phase low-power high-frequency current is input into the high-frequency excitation generator, and the output high-frequency excitation current is input into the rotor coil. The high-frequency input current is used, so that the manufacturing cost of the motor is greatly reduced, and the size is reduced; particularly, when the motor is used for driving an automobile or a ship, power transmission is facilitated, and speed adjustment is also facilitated; the motor is wide in application prospect; and a large amount of cost can be saved for motor manufacturers or users, energy is saved and consumption is reduced, and good economic benefits and social benefits can be achieved.

Description

technical field [0001] The invention belongs to the technical field of high-frequency motors, and in particular relates to a differential frequency type high-frequency motor. Background technique [0002] Motors, including generators and motors, due to historical reasons, the input of generators and motors uses low-frequency power frequencies of 50 and 60HZ, resulting in high consumption of electromagnetic materials for coils inside motors and generators, and high manufacturing costs, especially for the purpose of A motor that outputs high-power current needs to be made very large in size, and the entire structure is very cumbersome, resulting in inconvenient installation and transportation. Therefore, how to develop a small-sized motor that can output high power has become the research direction of those skilled in the art. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a differential frequency high-frequency motor. The differential ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K17/00H02P27/00H02P9/14H02P103/10
CPCH02K17/00H02P9/14H02P27/00H02P2103/10H02P2207/01
Inventor 彭平高
Owner 彭平高
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