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Low temperature rise excitation electric generator and low temperature rise excitation electric motor

A generator, low temperature technology, applied in the direction of electrical components, electromechanical devices, magnetic circuit static parts, etc., can solve the problems of generators and motors, such as heating, to reduce failures, reduce energy loss, and improve efficiency.

Inactive Publication Date: 2016-12-21
刘宝生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, during the rotation of the rotor of the existing motors and generators, there is a phase difference between the coils, and there is a delay between adjacent coils, which causes the generators and motors to generate heat.

Method used

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  • Low temperature rise excitation electric generator and low temperature rise excitation electric motor
  • Low temperature rise excitation electric generator and low temperature rise excitation electric motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] like figure 1 As shown, a low-temperature excitation generator described in this embodiment includes a rotor and a stator, and the stator includes three windings 1, each winding 1 is composed of four composite coils 2 in parallel, and the adjacent composite coils 2 are connected in parallel. The coils in the composite coil 2 are connected in the same direction from the end to the end, and the coils in the three windings 1 are connected in the same way; between the three windings 1 One of the corresponding parallel lines is connected at 120°, and the other parallel line is used as three output ends; the above-mentioned rotor is the existing rotor of the generator.

[0014] In order to achieve the rated output voltage and output current, the wire diameter of the composite coil 2 in the winding 1 is 1 / 4 of the existing standard, and the number of turns of each composite coil 2 is 4 times the existing standard; the above standard is the rated voltage The wire diameter and ...

Embodiment 2

[0016] like figure 2 As shown in the figure, a low-temperature lift excitation motor described in this embodiment includes a rotor and a stator, and is characterized in that: the stator includes three windings 1, and each winding 1 is composed of four composite coils 2 in parallel, and adjacent composite coils 2 are formed in parallel. The coils 2 are connected in reverse from end to end, wherein each composite coil 2 is a coil, and the connection method of the coils in the three windings 1 is the same; the three windings 1 are connected at 120° through one of the corresponding parallel lines, and the other A parallel line serves as the three input terminals; the above-mentioned rotor is the existing rotor of the motor.

[0017] In order to achieve the rated input voltage and output power, the wire diameter of the composite coil 2 in the winding 1 is 1 / 4 of the existing standard, and the number of turns of each composite coil 2 is 4 times that of the existing standard. The a...

Embodiment 3

[0019] A low-temperature lift excitation motor described in this embodiment has a rated power of 180W, runs at full load for 3.5 hours, the measured temperature is 54°C, and the ambient temperature is 28°C. It can be seen that the low temperature rise excitation motor of the present invention can effectively reduce the generation of heat.

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Abstract

The invention relates to the technical field of electric motors and electric generators and specifically relates to an electric motor. According to one embodiment of the invention, the electric motor comprises a rotor and a stator, wherein the stator comprises three windings, each winding is formed by connecting 2N composite wire coils in parallel, neighboring composite wire coils are connected in such a way that heads and tails are connected in opposite directions, each composite wire coil is formed by connecting one or more wire coils in parallel, the wire coils in each composite wire coil are connected in such a way that heads and tails are connected in the same direction, the wire coils in the three windings are the same in connection mode. According to another embodiment of the invention, the electric motor comprises the rotor and the stator, wherein the stator comprises three windings, each winding is formed by connecting the 2N composite wire coils in parallel, the neighboring composite wire coils are connected in such a way that heads and tails are connected in opposite directions, each composite wire coil is one wire coil, the wire coils in the three windings are the same in connection mode. Via the low temperature rise excitation electric generator and the low temperature rise excitation electric motor that are obtained in the invention, a problem that all wire coils in the windings are different in phase position can be overcome, and therefore a problem of great heat generated by the electric generator and the electric motor can be solved and small temperature rises can be enabled.

Description

technical field [0001] The invention relates to the technical field of electric motors and generators, in particular to a low-temperature rise excitation generator and a low-temperature rise excitation motor. Background technique [0002] The stators of the existing generators and motors all include three windings, each winding is composed of an even number of coils connected in series, and adjacent coils are connected in a staggered manner. Therefore, during the rotor rotation process of the existing motors and generators, there is a phase difference between each coil and a delay between adjacent coils, which causes the generator and the motor to generate heat. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a low temperature rise excitation generator and a low temperature rise excitation motor with a simple structure, which can effectively reduce the heat generated by the motor and the generator during operation, in order to solve the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/12H02K3/28
CPCH02K3/28H02K1/12H02K2213/03
Inventor 刘宝生
Owner 刘宝生
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