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DC power generation system for two-channel output electric excitation dual protrusion pole motor

A technology of electric excitation double salient pole and power generation system, which is applied in the direction of controlling the generator, control system, and controlling the generator through the change of the magnetic field, which can solve the problems of reducing reliability, increasing system cost and complexity, and expanding the scope of application Effect

Inactive Publication Date: 2009-08-05
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the switched reluctance motor works as a generator, a position sensor and a multi-tube active power converter are required for excitation control and power output, which increases the cost and complexity of the system and reduces reliability

Method used

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  • DC power generation system for two-channel output electric excitation dual protrusion pole motor
  • DC power generation system for two-channel output electric excitation dual protrusion pole motor
  • DC power generation system for two-channel output electric excitation dual protrusion pole motor

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Embodiment Construction

[0023] Due to the different number of poles, different phases and different winding configurations, the multi-output electric excitation double salient motor DC power generation system is similar to the 3-phase 12 / 8 structure multi-output electric excitation double salient motor DC power generation system. The following is 3 phase A 12 / 8 structure multi-output electrically excited double salient pole motor is used to illustrate the specific implementation.

[0024] The electric excitation double salient pole motor DC power generation system with two or more multiple outputs of the present invention involves a 3-phase 12 / 8 structure electric excitation double salient pole motor such as figure 1 shown. Excitation current i f It flows in from the positive end of the excitation winding and flows out from the negative end of the excitation winding to form an excitation magnetic field. When the rotor rotates relative to the stator, an electric potential is induced in the windings....

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Abstract

The utility model relates to a two-way output electric excitation doubly salient motor DC power generation system, which belongs to a special power generation system. The electric excitation double salient pole motor of the DC power generation system has more than two sets of three-phase stator armature windings in the same phase, which are output by half-wave rectification or full-wave rectification or half-wave and Full wave combined rectified output. The maximum power output circuit stabilizes its output voltage by adjusting the excitation, and the other circuits realize stable output voltage through single-tube or multi-tube parallel power conversion, no external inductor is needed, and the circuit is simple. The electric excitation double salient pole motor of the present invention is characterized by multiple outputs, which can be mutually backed up, realize redundant power supply, have high reliability, and expand the application range of the double salient pole motor.

Description

1. Technical field [0001] The invention relates to a two-way or multi-way output electric excitation double salient pole motor DC power generation system, which belongs to a special power generation system. 2. Technical background [0002] In many applications, in order to meet the requirements of different voltage levels or redundancy, a power generation system with multiple outputs is required. [0003] The stator and rotor of the switched reluctance motor and the doubly salient pole motor are salient pole structures, both of which belong to the variable reluctance motor, and both have the advantages of simple structure, low price and high reliability. Since the stator windings of switched reluctance motors and doubly salient pole motors are concentrated windings, generators are easy to form multiple outputs. When the switched reluctance motor works as a generator, a position sensor and a multi-tube active power converter are required for excitation control and power outp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P9/30H02P9/48H02M7/04
Inventor 王慧贞朱德明丘鑫孟小利严仰光
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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