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Salient pole type offshore wind turbine parameter optimization method based on high-temperature superconducting magnet exciting coil

A technology of excitation coil and high temperature superconductivity, which is applied in electromechanical devices, wind power generation, electrical digital data processing, etc., can solve problems such as imperfect design methods, and achieve the effect of performance optimization and improvement

Inactive Publication Date: 2016-12-07
HENAN POLYTECHNIC UNIV
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Problems solved by technology

[0005] In summary, considering that the current parameter design method of offshore superconducting wind turbines is not perfect, a new parameter optimization method for offshore superconducting wind turbines is needed to solve the above problems

Method used

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  • Salient pole type offshore wind turbine parameter optimization method based on high-temperature superconducting magnet exciting coil
  • Salient pole type offshore wind turbine parameter optimization method based on high-temperature superconducting magnet exciting coil
  • Salient pole type offshore wind turbine parameter optimization method based on high-temperature superconducting magnet exciting coil

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Embodiment Construction

[0026] figure 1 It is a cross-sectional view of a salient-pole offshore fan based on high-temperature superconducting excitation coils according to the present invention. The motor mainly includes a stator core, copper armature windings, rotor salient poles, high-temperature superconducting coils, a rotor yoke and a rotating shaft. Among them, the high-temperature superconducting coil is wound on the salient pole in an oval shape, and the copper armature winding is embedded in the slot of the stator core.

[0027] figure 2 The method for optimizing the parameters of the salient-pole offshore wind turbine based on the high-temperature superconducting excitation coil of the present invention specifically includes the following steps:

[0028] Step 1: Set the basic parameters of the motor, including rated output power, terminal voltage, power factor, speed, number of pole pairs, operating temperature, average air gap length of stator inner diameter, pole pitch of stator inner d...

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Abstract

The invention discloses a salient pole type offshore wind turbine parameter optimization method based on a high-temperature superconducting magnet exciting coil. A rotor of a motor is a salient pole; the magnet exciting coil adopts a high-temperature superconducting material; and the weight, loss and efficiency analysis of the motor are completed by setting of basic parameters of the motor, armature winding parameters, magnetic flux density, stator iron core parameters, wind turbine armature winding structure, high-temperature superconducting magnet exciting coil parameters, armature magnetic leakage and reverse magnetic potential under a load condition, three-dimensional magnetic field analysis and the like. According to the method, the salient pole type offshore wind turbine parameter optimization method can be carried out automatically according to computational formulas to realize optimization of the weight, the efficiency, the high-temperature superconducting material length and other parameters of the offshore wind turbine; and meanwhile, two closed loop feedback circuits of a magnetic field leakage inductance coefficient and a running current are included in the optimization process, so that the method plays a key role in improvement of the optimization of the motor performance.

Description

technical field [0001] The invention belongs to the technical field of high-temperature superconducting motors, and in particular relates to a parameter optimization method of a salient-pole offshore fan based on high-temperature superconducting excitation coils. Background technique [0002] With the rapid growth of wind power installed capacity, the demand for large-capacity and high-efficiency wind power generators will become higher and higher. However, due to the weight and volume of traditional large wind turbines with a capacity of more than 10MW, their application in actual engineering becomes very complicated, especially in harsh offshore environments. [0003] The low or even zero resistance of high-temperature superconducting materials can effectively improve power generation efficiency. Theoretically speaking, for a generator with the same capacity, the weight of a high-temperature superconducting generator can be reduced to 1 / 2-1 / 3 of a conventional motor, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/00G06F17/50
CPCG06F30/17G06F30/367H02K15/00Y02E10/72
Inventor 韦延方郑征邹瑾王晓卫许孝卓张天洋肖记军
Owner HENAN POLYTECHNIC UNIV
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