Field circuit transient-transient coupling simulation method based on multi-loop method

A technology of transient coupling and simulation methods, applied in design optimization/simulation, road transportation emission reduction, special data processing applications, etc., can solve problems such as inapplicability to multiple finite element models and poor convergence performance

Active Publication Date: 2014-01-08
杭州麦科斯韦网络科技有限公司
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Problems solved by technology

[0005] In order to overcome the shortcomings of the existing motor-airfield coupling method that it cannot be applied to multiple finite element model occasions and has poor convergence performance, the present invention provides

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  • Field circuit transient-transient coupling simulation method based on multi-loop method
  • Field circuit transient-transient coupling simulation method based on multi-loop method
  • Field circuit transient-transient coupling simulation method based on multi-loop method

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] refer to Figure 1 to Figure 6 , a field-circuit transient-transient coupling simulation method based on the multi-loop method, comprising the following steps:

[0029] 1), according to the finite element model of the motor, according to the multi-loop theory, establish the multi-loop model of the motor, as follows (1) ~ (6):

[0030] u W k = R W k i W k + pψ W k · - - - ( 1 )

[0031] 0 = R B k ...

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Abstract

The invention discloses a field circuit transient-transient coupling simulation method based on the multi-loop method. The field circuit transient-transient coupling simulation method based on the multi-loop method comprises the following steps that firstly, a multi-loop model of a motor is established according to a finite element model of the motor and based on the multi-loop theory, wherein the model comprises formulas (1)-(6) shown in the specification; secondly, through calling of the finite element model, in each system simulation size, the self-inductance parameters and the mutual-inductance parameters of each winding including a damping loop are solved according to the finite element model of the electromagnetic field of the motor, then, the parameters are returned to the multi-loop model of the motor, iterative solution is conducted on the motor model and an external circuit model, and joint simulation coupled with the finite element multi-loop model in system simulation is achieved. The field circuit transient-transient coupling simulation method based on the multi-loop method is effectively suitable for an occasion with multiple finite element models and improves the convergence performance.

Description

technical field [0001] The invention relates to a field-circuit coupling method of a motor. Background technique [0002] In modern power electronic systems, the motor is one of the main power generation and power consumption equipment. In order to accurately simulate the system at various stages of design, analysis, optimization, etc., a detailed and reliable motor model must be established during the system simulation process. Because the structure and material of the motor will affect the harmonics, load, transient and other characteristics of the system, it is necessary to establish an electromagnetic field model of the motor and couple it to the system simulator for joint simulation. [0003] At present, there are two common field-circuit coupling algorithms, one is the direct coupling algorithm, which couples the circuit model to the motor finite element equation for solution, so only one motor finite element model and system circuit coupling simulation can be realize...

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Application Information

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IPC IPC(8): G06F17/50
CPCY02T10/82G06F30/15G06F30/23
Inventor 梁文毅陆天雄方卫中
Owner 杭州麦科斯韦网络科技有限公司
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