FOC技术详解.pdf

发布时间：2022-05-29 发布人：admin 分类：说明书资料大小：0.78M 资料格式：pdf 举报版权申诉

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1. Clarke Transformation (3s2s) Implements the following equations: I α I β = = I a 2( I b + I a 3/) This transformation converts balanced three phase quantities into balanced two phase quadrature quantities as shown in figure below: βI αI αI βI The instantaneous input and the output quantities are defined by the following equations: sin sin( sin( t ω t πω t πω )3/2 )3/2 + − sin sin( t ω t πω + )2/ I I I a b c = = = I I I I α I β = = I I

2. Park Transformation (2s2r) Implements the following equations: I I d q I = α I −= α I cos θ + sin θ + sin θ cos θ β I β This transformation converts vectors in 2-phase orthogonal stationary system into the rotating reference frame as shown in figure below: βI β αI q βI qI d dI αI βI αI α 3. β Inverse Park Transformation (2r2s) Implements the following equations: I α I − θ θ + cos sin sin cos θ θ = = I I I I d d q q This transformation projects vectors in orthogonal rotating reference frame into two phase orthogonal stationary frame. q β βI qI qI dI qI dI dIαI d α

4. Space Vector Modulation

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