Fig. 1 shows the system configuration of a modular three-phase ac to dc converter using SEPIC rectifier modules based on power balance control technique. The power circuit is formed by an input-side delta-conne
U. Kamnarn and V. Chunkag, "Analysis and design of a modular three-phase ac-to-dc converter using cuk rectifier module with nearly unity power factor and fast dynamic response," IEEE Trans. Power Electron., Vol. 24, No. 8, pp. 2000-2012, Aug. 2009....
1. A drive control circuit of a three-phase brushless motor, comprising: means which generates a pulse signal, based on a detected signal of rotational position detecting means detecting each rotational position of the three-phase brushless motor to thereby control an inverter circuit which drives ...
Stator Current Space Vector in the Stationary Reference Frame The projection that modifies the 3-phase system into the (α, β) 2-dimension orthogonal system is presented in Equation 4. isα = ia isβ = 1 3 ia + 2 3 ib (4) The two phase (α, β) currents are still dependent on ...
The present invention aims to first start the rotation of a rotor according to a first sequence for causing currents to flow in armature windings of three phases U, V and W upon startup of a three-phase brushless motor to thereby reduce an inrush current
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