Instantaneous active and reactive current control
2016-08-23
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In this paper, the synthesis and performance of a shunt active power filter (SAPF) based on instantaneous
active, and reactive current components (idiq) technique is presented. The proposed active filter acts as a
current source, which is connected in parallel with a nonlinear load and controlled to generate the required
compensation currents. The proposed control technique for SAPF aims to compensate the harmonic current
contents of nonlinear loads by connection of distributed generation (DG) resources based on renewable
energy sources to distribution network. This modeling is derived from the 123(abc) to ab and ab to dq
transformation of the ac system variables. The injected currents by the SAPF to polluted grid are controlled
in synchronous orthogonal dq reference frame by using of decoupled current control technique. By use of
phase locked loop (PLL) in control circuit of proposed technique, the angle of positive sequence has been
detec
active, and reactive current components (idiq) technique is presented. The proposed active filter acts as a
current source, which is connected in parallel with a nonlinear load and controlled to generate the required
compensation currents. The proposed control technique for SAPF aims to compensate the harmonic current
contents of nonlinear loads by connection of distributed generation (DG) resources based on renewable
energy sources to distribution network. This modeling is derived from the 123(abc) to ab and ab to dq
transformation of the ac system variables. The injected currents by the SAPF to polluted grid are controlled
in synchronous orthogonal dq reference frame by using of decoupled current control technique. By use of
phase locked loop (PLL) in control circuit of proposed technique, the angle of positive sequence has been
detec
滤波器
逆变器
控制
NPC
电力
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电流
三电
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