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A harmonic current bypass control link is then used to adjust the inverter''s voltage signal to reduce the total harmonic distortion of the microgrid. Finally, a simulation …
Moreover, a flowchart is proposed for applying harmonic mitigation methods in microgrids. The simulation results for two case studies are used to show the effectiveness of the proposed …
Using theory of instantaneous reactive power, this paper proposes a harmonic detection method which adaptively changes the integration time following detection current changing and improves detection accuracy …
Table 4 reports the corresponding grid current harmonic obtained from the simulation in comparison with calculated, for the cases of R c =0.7, 1.1 and 2.2 Ω. As can be …
In parallel active power filter (PAPF) harmonic current detection methods of unified power quality conditioner (UPQC), the traditional ip − iq detection method has the …
Simulation results are presented to demonstrate the proposed method in ... to improve the microgrid''s power quality. The harmonic power -sharing methods among the DGs using the …
The traditional ip-iq harmonic detection method is also limited by the low-pass filter (LPF), whose cutoff frequency will seriously affect the response speed and stability of the system. Therefore, scholars have proposed to utilize better methods to improve or replace the low-pass filter [19, 20, 21].
The proposed simulation framework provides a valuable tool for designing and optimizing HMGs to mitigate harmonic propagation and improve PQ. The findings highlight the importance of …
Download Citation | On Oct 22, 2021, Jiarui Xie and others published Research on Harmonic Dynamic Interaction Analysis and Suppression Methods of Microgrid | Find, read and cite all …
A new harmonic detecting scheme based on the algorithm of BP neural network is presented, which does not need to calculate all the harmonics, and its detecting accuracy is close to …
Based on the traditional ip-iq harmonic detection theory, the accuracy of harmonic detection is easily affected by the phase-locked loop (PLL) output phase error, and the single …
The simulation results show that regarding the speed of the harmonic detection algorithm, using the ip - iq harmonic detection method, the detected active and reactive currents reach a steady state at 0.06 s, and there is a certain overshoot.
Pointed out its advantages relative to traditional active filters, and in view of the current harmonic detection problems, In this paper, the inverter adopts an improved ip-iq …
As a result of the asymmetry of three-phase voltage, phase shift and amplitude change will lead to the detection error of harmonic current become more significant or even failure. Therefore, the improved detection algorithm can shorten the detection time and improve the accuracy of harmonic current detection.
The G − Q droop dampens the harmonic resonances and distributes the harmonic filtering among the inverters. The authors of [22] use a droop gain for all the …
Figure 1 indicates that there are multiple loads, the renewable in the form Fig. 1 Microgrid model Modeling and Simulation of Microgrid with P-Q Control … 531 Fig. 2 Model of microgrid of …
Microgrids (MGs) are a solution to integrate the distributed energy resources (DERs) in the distribution network. MG simulations require models representing DERs, …
Request PDF | Modeling and Simulation Analysis of Shunt Active Filter for Harmonic Mitigation in Islanded Microgrid | The Microgrid is a combination of the distributed …
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