High-Frequency Resonance Magnetoelectric Effect in the FeCoSiB–AlN Structure on a Dielectric Substrate

2021 ◽  
Author(s):  
D. A. Burdin ◽  
P. Hayes ◽  
N. A. Ekonomov ◽  
D. V. Chashin ◽  
Yu. K. Fetisov
Keyword(s):  
High Frequency ◽  
Magnetoelectric Effect ◽  
Dielectric Substrate ◽  
Frequency Resonance ◽  
High Frequency Resonance

scholarly journals High Frequency Resonance Damping Method for Voltage Source Converter Based on Voltage Feedforward Control

Energies ◽  
2020 ◽  
Vol 13 (7) ◽  
pp. 1591
Author(s):  
Bo Pang ◽  
Feng Li ◽  
Hui Dai ◽  
Heng Nian
Keyword(s):  
High Frequency ◽  
Feedforward Control ◽  
Frequency Component ◽  
Voltage Source ◽  
High Frequency Component ◽  
Voltage Source Converter ◽  
Frequency Resonance ◽  
Significant High Frequency ◽  
Resonance Damping ◽  
High Frequency Resonance

High frequency resonance (HFR) is a subsistent problem which affects the operation of the voltage source converter (VSC) connected to the parallel compensated grid. The appearance of HFR introduces a significant high frequency component in the grid voltage, thereby the operation of VSC system will be seriously affected. For enhancing the operation capability of VSC system, an HFR damping method based on the voltage feedforward control is proposed in this paper, which can reshape the VSC system impedance effectively in a wideband range. Besides, different with the existing HFR damping methods, the proposed method introduces a correction factor instead of the series virtual impedance with fixed value, so that the effect of impedance reshaping is irrelevant to the parameters of controlled object. In addition, this paper analyzes the fundamental control performance of VSC system after equipping the proposed method, for verifying that the proposed method will not worsen the fundamental control. Experimental results are given to validate the effectiveness of the proposed damping method.

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