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Maximum power extraction and DC-Bus voltage regulation in grid …
Equation demonstrates that the nominal DC-Bus voltage and voltage ripple have an inverse relationship with the capacitance of the DC-Bus capacitor. As a result, a …
A Control Strategy for Suppressing Submodule Capacitor Voltage ...
Capacitor Voltage Fluctuation of MMC Based on Circulating Current Voltage Drop Balance . Zhen Yang. 1, Kuo Zhang. 1, Xin Li. 1 ... are the DC bus voltage and current, respectively. The AC …
Effect of Balanced and Unbalanced Voltage Fluctuation on DC bus ...
This paper (a) analyses the effect of sinusoidal balanced fluctuation on dc bus capacitor with inductor placed either in dc-link or ac side, (b) derives an analytical expression to calculate the …
Effect of Balanced and Unbalanced Voltage Fluctuation on DC bus …
This paper (a) analyses the effect of sinusoidal balanced fluctuation on dc bus capacitor with inductor placed either in dc-link or ac side, (b) derives an analytical expression to calculate the …
A novel capacitor voltage fluctuation suppression method for …
In order to suppress the low-frequency voltage fluctuation of the MMC sub-module capacitors, this paper proposes a charge channel topology including in-phase and …
(PDF) Research on SCESS-DFIG DC Bus Voltage Fluctuation …
Research on SCESS-DFIG DC Bus Voltage Fluctuation Suppression Strategy for Frequency Inertia Regulation of Power Grid. ... 2.5s, the DC bus voltage of super capacitor will …
Design Method of DC Bus Capacitor for Two-Stage AC/DC Converter
In this paper, a design method of DC bus capacitors based on high ripple operation is proposed, and the theoretical limit of DC bus voltage ripple is analyzed. On the …
A Control Strategy for Suppressing Submodule Capacitor Voltage ...
The simulation model is built to compare three control strategies for suppressing submodule capacitor voltage fluctuation under the step changes of DC bus voltage and active …
A SVPWM algorithm based on four-switch three-phase inverter
Conversely, the asymmetry of the three-phase current will further cause the fluctuation of the bus voltage, which affects the inverter output more remarkably . The bias of …
DC‐link capacitor voltage balance strategy of independent …
First, the traditional method of voltage balance strategy based on redundant vectors is described, and the key factors leading to the DC-link capacitor voltage fluctuation is …
DC‐link voltage control strategy for reducing capacitance and …
Given the DC power step from 80 to 500 W, the bus voltage varies from to .With the proposed multi-bus reference control method, the maximum voltage of the bus capacitor is …
Design Method of DC Bus Capacitor for Two-Stage AC/DC …
In this paper, a design method of DC bus capacitors based on high ripple operation is proposed, and the theoretical limit of DC bus voltage ripple is analyzed. On the …
An optimized bidirectional buck–boost converter for DC bus …
In order to verify that the proposed structure can effectively reduce the fluctuation of bus voltage, the bus voltage stabilizing capacitance is 110 mF (C 1 + C 0) without the …
Maximum power extraction and DC-Bus voltage regulation in …
Equation demonstrates that the nominal DC-Bus voltage and voltage ripple have an inverse relationship with the capacitance of the DC-Bus capacitor. As a result, a …
The Research on Bus Voltage Stabilization Control of Off-Grid ...
Currently, the fluctuations of DC bus voltage triggered by the mismatch between output power and load power of photovoltaic DC Microgrid are mainly compensated through …
An optimized bidirectional buck–boost converter for DC bus voltage ...
In order to verify that the proposed structure can effectively reduce the fluctuation of bus voltage, the bus voltage stabilizing capacitance is 110 mF (C 1 + C 0) without the …
DC-Link Voltage Fluctuation Reduction of Vector ...
DOI: 10.1109/ITOEC.2018.8740730 Corpus ID: 195223844; DC-Link Voltage Fluctuation Reduction of Vector Controlled PMSM Drives with Reduced DC-Link Capacitor …
Research on Key Influence Factors of Independent Double
In this paper, the key factors of DC-link capacitor voltage fluctuation of the independent double three-phase common bus five-level NPC/H bridge inverter is studied. The …
A novel capacitor voltage fluctuation suppression method for the …
In order to suppress the low-frequency voltage fluctuation of the MMC sub-module capacitors, this paper proposes a charge channel topology including in-phase and …
DC‐link capacitor voltage balance strategy of …
First, the traditional method of voltage balance strategy based on redundant vectors is described, and the key factors leading to the DC-link capacitor voltage fluctuation is analysed in detail. Second, the objective …
Research on SCESS-DFIG DC Bus Voltage Fluctuation ...
In this article, when SCESS-DFIG is participating in frequency regulation, DC bus voltage fluctuation caused by power imbalance of multiple converters is studied. The …
Improved DC Bus Voltage Control of Single-Phase Grid-Connected Voltage …
capacitors are used to limit the DC bus voltage fluctuation, which increase the converter physical volume. ... the oscillating power from the grid is mostly absorbed by the DC bus capacitor and …
A fast adaptive bus voltage regulation strategy for supercapacitor ...
Filter capacitor C f: 60 ... The bus voltage fluctuation of the proposed method is compared with the adaptive PI control method. As shown in Figure 13(a), EPA US06 driving …
The Research on Bus Voltage Stabilization Control of Off-Grid ...
The experiments in Figure 17 show that adopting the control strategies of power inner ring and the DC bus capacitors energy outer loop can effectively improve the voltage …
Active zero-sequence voltage injection modulation strategy for ...
The DC-bus voltage is generated by a DC power supply. The transistors are Infineon FF450R12ME4. The output voltages of the phase u 1 and u 2 are measured by two …
Fast bus voltage detection method for single-phase power …
This study proposes a rapid voltage transient detection method based on reduced-order generalized integrator (ROGI) aimed at improving the response speed of bus …