Virtual capacitor
Virtual Capacitor Control: Mitigation of DC Voltage Fluctuations
This paper proposes a novel control strategy, called virtual capacitor control, which enables the utilization of the energy storage capability of the MMC to attenuate voltage fluctuations of
A consensus based adaptive virtual capacitor control strategy for
In this paper, an adaptive virtual capacitor control strategy (AVSSC) based on consensus is proposed to solve this problem. The strategy ensures the accurate sharing of
The Virtual Infinite Capacitor
Abstract— We define the virtual infinite capacitor (VIC) as a nonlinear capacitor that has the property that for an interval of the charge Q (the operating range), the voltage V remains
Virtual Capacitor Concept for Effective Real-Time MMC Simulations
In this paper, the real-time simulation model of the modular multilevel converter was split into several independent parts through the use of the virtual capacitor concept. As a
A consensus based adaptive virtual capacitor control strategy for
Furthermore, parallel virtual capacitors are used to improve reactive power sharing and series capacitors are used to compensate the bus voltage in [27]. However, the
Virtual capacitor based DBVC and active damping method for
An idea by combining virtual capacitor (VC) based active damping control (ADC) method with DC bus voltage conditioner (DBVC) technique for load converter is proposed in this paper.
Design and small-signal stability analysis of a virtual-capacitor
Inspired by the operation concept of classical generators and VSM techniques, in this paper an autonomous virtual-capacitor control is designed for dc micro-grids, which
Virtual Capacitor Concept for Partitioning of Large Converter
In this paper, the real-time simulation model of the modular multilevel matrix converter was split into three independent instances using the concept of virtual capacitance. In doing so, the
(PDF) The virtual infinite capacitor
We define the virtual infinite capacitor (VIC) as a nonlinear capacitor that has the property that for an interval of the charge Q (the operating range), the voltage V remains constant.
Virtual Capacitor Concept for Partitioning of Large Converter
In this paper, the real-time simulation model of the modular multilevel matrix converter was split
[PDF] The virtual infinite capacitor | Semantic Scholar
The virtual infinite capacitor (VIC) is defined as a nonlinear capacitor that has the property that for an interval of the charge Q (the operating range), the voltage V remains
(PDF) Virtual Capacitor Concept for Computationally Efficient and
This paper demonstrates the splitting of the modular multilevel converter real-time simulation model into several independent parts through the use of the virtual capacitor
(PDF) The virtual infinite capacitor
We define the virtual infinite capacitor (VIC) as a nonlinear capacitor that has the property that for an interval of the charge Q (the operating range), the voltage V remains
Virtual Capacitor Control: Mitigation of DC Voltage Fluctuations in
This paper proposes a novel control strategy, called virtual capacitor control, which enables the
Design and Stability Analysis of a Virtual-Capacitor Control for
virtual-capacitor technique over classical strategies and to carry out the parametric stability analyses. 1Introduction DC and hybrid ac/dc microgrids are arising as one of the most
The Virtual Infinite Capacitor
Fig. 1. 3- 8 characteristics of a virtual infinite capacitor. A nonlinear capacitor for which 8 (as a function of 3) has a flat region, namely 𝑉 𝑄 =0 for 3∈[ 3min, 3max], will be called a virtual infinite
Virtual capacitance based control for MMC-HVDC systems
With the proposed control, the MMC can simulate a virtual capacitor with adjustable and larger capacitance capacity value to help increase the dynamic response of ac
An Improved Virtual Capacitor Algorithm for Reactive Power
An improved reactive power sharing algorithm combining virtual impedance and virtual capacitor combined with virtual synchronous generator control strategy is proposed in
Virtual Capacitor Concept for Computationally Efficient and
This paper demonstrates the splitting of the modular multilevel converter real-time simulation model into several independent parts through the use of the virtual capacitor concept.
A consensus based adaptive virtual capacitor control strategy for
In this subsection, a DDCA and an AVSSC are designed to achieve accurate reactive power sharing and bus voltage recovery. The value of the virtual capacitor is
A consensus based adaptive virtual capacitor control strategy for
The virtual capacitor algorithm was first proposed in [25], and its stability was analyzed in [26]. This algorithm not only reduced the sharing deviation of reactive power, but
