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Review of condition monitoring methods for capacitors used in …
Circuit model-based methods for condition monitoring of capacitors in power electronic converters involve using mathematical models of the capacitor and the converter …
Capacitor voltage balancing control with reducing the average …
Therefore, the DC voltage control of MMC not only needs to control the total DC voltage but also balances the capacitor voltages of each sub-module, so as to ensure the …
A Capacitive Impedance Control Method for Active Capacitor …
Capacitive impedance control enables a power converter to mimic the voltage-current characteristics of a physical passive capacitor actively; however, existing impedance control …
A consensus based adaptive virtual capacitor control strategy for ...
In this case, the virtual capacitor droop control proposed in [25] is compared with the AVCCS proposed in this paper. The primary control of microgrid uses traditional VSG …
Adaptive loss and capacitance‐reduction control strategy based …
This study gives the design of the SM capacitance value when the second-harmonic circulating current is injected with a closed-loop control strategy. Then, an adaptive …
Capacitor Voltage Balance Control Method Based on High-order …
In the actual MMC system, due to the hardware difference, different capacitance and inductance values on the bridge arm, different charging rate and energy storage elements, …
How To Measure Capacitance: Fundamentals And Methods
Bridge method: This method involves connecting the capacitor in a bridge circuit and measuring the voltage across the capacitor.The voltage is proportional to the capacitance, …
A Robust Capacitance Control Method for Variable Active Capacitor
This article proposes a capacitance control method for the variable active capacitor with improved accuracy and robustness. It applies an iterative learning controller to …
A Virtual Capacitor Control Method for Depression DC Voltage ...
This paper uses the internal energy of MMC to analyze the energy relationship between AC and DC sides of MMC, and proposes a method that MMC is equivalent to a virtual capacitor. The …
A consensus based adaptive virtual capacitor control strategy for ...
The improved droop control method mainly changes the output voltage by modifying the droop coefficient or translating the droop curve, so as to improve the sharing of …
Capacitor voltage balancing and current control method of …
The quantitative relation between the capacitor voltage of submodule and other operating parameters is derived, and the corresponding balancing method is proposed which …
A capacitance control method for two-terminal active capacitor
This paper proposes a novel capacitance control method, which is able to configure the active capacitor with a specified capacitance value. It has the following advantages: 1) specific …
Capacitor voltage balancing, capacitance monitoring, and fast fault ...
This study has achieved methods for capacitor voltage balancing, capacitance monitoring, and fast fault detection based on the new configuration of voltage and current …
A CAPACITANCE CONTROL METHOD FOR TWO-TERMINAL ACTIVE CAPACITOR
This paper proposes a novel capacitance control method, which is able to configure the active capacitor with a specified capacitance value. It has the following …
8.3: Capacitors in Series and in Parallel
As for any capacitor, the capacitance of the combination is related to both charge and voltage: [ C=dfrac{Q}{V}.] When this series combination is connected to a battery with voltage V, each …
A CAPACITANCE CONTROL METHOD FOR TWO-TERMINAL …
This paper proposes a novel capacitance control method, which is able to configure the active capacitor with a specified capacitance value. It has the following …
Capacitor voltage balancing and current control …
The quantitative relation between the capacitor voltage of submodule and other operating parameters is derived, and the corresponding balancing method is proposed which can make each capacitor voltage to track …
Capacitor voltage balancing, capacitance monitoring, and fast …
This study has achieved methods for capacitor voltage balancing, capacitance monitoring, and fast fault detection based on the new configuration of voltage and current …
Adaptive loss and capacitance‐reduction control …
This study gives the design of the SM capacitance value when the second-harmonic circulating current is injected with a closed-loop control strategy. Then, an adaptive control method based on SM capacitor voltage …
DC‐link voltage control strategy for reducing capacitance and …
In nature, the capacitance of a capacitor reduces as it ages and this may cause another power mismatch problem. The voltage violation results from the DCL voltage ripple …
A Robust Capacitance Control Method for Variable Active Capacitor
The active capacitor with variable capacitance control is able to actively and variably mimic the voltage–current characteristics of a physical passive capacitor; however, the existing …
Selection of the Capacitance of an Active Filter Capacitor and the ...
The method of choosing the optimal values of the capacitance of a capacitor of an active filter (AF) and the use of two different control methods of an AF to compensate for …
A Capacitive Impedance Control Method for Active Capacitor with ...
Capacitive impedance control enables a power converter to mimic the voltage-current characteristics of a physical passive capacitor actively; however, existing impedance control …
An Active Damping Control Method for Reduced DC-link Capacitance IPMSM ...
The basic control method is to use grid-connected current control and capacitor-current-feedback method to suppress resonance. Based on the Routh Criterion (RC), a simple …
A Switched Capacitor Based Capacitance Measurement Method …
This paper presents a integrated circuits capacitance measurement method based on switched capacitor circuits. Compared with other capacitance measurement methods, simple circuit …