Selection-based capacitor voltage balancing control for modular ...
The modular multilevel converter (MMC) is a promising topology for high-power converters. The capacitor voltage balancing method for the submodules (SMs) is one of the …
Improved power loss balance control for modular multilevel …
A VCVDPV-PLBC is proposed based on the relationship between the capacitor voltage deviation predefined value and power loss. By changing the capacitor voltage …
Frequency Tracking Method and Compensation Parameters …
Frequency Tracking Method and Compensation Parameters Optimization to Improve Capacitor Deviation Tolerance of the Wireless Power Transfer System Abstract: …
Frequency Tracking Method and Compensation Parameters …
The Sobol sensitivity method is applied to rank the importance of deviations of three capacitors on the transfer characteristics, and then the method of tracking the secondary …
Optimal Capacitor Placement Techniques in Transmission and …
The most useful method of capacitor placement in the power system is the analytical method. This uses the calculus for capacitor placements to calculate the minimum losses and cost savings.
Analysis and calculation on switching frequency and switching …
This study proposes a new method to evaluate the switching frequency and switching losses of MMC with maximum SM capacitor voltage deviation. Switching transitions …
Analysis and calculation on switching frequency and …
In this paper, analysis and calculation of the switching frequency and losses with the SM capacitor voltage deviation are conducted. The concept of the maximum SM capacitor voltage deviation is introduced, and then the …
Capacitor Voltages Balancing Method for Flying Capacitor …
To calculate the OPI, the proposed method employs phase current direction and capacitor voltage deviation, resulting in less hardware and software complexity than methods that use cost …
SLTA055–FEBRUARY 2006 Input and Output Capacitor Selection
The first objective in selecting input capacitors is to reduce the ripple voltage amplitude seen at the input of the module. This reduces the rms ripple current to a level which can be handled by …
Capacitor voltage balancing method for hybrid modular …
Due to different output voltages, capacitor voltage imbalance occurs between half-bridge sub-modules (HBSM) and full-bridge sub-modules (FBSM) in hybrid modular …
Analysis and calculation on switching frequency and switching losses …
In addition, for the case without SM capacitor voltage sensors, a method based on real‐time calculation of the injected second‐harmonic circulating current is proposed to …
Capacitor Basic Calculations
Capacitors are used in many circuits for different purposes, so we''re going to learn some basic capacitor calculations for DC circuits. Scroll to the bottom to watch the …
Measurement Methods for Capacitances in the Range of 1 pF–1 …
In this paper, we provide an actual overview of capacitance measurement circuits considering well-known and modern measurement methods, such as lock-in amplifier, …
(PDF) Non-Integral AC Capacitor Voltage Calculation Method for …
The proposed non-integral AC capacitor voltage calculation method represents a significant advancement for SHAPFs, providing an effective means for reducing overvoltage …
Evaluation of various methods for energy storage calculation in ...
In this work, four methods were applied to calculate the energy storage in linear, ferroelectric, and antiferroelectric capacitors. All methods were valid when the linear capacitor …
Analysis and calculation on switching frequency and switching …
choosing the value of maximum SM capacitor voltage deviation. The outline of this paper is organised as follows: the basic structure and modulation method of MMC are introduced in
Benchmarking of capacitor power loss calculation methods for …
Therefore, this paper aims to benchmark different capacitor loss estimation methods, focusing on the reliability. Four different ESR models are compared based on …
Series Capacitors Configuration in Distribution Network Considering ...
This paper puts forward a method to determine the location and capacitive reactance of D-FSC in one radical network using Matlab-based load flow calculation and GA …
Series Capacitors Configuration in Distribution Network …
This paper puts forward a method to determine the location and capacitive reactance of D-FSC in one radical network using Matlab-based load flow calculation and GA …
Appropriate methods for evaluating the efficiency and capacitive ...
Calculation methods The capacitance (F) of an ideal EDLC is calculated from the slope of the galvanostatic charge/discharge (GC/GD) curves: (1) C G C / G D = I Δ t Δ U, …