Aluminum electrolytic capacitors are some of the weakest components in a power converter system. Therefore, condition monitoring of capacitors can prevent unexpected system downtime due to capacitor failures. This article proposes a condition monitoring system for electrolytic capacitors used as dc-link capacitors in front-end …
Four calibration algorithms based on the order statistics about capacitive mismatch are proposed for successive approximation register (SAR) analog-to-digital …
p>This article proposes a new physics-assisted genetic algorithm (PAGA) for decoupling capacitor (decap) optimization in power distribution networks (PDNs), which is, by far, the ...
An intelligent two-stage methodology is used that employs genetic algorithm and neural networks in order to achieve the objective of identifying the optimal location and ideal sizes of capacitors to be used in a radial distribution network for alleviating voltage stability problems. Voltage stability of each bus of an electrical …
In the proposed algorithm, discrete nature of the capacitors is considered. Forward and backward sweep (FBS) algorithm is applied for computing power losses and bus voltages. To show the ...
To meet the demands of emerging electrification technologies, polymers that are capable of withstanding high electric fields at high temperatures are needed. Given the staggeringly large search space of polymers, traditional, intuition- and experience-based Edisonian approaches are too slow at discovering new polymers that can meet these …
In 23, flower pollination algorithm (FPA) is applied for solving the capacitor placement problem in the network with aim of total power loss and capacitor installation cost minimization.
Abstract: This paper proposes a fundamental frequency sorting algorithm for balancing the floating capacitors in modular multilevel converters with low-frequency carrier phase shift …
The real time implementation of the proposed sorting algorithm with the SM capacitor voltage balancing strategy is implemented on Altera/Cylone - I (EP1C12Q240C8N) FPGA. A five-level continuous ...
A new iterative image reconstruction algorithm for electrical capacitance tomography (ECT) is proposed which is based on iterative soft thresholding of a total Abstract: A new iterative image reconstruction algorithm for electrical capacitance tomography (ECT) is proposed which is based on iterative soft thresholding of a total …
A new iterative image reconstruction algorithm for electrical capacitance tomography (ECT) is proposed which is based on iterative soft thresholding of a total variation penalty and adaptive reweighted compressive sensing. This algorithm encourages sharp changes in ...
Electrical capacitance tomography (ECT) enables the imaging of multiphase flow systems in industrial processes. Recovering flow profiles from measured capacitance data in ECT is an inverse problem that is traditionally solved using numerical algorithms such as the Landweber and Tikhonov regularization (TV) methods. This paper, however, proposes a …
DOI: 10.1016/J.IJEPES.2012.03.006 Corpus ID: 108684572 Direct search algorithm for capacitive compensation in radial distribution systems @article{Raju2012DirectSA, title={Direct search algorithm for capacitive compensation in radial distribution systems}, author={Manyala Ramalinga Raju and K. V. S. Ramachandra Murthy and Kollu …
Abstract: Thisarticle presents an efficient analogue sorting algorithm for balancing the submodule (SM) capacitor voltages of modular multilevel converter (MMC). The proposed analogue sorting algorithm offers the advantage of fast convergence rate without any
This paper proposes a 12-bit SAR ADC capable of calibrating a split capacitor using a binary search technique for bio-signal processing applications. The proposed SAR ADC employs a calibration logic circuit to calibrate a split capacitor vulnerable to process variations and mismatches. The proposed foreground calibration …
This paper explores the application of a rules-based algorithm for identifying capacitor switching transients in a monitoring project conducted on 24 utility systems across the United States. Numerous power providers and electric power end-users presently monitor their systems with specialized power quality monitoring instruments. …
Optimal capacitor placement in distribution systems solved by the hybrid method of CODEQ (called HCODEQ method) is proposed in this work. The concepts of …
In this article, the mechanism of current distortions for a five-level flying capacitor rectifier under unbalanced dc-link voltages is analyzed in detail. A multizero-sequence component injection algorithm based on phase-shifted pulsewidth modulation is proposed. In specific, the proposed modulation algorithm divides the fundamental period …
This paper proposes a fundamental frequency sorting algorithm for balancing the floating capacitors in modular multilevel converters with low-frequency carrier phase shift modulation. The relationship between the driving pulses and submodules (SMs) is rebuilt in every fundamental period by sorting the voltage increments and present voltages. …
The developed capacitive system and algorithms are evaluated by real ECG measurements on 7 volunteers using 3-lead configuration. The correlation coefficient (CC) between the processed cECG and the wet ECG is calculated in two different conditions: with and without the QRS complex.
In this work, a new genetic algorithm (GA) is proposed for the selection and placement of capacitors to meet a target impedance using as few capacitors as possible. The GA is centered around controlling the number of unused port locations in the GA population solutions, with the result of smoothing out the GA convergence and …
Most 3D capacitance extraction algorithms are based on the Boundary Element Method (BEM). Using BEM, each of ∗This research was supported by the NSF grants CCR-0098329, CCR-0113668, EIA-0223785, and ATP grant 512-0266-2001. the m free-space ...
Author: Leung, Ho-chung Title: Genetic algorithm for optimal capacitor selection and optimal power flow with facts devices Degree: Ph.D. Year: 2004 Subject: Hong Kong Polytechnic University -- Dissertations Genetic algorithms …
The new algorithm proposed for capacitive compensation in this paper considered as direct search algorithms with a possible expert interaction yields optimal locations with suitable sizes of capacitors resulting in minimum active power loss and maximum net 1.1 ...
Locating a fault in a series-capacitor-compensated transmission line (SCCTL) is a challenging task due to the action of a metal-oxide varistor a nonlinear element present as a part of the protection system of the series capacitor. In this paper, an accurate fault-location algorithm that uses synchronized measurements from both ends of the …
In a series string, the behaviors of batteries are different due to mismatch of impedance, initial state-of-charge, and self-discharging rate. Among various equalization methods, the switched-capacitor equalizer seems to be the most promising method due to automatic equalization, low-cost, and small size. However, the equalization speed …
This monitoring scheme consists of various stages: (1) first-start calibration of the capacitor; (2) estimation of the capacitor''s current; (3) estimation of the …
A predictive algorithm for accurately determining the crosstalk peaks caused by SiC MOSFETs is proposed in this article, which is very important to better design the drive and protect circuits of SiC MOSFETs. Compared to the conventional algorithm of crosstalk peaks, the nonlinearity of gate-drain capacitance (Cgd) is first considered in …
The aim of this paper is to present a method for the modelling of the supercapacitor based on SVM and particle swarm optimisation (PSO) algorithm. On the …
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