An improved seeker optimization algorithm (SOA) was proposed for capacitors optimization configuration in distribution network in this paper, which was a classical non-linear discrete problem. To aim at the flaws of traditional SOA that it was easy to fall into the local extremum in later stage of optimization process, Simulated Annealing (SA) algorithm was introduced by setting the Boltzmann s...

A transformation called current-mode linear transformation (CMLT) and its filter applications using multiple output second-generation current conveyors (MOCCIIs) are presented. The systematic method is developed to realize CMLT MOCCII-based filters efficiently. Based on the proposed design tables, we can synthesize highorder current-mode all-pole and elliptic filters with MOCCIIs, grounded resi...

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With high integration density of today’s electronic system and reduced noise margins, maintaining high power integrity becomes more challenging for high performance design. Inserting decoupling capacitors is one important and effective solution to improve the power integrity. The existing decoupling capacitor optimization approaches meet constraints on input impedance. In this paper, we show th...

The paper presents a low-cost current sensor for power capacitors in power electronic converters, especially for DC link electrolytic capacitors of PWM converters. The sensor is based on a Rogowskicoil which is implemented very cost-effectively using a small standard printed circuit board (PCB) located directly at the capacitor terminals. Due to the measuring principle the output signal inheren...

Testing of Limited Streamer Tubes (LSTs) has been conducted on the first set of LSTs meant for installation in the BABAR detector. The tubes are kept under high voltage (between 5 and 6 KV) as often as possible to ensure their durability. Three tests were conducted: signal charge, leak and radioactive source. Testing is conducted to ensure that no damage occurred during transport of the LSTs fr...

This paper presents a new methodology using fuzzy and Real Coded Genetic Algorithm (RCGA) for the placement of capacitors on the primary feeders of the radial distribution systems to reduce the power losses and to improve the voltage profile. A two-stage methodology is used for the optimal capacitor placement problem. In the first stage, fuzzy approach is used to find the optimal capacitor loca...

When a three-phase induction generator (IG) supplies unbalanced loads, its terminal voltages and line currents are also unbalanced, which may cause the IG to overheat and need to be derated. A single-phase loaded self-excited induction generator (SEIG) works under most unfavorable load unbalance conditions. This paper proposes a three-capacitor circuit scheme and a method to find the values of ...

One of the most critical components in a step-up design like Figure 1 is the transformer. Transformers have parasitic components that can cause them to deviate from their ideal characteristics, and the parasitic capacitance associated with the secondary can cause large resonating current spikes on the leading edge of the switch current waveform. These spikes can cause the regulator to exhibit e...

A fundamental issue in ferroic systems (ferromagnetic and ferroelectric) is the scaling of the order parameter (magnetization or polarization) with size. Specifically, in ferroelectric thin films, deviations in the polarization can occur due to: (i) competition between thermal vibrations and the correlation energy (which aligns the dipoles); (ii) damage during fabrication. These deviations will...