[PDF] Top 20 Valor en riesgo para diversificación internacional de portafolios

... and power electronic converters in distribution systems and industries, consumers are concerned not only about continuity of supply but also the quality of power being ...the power electronic ... See full document

... & Controller of Fuzzy logic Technique: The word Fuzzy means ...the fuzzy set theory. Fuzzy set theory exhibits immense potential for effective solving of the uncertainty in the ... See full document

... sharing power compensation capabilities between two adjacent feeders which are not ...the MC-UPQC as well as the adopted control algorithm is illustrated by ...are based on PI & ANN ... See full document

... our power system is facing many power ...these power quality problems are voltage fluctuations, harmonics, transients and reactive power ...these power quality problems ... See full document

... ac power systems have existed for over 100 years due to their efficient transformation of ac power at different voltage levels and over long distance as well as the inherent characteristic from fossil ... See full document

... The MC-UPQC is very important while compensating voltage sag, swell, interruption & also injecting currents into line to reduce the non-linear load currents and to compensate the reactive power ... See full document

... of power equipment by creating excessive losses. In this paper, a fuzzy controlled shunt active power filter is described to maintain the (Total Harmonic Distortion) THD within the allowable limits ... See full document

... ABSTRACT:Power quality issue is one of the major challenges of power system some power quality issues including electrical harmonics, poor power factor, voltage instability and ... See full document

... cause Power quality problems, including, sags, harmonic distortions, surges and spikes and momentary disruptions, nonstandard voltage, current or frequency that results in a failure or miss operation of end ... See full document

... ac power using thyristors and other semiconductor switches is widely employed to feed controlled electric power to electrical loads, such as adjustable speed drives (ASD's), furnaces, computer power ... See full document

... this hybrid generation scheme instead of single sourced system, attains high power density, low voltage fluctuations, improve the grid stability, may increase the ...intelligent based predictive ... See full document

... utilizing Fuzzy rationale ...rationale controller has been intended for the STATCOM ...utilizing PI controller and in addition Fuzzy rationale ...the PI controller pick up ... See full document

... linear controller and the predicted current ...the power transistors and induces switching ...a fuzzy hysteresis band circuit control for a sinusoidal input current is involved for our ...the ... See full document

... of power electronic based loads in industry has increased the importance and application of power quality ...studies. Power electronic equipment’s with nonlinear loads are broadly used ... See full document

... unified power quality conditioner (MC-UPQC) ...and power factor correction in a power distribution ...are based on PI & ANN controller of the ... See full document

... Abstract: Power quality problems like voltage sag/swell, flickers, interruptions, voltage distortions and unbalance can have drastic effects on home appliances, industries, processing plants and other ... See full document

... Power Quality (PQ) related issues are of most concern now days. These power quality issues can occurs either from source side or from load ...side power quality problems can be ... See full document

... multiconverterunified power-quality conditioner (MC- ...conventional UPQC, the proposed topology is capable offully protecting critical and sensitive loads against distortions,sags/swell, and ... See full document

... current-source inverters. These three techniques are periodical sampling (PS), hysteresis band (HB), and triangular carrier (TC). The PS method switches the power transistors of the active filter during the ... See full document

... active power controllers were found to be less efficient. The fuzzy-logic-based controller ensured that the output power from the SOFC followed the reference value ...this power ... See full document