Frequency control
Aggregation of plug-in electric vehicles in power systems for primary frequency control
... simplest control approach, PEVs were disconnected from the Great Britain power system following a large disturbance (Mu et ...this control approach might introduce undesired over frequency deviations ...
222
A Simplified Electro-Mechanical Model of a DFIG-based Wind Turbine for Primary Frequency Control Studies
... y control de los mismos, la predicción de producción a corto plazo y la economía de escala con aerogeneradores de mayor potencia con una mejora en los costes unitarios de inversión y producción eléctrica ...
7
Supplementary Frequency Control in a High-penetration Real Power System by Renewables Using SMES Application
... several control problems such as frequency/voltage instability ...secondary frequency control action (i.e., Load Frequency Control (LFC)) will not be sufficient to maintain the ...
13
A Simplified Electro-Mechanical Model of a DFIG-based Wind Turbine for Primary Frequency Control Studies
... y control de los mismos, la predicción de producción a corto plazo y la economía de escala con aerogeneradores de mayor potencia con una mejora en los costes unitarios de inversión y producción eléctrica ...
7
Frequency control of hybrid wind-hydro power plants with long conduits in isolated power systems
... According to Albadi and El-Saadany (Albadi & El-Saadany, 2010), the impact of renewable energies on power systems depends mainly on its penetration rate and the system inertia. For this reason, the negative effects ...
222
Quad-frequency linearly-polarized and dual-frequency circularly-polarized microstrip patch antennas with CRLH loading
... quad- frequency patch antennas consists of exciting the four modes with two orthogonal polarizations through only one ...which frequency and polarization diversity is required ...
25
Noise Effects in Kerr Frequency Combs
... 2 − α predicts the first wavenumber being excited at the onset of in- stability. Figure 3.6 (middle) shows that in simulations it determines the comb spacing up to a limiting value of α. Nonetheless there is not in ...
78
Phinics High Frequency Words Basic pdf
... Students practice reading high frequency words while playing a memory game.. Place the high frequency word cards face down in rows.[r] ...
71
Editorial: Language, frequency and bibliometric indexes
... are being accepted, and the average reviewing time is 79 days. We have published 17 articles, which represents a significant rise in the average articles per number (M=4.25), the biggest since 2005 (cf., Simo y Sallan, ...
14
Multiple Frequency Solidly Mounted BAW Filters
... operation frequency is fully defined by the set of layers from which they are obtained and especially by ...given frequency, can be fabricated at a ...their frequency through the mass loading effect, ...
5
FREQUENCY COMPOSITION : UN NUEVO ENFOQUE PARA EL TRASLADO DE FRECUENCIAS
... activar Frequency Composition™ de forma ...señal. Frequency Composition™ aprovecha las diferencias en la forma espectral de los fricativos (espectro en aumento) ...Así, Frequency Composition™ logra ...
9
A support vector machine as an estimator of mountain papaya ripeness using resonant frequency or frequency centroid
... Cooke and Rand [6] suggest that the first resonant frequency corresponds to a spheroid mode and that the second resonant frequency corresponds to a torsional mode and developed equation (1.1) based on ...
10
Dispersion requirements in coherent frequency to time mapping
... Finally, we provide some examples of waveforms that show the mapping at unexpectedly low dispersion amounts. Although this final observation cannot be generalized to arbitrary waveforms, it has allowed us to obtain ...
12
INFLUENCE OF PORE ROUGHNESS ON HIGH-FREQUENCY PERMEABILITY
... , to leading order, on the bounding surface of the potential flow region. The separation between this surface and the tip of the wedge shrinks like the viscous skin depth δ when frequency increases. Thus, owing to ...
6
Frequency of neoplasms in canines in Quito, Ecuador
... El estudio fue de tipo epidemiológico descriptivo; sin embargo, los datos permitie- ron realizar un análisis de Riesgo Relativo bajo el esquema Caso Control de Base Poblacional. En la selección de los sitios de ...
9
Sampling Frequency Error Estimators for PRIME v1.4 systems
... This work focuses on the PRIME v1.4 specification [2], for which the work in [3] showed that performance degradation caused by an uncorrected sampling frequency offset (SFO) cannot be neglected, as it can be done ...
6
Physics of Vibrating Airfoils at Low Reduced Frequency
... a frequency do- main linearized Navier-Stokes ...reduced frequency and Mach num- ...low-reduced frequency regime which is of paramount relevance for the design of aeronautical low-pressure turbines ...
14
Face recognition and De-Identification in the frequency domain
... Face recognition has been considered as one of the major biometrics technologies, due to a number of significant advantages over other identification methods such as fingerprint and iris, where the most important is that ...
130
Coherence revivals in two photon frequency combs
... with frequency entanglement exhibiting a comblike correlation ...transfer frequency standards through optical fiber networks with two-photon light, avoiding the requirement of dispersion ...
5