voltage model flux estimation
Magnet Temperature Estimation Methodology by Using Magnet Flux Linkage Observer for Variable Leakage Flux IPMSM
... Magnetic Flux Ob- server using the VLF-IPMSM Model In order to val- idate the operation of the magnetic flux observer, we build a behavior model using a JMAG-RT spatial harmonic model ...
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Direct torque control of permanent magnet brushless AC drive with single-phase open-circuit fault accounting for influence of inverter voltage drop
... current model- based estimator whereas knowledge of the switching states, DC link voltage, and stator phase currents is employed for the proposed voltage model-based ...proposed voltage ...
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A Novel MRAS Based Estimator for Speed-Sensorless Induction Motor Drive
... rotor flux based MRAS speed estimator, developed by Schauder in [15], is the most popular scheme among MRAS speed observers due to its ...reference model leads to problems with initial condition, drift, and ...
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A Comparison of Induction Motor Speed Estimation using Conventional MRAS and AI- Based MRAS with a Dynamic Reference Model
... speed estimation using conventional MRAS and AI-based MRAS with Stator Resistance ...mathematical model based MRAS speed estimation scheme can give a relatively precise speed estimation ...
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On the Empirical Estimation of Utility Distribution Damping Parameters Using Power Quality Waveform Data
... the voltage and current wave- forms are illustrated in Figures 5 and 6 to emphasize the load impact on the system damping and resonant ...distorted voltage and current ...The estimation results ...
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Electrical Engineering Handbook Richard Dorf pdf
... The three-phase inputs with the associated rectifier output voltage are shown in Fig. 5.7 as they would appear without the low-pass filter section. The three-phase bridge rectifier has a reduced ripple content of ...
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Speed Sensor less DTC of VSI fed Induction Motor with Simple Flux Regulation for Improving State Estimation at Low Speed
... Induction motor drives have been a mature technology for many years, but investigations into sensor less concepts are still taking place. The basic aim of sensor less control research is to achieve dynamic system ...
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Application of TREECS to Strontium 90 for Borschi Watershed near Chernobyl, Ukraine
... the model. The average annual hydrology required by the model was estimated based on information provided by Freed et ...water flux for 1999 - 2001; thus, rainfall is approximately ...
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Theoretical modeling and simulation of Grid connected DFIG under symmetrical and asymmetrical faults
... become key problems in the last decade. The high penetration of huge capacity wind production into the electric power grid has given rise to serious issue about their authority on the dynamic behavior of power systems. ...
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Direct torque control induction motor drives
... stator flux can vary quickly compared to rotor ...namely flux controller and torque controller to achieve ...variables flux and torque are expressed in terms of stator ...the estimation and ...
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Finite Element Analysis of Current Transformer in Power System
... The Hall voltage signal output is linearly proportional tosloping component of the flux density passing through the sensing element [4].Lorentz forces created the Hall Effect, which act on charges moving ...
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IJARSE, Vol. No.2, Issue No.7, July, 2013 ISSN-2319-8354(E)
... The direct torque control (DTC) speed control scheme of an induction motor surpasses the vector control in the sense that it controls the torque directly and does not use transformations and current modulator. In the ...
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Uncertainty of solute flux estimation in ungauged small streams: potential implications for input output nutrient mass balances at stream reach scale
... Accurate estimation of solute concentrations in groundwater is essential to estimating correctly the contribution of groundwater to the mass balance of the stream ...
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Development of an Analytic Model for Flux Switching Motors
... In this section it is assumed that the ideal inductances shown in figure 2 vary linearly with rotor position. As the rotor moves away from aligned position, the self inductances of field winding (F) and armature winding ...
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Heat Flux Modulation in Domino Dynamo Model
... “domino model”. By definition this model can generate the magnetic field which can not die at all, because of the magnitudes of the individual spins are ...net flux of the magnetic field, the analog ...
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Gold Return Volatility Modeling Using Garch
... (GARCH) model is a method to solve heteroscedasticity problems in ...GARCH model is a development of the previous model, namely ARCH (Autoregressive Conditional Heteroskedasticity) (Engle, ...ARCH ...
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Prevention of Thermal Failures in Down-The-Hole Button Bit
... ABSTRACT: DTH is short for "down-the-hole". The down-the-hole drilling is used to produce large-diameter holes or bores in to the hard rock surfaces of earth crust. Generally the life of bit is 200 Metres because ...
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A variable structure space voltage vector controlled switched reluctance flux vector drive
... positive voltage loop, which occurs when both power switches are simultaneously turned ...supply voltage is connected across the related phase winding and the current in the phase winding is ...‘zero ...
188
Numerical estimation of inter line power flow controller based on injection model of synchronous voltage sources
... opisano model estymacji międzyliniowego regulatora przepływu mocy ...Proponowany model utrzymuje odpowiednią dokładność ...biernej. Model został zweryfikowany z wykorzystaniem dwóch systemów w celu ...
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Grid Impedance Estimation Using Several Short-Term Low Power Signal Injections
... In this paper, a new method for the grid impedance estimation using rectangular signal injection is proposed. In noiseless condition, the accuracy of estimation is independent of the energy of signal. ...
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