flux vector
The numerical simulation of compressible flow in a Shubin nozzle using schemes of Bean-Warming and flux vector splitting
... Warming flux vector splitting and Bean- ...the flux vector splitting method is more accurate than the Bean-Warming ...the flux vector splitting is slower and more complicated ...
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Model predictive Direct Flux Vector Control of multi three phase induction motor drives
... The paper proposes a model predictive control (MPC) for multiphase induction machine configured as multiple three- phase structures. The predictive algorithm is implemented on the basic structure of the Direct ...
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Direct Flux Vector Control of Induction Motor Drives with Maximum Efficiency Per Torque
... stator flux reference computation for Direct Flux Vector Control Induction Motor ...MEPT flux is obtained as an interpolation according to torque demand and rotor ...MEPT flux ...
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Model predictive direct flux vector control of multi three phase induction motor drives
... Direct Flux Vector Control scheme based on a multi three-phase approach, where each three-phase winding set is independently ...adopted flux observer are ...deep flux-weakening ...
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Encoderless flux vector oriented control of brushless doubly-fed reluctance generators
... Abstract—An angular position and velocity observer-based sensorless flux vector-oriented control scheme for a prominent doubly-fed reluctance generator has been presented and ex- perimentally validated. ...
6
A variable structure space voltage vector controlled switched reluctance flux vector drive
... associated vibration is not obvious. The overshoot can be attributed to the selection of the turn-on angle, i.e. advancing the phase angle, because the angle is near “ 0 ” electrical angular position, where nearly no ...
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Modified Direct Torque Control of Induction Motor Using Three-Level Inverter
... rotor flux vector (Ѱ rs ), which lags Ѱ s continues to come towards Ѱ s and reduce the torque as seen from ...active vector V 6 introduces more current ripple while reducing the torque than the null ...
7
Direct torque control of induction motor using SVM-VSI .
... stator flux should turn slower than rotor flux ...stator flux vector s ...voltage vector are applied to the motor ...stator flux vector s rotating in the same ...
11
Numerical investigation of bubble dynamics using tabulated data
... Keywords: Bubble dynamics, cavitation, Helmholtz equation of state, exact Riemann solver Nomenclature U F G S ρ ur uz p e eliq evap E s Conservative variable vector r-flux vector z-flux [r] ...
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Comparison of MRAS Based Rotor Resistance Estimator Using Reactive Power and Flux Based Techniques for Space Vector PWM Inverter Fed Induction Motor Drives
... Rotor Flux The block diagram of Rotor Flux- MRAS (RF-MRAS) is shown in Figure ...rotor flux vector signals. The current model flux equations are used as an adaptive model because it is ...
8
A Current-Based Output Feedback Sliding Mode Control for Speed Sensorless Induction Machine Drive Using Adaptive Sliding Mode Flux Observer
... SM flux observer has been proposed in [5] and used to estimate the rotor speed, rotor position and rotor flux vector components of a 5kW cage rotor IM in a fixed stator α − β : axis reference ...
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Investigation Of Oblique Shock Using FVM Based CFD Solver
... 1) Flux Vector Splitting Scheme: There are two class of flux vector splitting schemes, one class of flux vector scheme developed by Steger and Warming and Van-Leer which ...
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IJARSE, Vol. No.4, Issue No.02, February 2015 ISSN-2319-8354(E)
... General post processer- contour plot- Thermal Gradient-Thermal Gradient Vector Sum. General post processer- contour plot-Thermal Flux –Thermal Flux Vector Sum.[r] ...
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Dynamic Modeling of Induction Motor with Rotor Field Orientation
... leakage time constants and some interactions. The slow dynamics in the direct axis are governed by Eq. 38, with acting as control input. The angular position of the flux vector is determined by Eq. 39, with ...
5
Algorithm for Induction Motor without AC Phase Current Sensors
... stator flux vector and the electromagnetic torque are directly calculated from the voltage and the current derived from a single dc -link voltage sensor (simple voltage divider) and a single dc -link ...
7
Compare the Direct Torque Control of Permanent Magnet Synchronous Motor with Asynchronous Motor by Increasing Levels of Inverter
... applications: vector and direct torque control (DTC) ...method, vector control was introduced more than 25 years ago in Germany by Hasse [5], Blaske [6], and ...The vector control method, also called ...
10
Optimum Rotor Flux Control for Indirect Vector Control of Induction Motor using Loss Optimization
... the flux until the minimum power is detected for given torque and speed ...this vector drive, the flux is reducing in small steps to reach the optimum condition, and the problem is an increase in the ...
10
Numerical solutions for nonlinear gyrotactic bioconvection in nanofluid saturated porous media with stefan blowing and multiple slip effects
... mass flux and microorganism slip boundary conditions on the free convection gyrotactic bioconvection boundary layer flow of nanofluid along an upward facing and translating horizontal ...
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A Stator Flux Oriented Vector Control Scheme For Decoupled Control Of DFIG For Wind Energy Applications
... stator flux oriented vector control scheme is used in this ...The vector control structure employs conventional PI controllers for the decoupled control of the stator side active and reactive ...
6
NEUTRON DISTRIBUTION IN A CRITICAL SLAB BY THE MULTIPLE COLLISION METHOD EUR 479 e
... Under the assumption that the scattering of neutrons is spherically symmetric in the L system, the vector flux or the angular-space distribution of neutrons is obtained in a form of an i[r] ...
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