q-axis
Investigation on Development of Sliding Mode Controller for Constant Power Loads in Microgrids
... For the ease of controlling uncompensated nonlinear systems and presenting a detailed analysis of state variables to implement the advanced nonlinear control algorithms, we have derived d-q axis modeling of ...
20
Novel PLL for power converters under unbalanced and distorted grid conditions
... The structure of the proposed PLL is shown in Fig. 1a, and its linearised control loop block diagram in the q-axis is given in Fig. 1b. The pre-filter is placed before a standard SRF-PLL [8]. Different from ...
5
Interior Permanent Magnet Synchronous Motor Drives
... This subchapter present the development of mathematical model for torque control equation by using d-q axis model of the IPMSM, current vector control with Maximum Torque per Ampere (MTPA) and vector ...
24
Progress in Analysis of Key Technologies for Dynamic Wireless Charging of Electric Vehicles
... Q-axis dual power supply rail current according to the spatial movement position of the electric energy pickup mechanism, there are still many links in the whole control process, and an [r] ...
8
Dynamic Performance Prediction of Brushless Resolver
... The objective of this paper is to present a mathematical model based on d-q axis theory to predict the dynamic and static behavior of a brushless resolver, considering eccentricity effect. This model gives ...
10
Artificial Neural Networks for Control of a Grid-Connected Rectifier/Inverter Under Disturbance, Dynamic and Power Converter Switching Conditions
... and q-axis reference currents were first chosen uniformly from [-500A; 500A], where 500A represents the rated GCC current in this ...and q-axis current values were checked to see whether their ...
13
Hardware Validation for Control of Three-Phase Grid-Connected Microgrids Using Artificial Neural Networks
... Following [6], and as in Fig. 1, our neural network vector control structure of a DER a d-axis loop is used for active power control and a q-axis loop is used for reactive power, or grid voltage ...
9
Model Predictive Control of Back to Back Converter in PMSG Based Wind Energy System
... -The reference q axis grid current was set to zero. -The reference d axis stator current was set to zero. Fig.4 and Fig.5 are obtain simulation results for SGSC. In Fig.4 the reference speed of PMSG ...
5
Comparative study of variable flux memory machines with parallel and series hybrid magnets
... The cross sections of the parallel and series hybrid VFM machines are shown in Figs. 1(a) and (b) respectively, and their key design parameters are listed in Table I. The overall dimensions of the two machines are the ...
12
Optimum Rotor Flux Control for Indirect Vector Control of Induction Motor using Loss Optimization
... An indirect vector control method has a good dynamic performance due to the inherent decoupling between d-axis (flux producing component) and q-axis (torque producing component) components of ...
10
Non linear circuit based model of PMSM under inter turn fault: a simple approach based on healthy machine data
... In the healthy case, many authors [12, 13, 14, 15] have proposed models taking into account the saturation effect by using the d- axis and q-axis machine magnetizing curves which can be given by the ...
14
Robust Control of Encoderless Synchronous Reluctance Motor Drives Based on Adaptive Backstepping and Input-Output Feedback Linearization Techniques
... In this paper, the design and implementation of adaptive speed controller for a sensorless synchronous reluctance motor (SynRM) drive system is proposed. A combination of well-known adaptive input-output feedback ...
13
Study on Performance Characteristics of Interior Permanent Magnet Synchronous Motor Due to Rotor Configuration
... and q-axis current, up to the max current and rotor speeds to determine the torque production capabilities of the motor ...and q-axis current and rotor speed, to determine the operating range ...
124
SVM DTC of an Induction Motor Based On Voltage and Stator Flux Angle Using Fuzzy Logic Controller
... Abstract - Induction Motors have wide range of applications due to their advantages like rugged construction, low cost and robust performance. In recent years, various aspects are investigated related to controlling ...
7
The effect of quercetine on leaf abscission of apple tree (Malus domestica Borkh ), growth of flax (Linum usitatissimum L ) and pea (Pisum sativum L ), and ethylene production
... Glass jars with the volume of 260 ml con- taining five 5-day-old pea seedlings in 90 ml of distilled water were placed into plastic stands. Epicotyls of these pea seedlings were treated with a lanolin paste containing ...
5
Click here to download PDF version of the article !
... leftward axis deviation, Prominent Q waves in lead II, III, aVF and T-wave abnormalities like flat and inverted T-waves in lead III chest leads V1 – V3 were more frequent in pregnant women than in non ...
5
Recombinase mediated cassette exchange reveals the selective use of Gq/G11 dependent and independent endothelin 1/endothelin type A receptor signaling in pharyngeal arch development
... To investigate the intracellular signaling mechanism involving the Edn1/Ednra pathway in craniofacial development, we choose a knock-in strategy with a recombinase-mediated cassette exchange (RMCE) using the Cre-lox ...
11
Three Phase Renewable Energy Inverter: Control, Real Time Simulation and Experimental Results
... the natural frame (a-b-c), due to the utilization of park transformation the voltages and currents of the three voltages inverter are being transformed to (d-q) reference which turns harmoniously with the grid ...
14
Prediction of slope instabilities due to deep-seated gravitational creep
... d=2200 kg/m 3 has been chosen for the creeping rock-mass. According our assumption the initial phase of the mass- movement started just after glacial retreat at 15 000 a B.P. At KF, the instability occurred at 9800 a ...
18
Evolution of the “f” Family Orbits in the Photo Gravitational Sun Saturn System with Oblateness
... The Poincare surface of section (PSS) technique is a method for determining the regular or chaotic nature of the trajectory. The numerical technique of PSS has been utilized by a large number of researchers to generate ...
19