The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Fault detections are essential for unexpected failures of the electrical motors. Early detection and faults diagnosis leads to effective operations. This paper deals a diagnosis of faults in three phase induction motor by means of zero-sequence stator current spectrum. The simulation and experimental setup are designed under bearing faults. Using finite element method (ANSOFT MAXWELL-2D) the motor...
Direct torque control method for BLDC motor drives usually represents reduction in high ripples in the torque. The important characteristics observed in DTC is non-linear regulation of stator flux and torque within variables structure by hysteresis band controller. For particular sampling period Ts values of torque and flux are chosen for Hysteresis band. This would help to achieve average sampling...
Luo Family Converters (LFCs) are a new series of choppers, which converters fixed D.C voltage magnitude into variable D.C voltage magnitude for high voltage applications. The general requirements of any topology of DC-DC choppers are output voltage regulation, ripple voltage, size, efficiency, and cost. This paper presents a review LFCs based on S-T method for various High energy applications. The...
In dissonance with the limitations of present substation monitoring system, this paper introduced a Zigbee based wireless network system in traditional online monitoring system and the wireless online monitoring system. This system is constituted by a Zigbee sensor network nodes.and a zigbee coordinator node. The sensor terminal nodes are comprised by different type of sensors and Zigbee wireless...
The aim of this paper is to track a Global Maximum Power Point under Partial Shading Condition from the PV array using Artificial Intelligent (AI) Techniques. Partial Shading Condition is one of the important problems to get Maximum Power from PV array. Partial Shading Condition (PSC) might be anything in the nature such as clouds, leaves, electric poles and the shadow of buildings which shades falls...
In this paper, the performance characteristics of two coil and three coil structure for Wireless Power Transfer(WPT) systems are compared. The circuit model of both the systems are derived with the help of circuit theory. To obtain the high energy efficiency, the three coil structure is proposed. The analysis shows that this structure provides high efficiency for wider range of loads. The Simulation...
This paper aims at developing a Phase Locked Loop (PLL) based grid integration of wind driven three phase induction (3PIG) generator. The dynamic model of wind driven induction generator along necessary power converters is evolved in Matlab/Simulink. The system functionality is analyzed for different wind velocities. The synchronous reference frame PLL (dq/SRF PLL) synchronizes the grid and the system...
This paper proposes simplified space vector modulation technique for speed control of induction motor drives. The space vector modulation technique generally has several advantages such as effective bus utilization and reduction in harmonic content. Conventional Space vector modulation technique is computationally complex for on-line implementation. A simplified space vector modulation technique is...
This paper presents State Space Average technique for fourth order DC-DC Zeta converter in continuous conduction mode. The system is implemented by a non-isolated Zeta converter for Step Up and step-down output voltage in open loop system and in close loop system by using PID controller. The input voltage to Zeta converter is fed by Solar Photovoltaic Array, which depends on the irradiance and temperature...
A fully observable power system is possible with linear state estimation algorithms with exclusive use of synchronized measurements obtained from PMUs. The objective of full observability is achieved by placement of the PMUs at specific locations in power system instead of installing at every bus in the network. The calculation of mimimum number of PMUs and their locations is an optimization problem...
The applications of The Brush Less Direct Current (BLDC) are increasing day by day. In order to have proper utilization of these motors and to control them effectively it's important to have proper mathematical modeling of these motors. Similarly effective control these motors are also essential to have successful application of the devices across multiple domains. This work addresses both these important...
Parallel FIR filter is widely used among various types of filter in Digital Signal Processing (DSP). This paper shows the design of area-efficient 2-parallel FIR filter using VHDL and its implementation on FPGA using image system. This paper gives the details basic blocks of area-efficient 2-parallel FIR digital filter. In this paper proposed 2-parallel digital FIR filter and area-efficient 2-parallel...
A shift register consists of a chain of flip-flops in cascade, with the output of one flip-flop connected. Flip-flop consumes power and constitute load on the clock distribution. To achieve the high performance in universal shift register, flip-flops play the important role. This paper presents the conventional universal shift register using edge triggered D flip flop with low power and area efficient...
Induction motor is the most popular load in the transportation systems like Hybrid vehicle, Traction and Propeller. Now-a-days most of the researches are done on hybrid vehicle. It is very important to study about the cost effective, efficiency and quality on induction motor performance. For easy transportation purpose the weight of the motor is low and similarly for the performance of the motor the...
This paper presents harmonic current estimation using neural network for a power electronic converter. Three types of popular neural architectures namely single hidden layered Feedforward architecture, multi hidden layered Feedforward neural architecture, cascade architecture are considered for investigation. The non-linear load namely diode bridge uncontrolled rectifier with resistive inductive (RL)...
Generally in power system the vibrant power and current constraint will vary by the subject of generators and it addresses the deviations by rearrangement process. The major aspire of the development is to sort out the requirement of vibrant power load. The generator excitation loop will tune the dynamic power trigger by the maximum value of electricity over the network. By the link of stabilizer...
Most of the chemical processes are multivariable in nature. Control of multivariable industrial processes becomes a challenge due to the inherent interactions among variables, modelling uncertainty and various disturbances. The objective of this paper is to design a PI controller for CSTR process with decoupler to meet the desired transient response specifications. Stability of the proposed system...
In this paper, two control strategies for Transformerless Dynamic Voltage Restorer(TDVR) are analyzed on the basis of its performance under voltage sag, and swell. Eliminating the usage of a transformer for DVR precisely reduces the size and cost. The load voltage profile is controlled using model predictive control, an advanced control which tracks the reference voltage by predicting the future behaviour...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.