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A novel Finite Element Controller Map (FECM) method for the speed control of a saturated induction motor (IM) drive is presented in this paper. The newly developed algorithm is based on approximate functions in finite elements, which are expressed according to the nodal values of output response of the IM drive. The map complexity depends on the nodes assigned within a discrete element. The proposed...
This paper proposes a new intelligent control for an indirect vector controlled induction motor drive for high performance, based on a finite element controller map. The traditional basic conventional algorithm (PI controller) has been successfully used to obtain decoupling control between the rotor flux and the torque. The basic PI has fixed gains that cannot be increased beyond certain limits. In...
Based on the fact that the three-phase induction machine proves higher performance under six-phase supply, which was demonstrated in Part 1 of the paper, this work investigates the fault-tolerance capability of the six-phase structure with asymmetrical configuration (30° phase shifting both for space and time conditions). It is taken into discussion the cut-off of one, two and three phases respectively...
This paper deals with the transient analysis of direct-on-line synchronous reluctance motor (SynRM) with symmetrical distributed rotor cage bars. Finite Element is utilized to analyze the transient behavior in both synchronized and unsynchronized regimes of the direct-on-line SynRM. In this paper two Synchronous reluctance motors are modelled and analyzed. The first motor is referred to as SynRM1...
This paper presents a field-circuit coupled design and analysis method for the permanent magnet synchronous motor (PMSM) system used in electric vehicles. The time-stepping finite-element method is used to simulate the motor system, which integrates the electromagnetic field analysis of the motor prototype and the control algorithm of the drive system. A two-dimensional transient electromagnetic field...
Electrical and mechanical faults in a three phase Induction machine is modelled and analysed, to identify potential fault signatures. Electrical, magnetic and torque signatures are analysed for various faults and their combinations, for potential fault signature identification. A multi-physics Finite Element tool is chosen for this analysis considering the possibilities to extend the study to thermal...
The single-phase line-start synchronous reluctance motor (LSSynRM) is suitable for household appliances, but an optimized design of rotor, crucially influences the performance of motor, is hard to obtain. This paper optimizes the rotor design of LSSynRM to make a higher saliency ratio with the trade-off between saliency ratio and synchronizing ability. The mechanical-field-circuit coupled Finite element...
In this paper, a novel single-phase hybrid switched reluctance motor (HSRM) is proposed for hammer breaker application. The hammer breaker requires only unidirectional rotation and high speed operation without torque dead-zone. To satisfy the requirements, the rotor of the 4/4poles proposed SRM is designed with wider rotor pole arc and non-uniform air-gap is applied on the rotor. This motor has a...
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...
The article considers the calculations of the induction motor with ring windings (IMRW) and ceramic insulation and a classical induction motor with a squirrel cage. IMRW is the newest design that was invented by “Electrical machines” department of UrFU. IMRW and serial induction motor have the same overall dimensions and output power. The electromagnetic calculations are made by “ANSYS Maxwell”. Comparative...
When using induction motors for hybrid electric vehicle (HEV) applications, variable wide speed control system is always required to drive the induction motor up to 10,000rpm or more. Distorted voltage from the control system causes harmonic currents, which generate additional losses and reduce output torque and efficiency. This paper investigates the current harmonic influence in the induction motor...
To numerically analyze the electromagnetic torque of the induction motor with skewed slots, accurate and timely computation of the airgap flux density (AGFD) is required. Two-dimensional multi-slice finite-element method (2-D multi-slice FEM) is typically used in the computation of the AGFD in the induction motor with skewed slots. However, in order to achieve high accuracy, the number of the slices...
This paper analyzes the effect of rotor bar inclination on starting torque, operating torque and operating efficiency in squirrel cage induction motor(SCIM) with finite element analysis method. The results show that the optimum inclination of rotor bar improve all the performances together. An application to the 3.4kW SCIM shows that the starting torque is increased from 17.53Nm to 17.64Nm, and the...
In this article it is considered the electromagnetic torque calculation of low power induction motor with ring windings (IMRW), designed for using in radioactive waste recycling equipment, in environments with high levels of radiation and temperatures over 200 degrees by dint of “ANSYS Maxwell”. The design of the magnetic stator system has not axis of symmetry and provides layered organization of...
A dual-rotor Hybrid Permanent Magnet Induction Machine (PMIM) having high torque and high power capability and possessing the advantages of both PM synchronous and induction machines can be a suitable option for electric vehicle application. This paper deals with the performance analysis of various possible topologies of PMIM and a conventional Squirrel Cage Induction Machine (SCIM) along with their...
One of the common faults encountered in 3 Phase squirrel-cage induction motors (IM) is broken rotor bar faults which constitutes nearly 7% of all the IM failure. In this work, a study on the electromagnetic characteristics of open-loop pulse width modulated (PWM) inverter fed IM is carried out under healthy condition & broken bar fault condition using Finite Element Method (FEM) analysis. The...
This paper presents a cost-effective adjustable speed drive (ASD) system of a line-start interior permanent magnet synchronous motor (LSIPMSM). The proposed drive system based on the digital implementation of space-vector pulse width modulation (SVPWM) using a low-cost digital signal controller (DSC). Finite element analysis (FEA) is used to determine stator self-inductances. While, other motor parameters...
This paper analyzes and compares the synchronous reluctance motor (SynRM) performance for a conventional star winding and for a combined star-delta connected winding under healthy and faulty conditions. The finite element method is used to simulate the SynRM characteristics in case of normal star and in case of combined star-delta connected windings. For the healthy case, it was found that for the...
The paper is focusing the comparison of transverse laminated synchronous reluctance motor (TLA) and squirrel cage induction motor for the same power ratings as 4 kW. The motors are general purpose industrial motors which are having the same stator layout but different rotors. The comparison is made in terms of electrical quantities such as induced voltage, current magnetic quantities such as the air...
This paper presents simplified design of a planar induction motor climbing an inclined steel plate. The motor set-up consists of two individually controlled linear motors firmly coupled via an aluminum frame with a drive system to provide 1-D translational and rotational motion. The motor set-up is also equipped with a position sensor to locate the mover in real time. To simplify the motor structure...
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