Electrical machines and drive systems
Multi-Label Classification for Fault Diagnosis of Rotating Electrical Machines
... Keywords: multiple fault detection; rotating electrical machines; drive systems; multi-label 20.. classification; machine learning; fault severity; fault classifiers 21.[r] ...
17
A system level comparison of drive topologies for high speed electrical machines
... electric drive systems as it greatly simplifies the currents control, that could be in some cases implemented with simple feed-forward ...to drive very high power machines, in thyristor based ...
6
Design optimization of radially magnetized, iron-cored, tubular permanent-magnet machines and drive systems
... electromagnetic machines, which either convert thrust force directly from a prime mover into electrical energy ...transmission systems, which results in a higher efficiency, higher dynamic ...
17
Stability analysis of motor drive interactions in aircraft electrical systems
... The parameters of the five motors and the aggregate motor have been calculated by scaling the parameters of the initial motor, used to develop the motor model, on a per-unit basis using Equation 9. It was assumed that ...
10
A Novel Virtual Instrumentation based method for Automation of Electrical Machines
... With the developed system, precise and accurate testing can be performed and the data can be used for analysis or further research. It also allows an individual to work in the electrical machine environment ...
6
Space vectors and pseudo inverse matrix methods for the radial force control in bearingless multi sector permanent magnet machines
... Considerable efforts have been made to exploit the multi- phase technology in different fields such as sensorless drives [13], on-line diagnosis algorithms [14], [15] and fault tolerant controls [16], [17]. The ...
10
Comparison of candidate architectures for future distributed propulsion aircraft
... the electrical machines to be decoupled, but does allow the speeds of the electrical machines to be optimised, and must address the power loss and ...
9
Analysis and Analogue Computer Representation of commutating machines and its application to control systems.
... some phenomena occuring in the machine. It is possible that there may be more or less number of windings that those shown on each axis. There are also two sets of brushes placed 90 electrical degrees apart on the ...
56
Fuzzy Logic Control for DVR to Counter Voltage Sag on a Distribution Network
... The insulated gate bipolar transistor or IGBT is a three- terminal power semiconductor device, noted for high efficiency and fast switching. It switches electric power in many modern appliances: electric cars, variable ...
6
ENERGY PRINCIPLES OF MUTUAL LOADING OF ELECTRICAL DC MACHINES
... Принципиально возможны следующие варианты компенсации потерь мощности в двигателе, генераторе и преобразователях: а компенсация всех потерь одним источником электрической мощности; б ком[r] ...
5
ELECTROMECHANICAL PRINCIPLES OF MUTUAL LOADED ELECTRICAL DC MACHINES
... Левая часть уравнения 33 представляет собой сумму потерь механических моментов на валах испытуемых электромашин, приведенную к валу генератора, который является конечным элементом в цепи[r] ...
5
A General Design Procedure for Symmetrical Windings of Electrical Machines
... example shown in Table 17 and the corresponding star of slots and winding scheme are plotted in 340. Figures 21 and 22 , respectively[r] ...
26
Energy Audit: A Case Study Of Electrical Machines Lab
... in machines lab all over Indian Engineering college’s energy consumption has been more apparent than such increases in the industrial and transportation ...
9
Evaluation of Electromagnetic Performance of Emerging Failures in Electrical Machines
... These failures have been widely studied and several methods have been adopted in order to improve the detection techniques [2-3]. In this work, we propose a hybrid technique using finite element simulation and ...
5
Application of EL CID to salient pole electrical machines
... resistive electrical circuit comprising the metallic contact between adjacent laminations, the adjacent stator laminations themselves and the build bars (also sometimes called keybars) which short the laminations ...
200
A thermal improvement technique for phase windings of electrical machines
... The initial design shown above is proposed taking into account the geometry of the TLPM motor presented in [13]. As shown further on, the narrow, deep nature of the slots of this particular machine results in the HP ...
9
MONITORING AND CONTROLLING OF ELECTRICAL MACHINES AND ELECTRICAL APPLIANCES BY USING WI-FI BASED ANDROID APPLICATION
... monitoring Machines and Electrical Appliances using android application where the slightly controlling and monitoring is ...of machines is ...
5
Evaluation of bearing technology in direct drive electrical generators
... The application of rolling element bearings in electrical machines is quite standardized and there are many “off the shelf” products. So, depending on the choice of application and with the nature of loads ...
6
Influence of the Pole Number on the Magnetic Noise of Electrical AC Machines
... AC machines are reminded, pointing out the influence of the pole ...that machines with high pole number have stator vibrations of high ...three machines with different pole number and fed at ...
15
Sub-domain scaling for finite element analysis of electrical machines
... Abstract: Finite element modelling of geometries with large dimensional differences between adjacent sub-domains or domains which have poor aspect ratios can impose significant demands on meshing algorithms and ...
8