electric motors and drives austin hughes pdf

... class. Slip - ring motors, commutator motors and brake motors can all be made in flameproof versions. No external parts may cause sparks. The motors must have both an interna l and an external earthing ... sets the standards. Or at least many countries base their standards very closely on the IEC standards (for example, Germany's VDE 0530 standard and Great Britain's BS 2613 Standard closely ... though, the standards can be grouped into two major categories: NEMA and IEC (and its derivatives). In North America, the National Electric Man ufacturers Association (NEMA) sets motor standards,...

Ngày tải lên: 12/01/2014, 10:43

Ngày tải lên: 21/06/2014, 01:20

... Institute of Electrical and Electronics Engineers (IEEE) “Standard Test Procedure for Polyphase Induction Motors and Generators” IEEE 112-B and in its Canadian CSA 390 adaptation. The standard first ... Medium voltage motors • Repaired motors • TENV and TEAO enclosures It’s relevant to notice that regulation concerning single phase and three-phase small (42/48 and 56 frame) motors is ready, ... be obtained from orders@intechweb.org Electric Machines and Drives, Edited by Miroslav Chomat p. cm. ISBN 978-953-307-548-8 ELECTRIC MACHINES AND DRIVES Edited by Miroslav Chomat Contents VI Swarm...

Ngày tải lên: 21/06/2014, 01:20

... Canada with the adoption of Standard CAN/CSA- Electric Machines and Drives 14 Fig. 7. Stator Premium motors Fig. 8. Rotor Premium motors Electric Machines and Drives 16 Fig. 11. ... incentives and voluntary measures for the energy efficiency of electric motors is not sufficient, as it is prerequisite to implement mandatory measures for Electric Machines and Drives 22 ... (2008a) “Barriers and incentive policies to high-efficiency motors and drives market penetration,”. IEEE International symposium on power electronics, electrical drives, automation and motion SPEEDAM...

Ngày tải lên: 21/06/2014, 01:20

... estimated speed and reference speed, (i.e. e ω =  ω −ω re f ), a proportional integral compensation is proposed, as follows 100 Electric Machines and Drives Electric Machines and Drives 90 ... jNωL m i s + L r d dt i r + L m d dt i s (26) 102 Electric Machines and Drives where R s , R r , L s and L r are the stator/rotor resistances and inductances, L m is the magnetizing inductance, ... θ 0 sin θ 0 cos θ 0  and K =  2 3 ⎡ ⎢ ⎣ 1 − 1 2 − 1 2 0 − √ 3 2 − √ 3 2 ⎤ ⎥ ⎦ . x qd and x αβ stand for two-dimensional voltage flux and stator current vector, respectively on (q-d) and ( α-β)reference...

Ngày tải lên: 21/06/2014, 01:20

Ngày tải lên: 21/06/2014, 01:20

Ngày tải lên: 21/06/2014, 01:20

Ngày tải lên: 21/06/2014, 01:20

Ngày tải lên: 21/06/2014, 01:20

Ngày tải lên: 21/06/2014, 01:20

Ngày tải lên: 21/06/2014, 01:20

Ngày tải lên: 28/06/2014, 16:20

... improved batteries, motors and other hybrid electric components. Several electric vehicles – generally small and low volume – were produced worldwide in the 1970s (Anderson and Anderson, 2010), ... About.com. The History of Electric Vehicles. http://inventors.about.com/library/weekly/aacarselectric1a.htm. Accessed April 7, 2011. Anderson, C.D. and J. Anderson (2010) Electric and Hybrid Cars: ... In 2008, 370 battery electric vehicles (50 buses and 320 shuttles), 100 hybrid electric vehicles (25 buses and 75 passenger cars), and 23 fuel cell vehicles (3 buses and 20 passenger cars)...

Ngày tải lên: 19/06/2014, 12:20

... rotating field n s and the real rotor speed n is called slip and its value is typically 3 – 5%, changing with the load. DC motors are the first kind of traction motors, and in the period before ... 3. Electric Motors Properties Comparison Electric Vehicles – The Benefits and Barriers 78 mass about 1500kg. Its average power out of highway at 80 or 90km/h limit is only 5 - 10kW and ... battery electric vehicle using grid electricity had some advantage of both fossil fuel and petroleum consumptions and greenhouse gas emissions. It could be concluded that plug-in hybrid electric...

Ngày tải lên: 19/06/2014, 12:20

... for electricalvehicles and tractionsystems.Then, modelsforalternative electric motors and drivesystemswere  presented. After that, models for  power electronic components and ... switch and diode V th,RF [ V ] Threshold voltage of switch and diode 10 Electric Vehicles – Modelling and Simulations  Contents  Preface IX Chapter 1 Electrical Vehicle Design and ... thatscatteredallovertheworld.Additionally,an electric vehicle can convert the vehicle’s kinetic energy to electrical energy and store it during the braking and coasting. Allthebenefitsofelectricalvehiclesarestarting tojustify,acenturylater,attentionof industry,...

Ngày tải lên: 19/06/2014, 12:20

... value of wheel inertia w J and () s s stands for the slippery perturbation caused by model uncertainties and sensor faults. Formulate the proposed system into the standard control configuration ... wheel and the chassis is always fixed and known. 2. During the acceleration phase, considering stability and tire abrasion, well-managed control of the velocity difference between wheel and chassis ... switching states a S , b S , and c S . The Mamdani and Sugeno methods were used for the fuzzy reasoning algorithms in the FLC1 and FLC2, respectively. Figs. 9 and 10 show the membership functions...

Ngày tải lên: 19/06/2014, 12:20

... (EVs), Hybrid Electric Vehicles (HEVs) and Fuel Cell Electric Vehicles (FCEVs) have been typically proposed to replace conventional vehicles in the near future. Most electric and hybrid electric ... (stator, rotor, PMs and windings). Electric Vehicles – Modelling and Simulations 318 The coefficients p 1 and p 2 are determined according to the desired current and voltage closed-loop ... motor 3. Modeling of the AFPM motor and VSI In order to evaluate the two objective functions, viz. the weight and the losses of the motor and the VSI, and to verify if the constraints are...

Ngày tải lên: 19/06/2014, 12:20

... higher efficiency and lower weight and volume. Weight and volume estimation takes into account only the IGBT, DIODE, Inductor and capacitor (transformer for full bridge) and it doesn’t take ... Introduction Considering the large variety of electric motors, such as asynchronous motors, synchronous motors with variable reluctances, permanent magnets motors with radial or axial flux, the committed ... vehicles use an electric motor for propulsion, batteries as electrical-energy storage devices and associated with power electronics, microelectronics, and microprocessor control of motor drives. The...

Ngày tải lên: 19/06/2014, 12:20

... defined by the framework of the international standards organization ASTM and standardized by the IEEE 802.11, IEEE P1609.x and SAE J2735 standards, is a two-way short- to medium range (~1000 ... emission 2.1 Electrical energy source An accurate assessment of EV emission requires the inclusion of the electrical energy source associated emission with the generation and transmission. Electrical ... coefficients ,  and . Electric Vehicles – Modelling and Simulations 366 Fig. 1. EV Design Parameters  Battery Capacity: EV battery capacity is predetermined by the battery design and cell...

Ngày tải lên: 19/06/2014, 12:20

... armature voltage, current and input electrical power. Fig. 10. UAV operational scenario, indicating altitude and air moisture conditions. Electric Vehicles – Modelling and Simulations 428 ... steered electric vehicle, International Journal of Approximate Reasoning, Vol.41, No.3, pp. 343-368. Ehsani, M.; Gao, Y.; Gay, S.E. & Emadi, A., (2005). Modern Electric, Hybrid Electric, and ... run_post_drksw ( ); Electric Vehicles – Modelling and Simulations 420 Fig. 2-A. Software Functional Block Diagram (Guinee, 2003) of a BLMD System Electric Vehicles – Modelling and Simulations...

Ngày tải lên: 19/06/2014, 12:20