ABSTRACT



Because of high requirements in power, efficiency, installation space and weight, the design of electrical machines for hybrid electrical vehicles is a particular challenge. This seminar describes a comparative study allowing the selection of the most appropriate electric-propulsion system for a parallel hybrid electric vehicle (HEV). This seminar is based on an exhaustive review of the state of the art and on an effective comparison of the performances of the four main electric propulsion systems, namely the d ....etc

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1.Zero voltage regulation in a transformer occurs at :
(A)zero p.f. lead 
(B)unity p.f.
(C )leading p.f.
(D)lagging p.f.

2.A parallel plate capacitor has 15 p.F capacitance. If the linear dimensions of the plate are doubled and the distance between the plates are also doubled, then new value of capacitance would be :
(A)15uF
(B)30 uF
(C )60 uF
(D)7.5 u.F

3.Resistance of a 230 V 100 W bulb is R1 and that of a 230 V 75 W is R2. Then,
(A)R1= R2
(B)R1 > R2
(C )R1 < R2
(D)R1 - 2R2

4.The current in a series ....etc

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Ultra Sonic Motor
Opto Electric Battery
Expert Technician System
Faraday's Disk Generator
Remote Monitoring and Thought inference
Gas Insulated Substations
Seasonal Influence on Safety of Substation Grounding
Single phase neutral point clamped AC/DC converter with power factor corrector and active filter
Speed Detection Camera ....etc

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....etc

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Papers urgently needed ....etc

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Soares Grounding and Bonding
Power System Harmonics
Substation Grounding
Hybrid Distributed Generation Systems
Line Reactors
Standby Power Systems
Residential Service Load Calculations
Micro Electro Mechanical Systems (REMEMS)
Power system harmonics
Protective Relaying for Large Generators
National Electric Safety Code
Directional Protection and CT Saturation
Micro-power Generator
Microprocessor based power theft identification ....etc

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Economical Alternative, For CTS And PTS(46)
Artificial intelligence in power station
Written-Pole technology
Axial-Field Electrical Machines(47)
In-Memory Database
Input Output Completion Ports
Brushless Servomotor(48)
AC Cable Versus DC Cable Transmission for Offshore Wind Farms
Electromagnetic Compatibility
Contactless Energy Transfer System(49)
Imode: inception, presence and impact
Microwave Applications
Super Co ....etc

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Smart Marketing
Market Micro structure
Corporate Governanace
Forensic Accounting
Financial Reporting
Corporate Disclosure Practices
Quality Control
Benchmarking
Chi Square Test
Kaizen
Six Sigma
Knowledge Management
Enterprise Resource Planning
User profiling
Artificial Neural Networks Based Power System Restoration(28)
Brushless Motors
Magnetic Launching
MOCT technology (29)
Trends in appliance Motors
Parasiti ....etc

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Power System Contingencies (19)
HVAC system
Process Automation Techniques
Adaptive Piezoelectric energy harvesting circuit (20)
Lightning Protection Zones
Modern Surge Arresters
BiCMOS Technology (21)
Electric Utility Industry .
End-Use Energy Efficiency Potential
Lightning Protection Using LFA-M (22)
Aluminium Alloy Conductors
HalBach array
Surge current protection using superconductors (23)
Magnetic Levitation
....etc

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Ultra Sonic Motor

Introduction
ULTRA SONIC motor is a newly developed motor, and it has excellent performance and many useful features, e.g.: high-torque density, low speed, compactness in size, no electromagnetic interferences, and so on. USM is a kind of piezo motor. The proposed speed control scheme is assumed for these applications because they require quick and precise speed control of actuators for various load conditions. A speed control method of USM using adaptive control is proposed.

Artificial Neural Netwo ....etc

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