INTRODUCTION “A promise is promise and I kept my promise”- this is the historical statement which Mr. RATAN TATA said when he launched his ambitious TATA NANO; the people’s car in India on 23 rd march 2009. Tata has always given value products in the Indian Car Market whether it is path breaking recently launched TATA NANO or TATA INDICA (which created great brand into the car industry in the diesel segment). Not only is the passenger car‚ even into the heavy vehicle segment TATA is the only
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A DC motor is a mechanically commutated electric motor powered from direct current (DC). The stator is stationary in space by definition and therefore so is its current. The current in the rotor is switched by the commutator to also be stationary in space. This is how the relative angle between the stator and rotor magnetic flux is maintained near 90 degrees‚ which generates the maximum torque. DC motors have a rotating armature winding but non-rotating armature magnetic field and a static field
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The speed of an asynchronous motor rotating field and thus its rotor speed depends on the number of pairs of poles in the stator field .the rotor speeds n are lower than the table values by the amount of the relevant slip speed ns. Motors are designed with up to three stators windings‚ which have different number of pairs of poles. They can therefore run at up to pairs of poles. They can be in any desired ratio to one another. A pole-changing switch is used to changing poles for the desires speed
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GROUP 4 JULY 26‚ 2013 EE 4101 ENGR. KENNETH F. FAJILAN Reluctance Motor Introduction A reluctance motor is a type of electric motor that induces non-permanent magnetic poles on the ferromagnetic rotor. Torque is generated through the phenomenon of magnetic reluctance. There are various types of reluctance motor: Synchronous reluctance Synchronous reluctance motors have an equal number of stator and rotor poles. The projections on the rotor are arranged to introduce internal flux “barriers“
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1: Corporate Governance Both Ford and GM completely abide by NYSE corporate governance standards‚ as they are domestic US companies. Ford and GM are required to strictly follow NYSE corporate governance standards. Toyota is permitted to follow certain corporate governance practices complying with Japanese laws and regulations‚ the NYSE has ruled that Toyota is exempt from certain NYSE corporate governance requirements. A significant difference in Toyota’s corporate governance structure is that
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AC Motors vs DC Motors DC Motors Prof. Dr. M. Zahurul Haq zahurul@me.buet.ac.bd http://teacher.buet.ac.bd/zahurul/ Department of Mechanical Engineering Bangladesh University of Engineering & Technology e316.eps ME 475: Mechatronics AC motors are smaller in size‚ reliable and less costly. AC motors run at fixed speed set by the line frequency. Easy speed‚ torque & direction controls in DC motors. DC motors are generally operate at lower voltages which makes these easier to interface with control
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ELECTRIC MOTOR CONTROLS Once the proper motor is selected‚ understanding the many various control devices available and their uses and limitations becomes an important part related to reliable operation and protection of the motor and the personnel using the motor. Motor Control Topics There are four major motor control topics or categories to consider. Each of these has several subcategories and sometimes the subcategories overlap to some extent. Certain pieces of motor control equipment can accomplish
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FORD MOTOR COMPANY .VS. GENERAL MOTORS Ford Automotive Company Background The Ford Automotive Company began as a vision of its founder Henry Ford. Henry Ford was born in 1863 on a farm near Dearborn‚ Michigan. In 1890 Ford’s hobby in the engineering field became a career as he began his employment at Detroit Edison Company. In 1892‚ Ford built his first gasoline buggy in which he sold in 1896 to help fund the construction of a new automobile. Three years later in 1899‚ Ford was forced to
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Sha’Ron Williams March 25‚ 2013 Case 36: One Ford BUAD 455 Ford is an auto making known for providing outstanding products fluctuating from small cars to luxurious brands to its customers. Ford Motor Company is a United States of America auto making company .It was established by Henry Ford. It is based in Dearborn‚ Michigan‚ a small town outside of Detroit. Ford is one the world’s largest auto making company. In June 16‚ 1903 Ford was incorporated. It was also one of the few companies
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Problem Definition John Bridges‚ the chief electrical engineer of Hamilton Oil Company‚ has concluded through motor testing that DMC competitors Spartan Motors and the Universal Motor Company of Canada offer the first and second choice motors on the market‚ respectively. DMC’s position as the third choice could prove quite detrimental to its market share because Hamilton is the largest active oil company in Canada‚ operating over 30% of producing wells‚ and Bridges is extremely influential in
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