POWER SYSTEM STABILITY STUDIES USING MATLAB A Project Report Submitted in partial fulfillment of the requirements for the degree of Bachelor of Technology in Electrical Engineering By PRANAMITA BASU ( Roll No. – 10502064 ) AISWARYA HARICHANDAN ( Roll No. – 10502019 ) National Institute of Technology Rourkela Rourkela-769008‚ Orissa POWER SYSTEM STABILITY STUDIES USING MATLAB A Project Report Submitted in partial fulfillment of the requirements for the degree of Technology Bachelor
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blades are mounted on a shaft to form a rotor. A blade acts much like an airplane wing. When the wind blows‚ a pocket of low-pressure air forms on the downwind side of the blade. The low-pressure air pocket then pulls the blade toward it‚ causing the rotor to turn. This is called lift. The force of the lift is actually much stronger than the wind’s force against the front side of the blade‚ which is called drag. The combination of lift and drag causes the rotor to spin like a propeller‚ and the turning
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MEEN 626 - Lubrication Theory:Class Syllabus FALL06 Instructor: Dr. Luis San Andrés‚ ENPH 118‚ Phones: 5-0160‚ 2-4744‚ LsanAndres@Mengr.tamu.edu Class Time: T‚ R 3:55-5:10 pm ENPH 215 Office hours: R: 2:00-3:00 p.m.‚ or by appointment. Catalog Course Description: Development of Reynolds Equation from Navier Stokes equations for study of hydrodynamic lubrication theory as the basis for bearing design; applications to simple thrust and journal bearings and pads of various geometries; hydrostatic lubrication
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displacement of the shaft. RVDT give linear output up to displacement of +-40 degree. Then output starts becoming nonlinear. Operation of RVDT’s The two induced voltages of the secondary windings‚ V1 and V2‚ vary linearly to the mechanical angle of the rotor‚ : where G is the gain or sensitivity. The second voltage can be reverse determines by: The difference V1 V2 gives a proportional voltage: and the sum of the voltages is a constant : This constant
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Comparison of different types of blood pumps Nowadays‚ there are two main types of blood pumps: kinetic pumps and positive displacement pumps. Kinetic pumps: Centrifugal pump is one of the most familiar kinetic pumps. A centrifugal pump converts the input power to kinetic energy in the liquid by accelerating the liquid by a revolving device - an impeller. The most common type is the volute pump. Fluid enters the pump through the eye of the impeller which rotates at high speed. The fluid is accelerated
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1 Academy 1-112010-01 20‚ November 2010 KETAN R GANDHI RCG Group: Wind farming dreams Freedom from dark nights to every home through powering green energy gives us feeling of pride and sense of making a sustainable world – Rameshchandra Gandhi‚ Chairman of RCG group of companies. Wind Farming Dreams Ever since RCG group’s inception in 1972 at Rajkot‚ it has always looked at things differently. RCG group started out in Rajkot in Gujarat state with a modest beginning as small scale
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2.1 Motors use the effect of forces on current-carrying conductors in magnetic fields 2.1.1 The motor effect The motor effect is where a force acts on a current-carrying conductor in a magnetic field. The right hand palm rule is used to find certain properties: fingers point to magnetic field‚ thumb points in DC direction and palm points to direction of the force. 2.1.2 Factors affecting the force acting on the current-carrying conductor Forces are experienced by the electrons in the conductor
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works on the same basic principles to slow a vehicle‚ but their design is far superior to that of drum brakes. Instead of housing the major components within a metal drum‚ disc brakes use a slim rotor and small caliper to halt wheel movement. Within the caliper are two brake pads‚ one on each side of the rotor‚ that clamp together when the brake pedal is pressed. Once again‚ fluid is used to transfer the movement of the brake pedal into the movement of the brake pads. Now I will highlight the difference
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(Petingco and Resurreccion‚ 2011). In this exercise‚ the students were tasked to use an example of an electric motor‚ identify its parts‚ and make it work. All electrical motors are equipped with stator and rotor. Stator is known as the stationary part of an electric motor while rotor as the term implies‚ refers to the rotational part of the electric motor. Furthermore‚ it can be classified into two types of motor enclosure namely: (1) open-type enclosure; and (2) closed-type enclosure. To
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ELECTRONICALLY COMMUTATED MOTOR (ECM): (Venkatesan K R‚ Underwriters Laboratories) The ECM (Electronically Commutated Motor) is a high efficiency programmable brushless (no commutator and brush) DC motor utilizing a permanent magnet rotor (loss approximately zero) and a built- in inverter. Brushed DC motor is having lower efficiency and susceptibility of the commutator assembly to mechanical wear and consequent need for servicing. ECM motors can directly replace the existing Brushed DC motors and
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