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Assistant professor in lord venkateswara engineering college.I am doing phd in sathyabama university, Tamil...

Article By s.sankar

I. IntroductionThe development and use of optimization models is well established. However, the use of many models has been limited in some areas of economic analysis where the problem is large and there are a large number of nonlinear interactions. In most cases, the use of linear...

1.Introduction Alternating current (AC) and direct current (DC) motors have traditionally served distinctly different applications because of their construction and operating characteristics inherent. In general, AC motors are smaller, cheaper, lighter and more robust than the DC motors....

Abstract-We studied a small isolated hybrid power system that uses two types of power generation turbines and diesel production. The interaction of diesel generation, wind, and the local load is complicated because the load and the wind change during the day. These fluctuations create imbalances...

I. INTRODUCTIONTIts optimal power flow has often been solved using traditional optimization methods. The OPF has been generally regarded as the minimization of an objective function representing the cost of production and or loss of transmission. The constraints involved are the physical...

I INTRODUCTION Power Tools system stability analysis and techniques, and test cases used in the thesis is presented. A discussion of the critical points must be taken into account in studies of different systems, such as continuation power flow or small disturbance stability analysis is...

I. INTRODUCTION voltage drop problem has been one of the major problems faced by electric utilities in many countries. The problem is also a major concern in the electricity system and planning. It can be characterized by a continuous decrease of the system voltage. In the initial...

1. INTRODUCTION One of the most common power quality is now voltage dips. A voltage dip is a short period of time (10 ms to 1 minute) event in which a reduction of the magnitude of the RMS voltage occurs. It is often defined by two parameters, the depth extent and duration. The...

INTRODUCTION: Robot was coined by Czech playwright Karl Capek in his play RUR (Rossum's Universal Robots) which opened in Prague in 1921. Robot is the Czech word for forced labor. The term robotics was introduced by writer Isaac Asimov. In his science fiction book I, Robot,...

Theory 1.Unified Converter In the preface to his book of switching power converters wood THECONCEPT introduced a unified theory of converter. There he says: Most viewsof traditional field seemed a bit disjointed, converters have been widely regarded asrelated only because they all...

Implementation of Stepper Motor in Robot Summary A single type system stepper axis consists of a stepper controller, a drive motor, a motor (with or without gearbox), and a power supply. A stepper is typically commanded by two digital inputs: a digital pulse train and a little...