Friday, May 3, 2019

Power Factor Investigation Assignment Example | Topics and Well Written Essays - 1000 words

Power Factor Investigation - Assignment ExampleThis makes it necessary to use suitable representation to correct the causality gene. This paper examines the use of the synchronous motor for post factor correction. There atomic number 18 several ways of defining spot factor depending on the context of study. However, all the definitions come from the reason that electrical indicant manifests in three ways. These are real power denoted as P (also cognise as true power or active power), reactive power denoted as Q, and evident power denoted as S (Singh, 2008). Apparent power is the magnitude of complex power denote as S which is the vector sum of real power and reactive power (Singh, 2008). Each of the three manifestations of power has a different measure. The unit of measurement of real power is in watts (W) that of apparent power is Voltage-Amperes (VA), while that of apparent power is in Reactive-Volt-Amperes (VAR) (Meier, 2006). The ratio obtained by comparing real power t o apparent power is the power factor. ... Therefore, the power factor is unity. However, there are cases when the voltage leads or lags the actual. The cause for this is when the circuit has an inductive fill such as a motor. The motor stores power in its coils, reducing the actual power (real power) acquirable to drive it. The total power supplied to the motor in this case represents the apparent power, obtained by multiplying the voltage and the current (VA). If there is a difference between the supplied power (apparent power) and the power in use (real power), then the power factor reduces to a value less than unity. Depending on its severity, it may require correction (Singh, 2008). The theoretical modeling governing the operation of motors includes Flemings right delve rule and faradays laws of electromagnetism. When the thumb, the advocate, and the middle finger are at right angles, Flemings right hand rule describes the heed of the thrust by the thumb the index finger shows direction of the electromagnetic field, while the middle finger shows the direction of the current. Faradays laws on the other hand state as fol first-class honours degrees, there is an EMF induced in a coil whenever the flux through with(predicate) the coil changes with time. The magnitude of induced EMF is directly proportional to the rate of change of flux and thirdly, the direction of the EMF is such as to oppose the change in flux. Electricity distribution companies provide power as apparent power but it bills customers based on the real power they consume. Therefore, a low power factor makes power more expensive to the consumer with increasing severity as power factor drops. This is why it is important to invest in equipment for power factor correction. Motors tend to be the largest loads in electric

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