EFFECTS OF VARIABLE LOAD ON POWER STATION
The variable load on a power station introduces many perplexities in its operation. Some of the important effects of variable…
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EVALUATING SYSTEM HARMONICS
In order to prevent or correct harmonic problems that could occur within an industrial facility, an evaluation of system harmonics…
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EFFECTS AND NEGATIVE CONSEQUENCES OF HARMONICS
The effects of three-phase harmonics on circuits are similar to the effects of stress and high blood pressure on the…
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SOURCES OF HARMONICS
Conventional electromagnetic devices as well as semiconductor applications act as sources of harmonics. Conventional electromagnetic devices include stationary transformer as…
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ROTATING MACHINE AS A SOURCE OF HARMONICS
Rotating machines also act as source of harmonics in power system. Causes of harmonics generation in rotating electrical machines are…
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MAGNETIZATION NONLINEARITIES OF TRANSFORMERS AS A SOURCE OF HARMONICS
Transformer magnetic material characteristic is nonlinear. This non linearity is the main reason for harmonics during excitation. Sources of harmonics…
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EFFECTS OF HARMONICS ON POWER SYSTEM COMPONENTS
Following is the summary of how harmonics affect on power system components. GENERATOR: Production of pulsating or oscillating torques which…
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EFFECTS OF HARMONICS
EFFECTS OF HARMONICS ON GENERATORS In comparison with utility power supplies, the effects of harmonic voltages and harmonic currents are…
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SOME NEGATIVE EFFECTS OF HARMONICS
a) Power factor correction capacitors are generally installed in industrial plants and commercial buildings. Fluorescent lighting used in these facilities…
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CAUSES OF POWER SYSTEM TRANSIENTS
There are different causes for power system transients. For example, lightning strokes to the wires in the power system or…