The current in an ideal AC power grid is pure sinusoidal wave. However, in reality, the current contains harmonics of multiple orders that reduce the efficiency and usability of the electric energy. Low harmonic drives are the systems that are used to reduce the harmonic distortions introduced in the supply lines and provide power outputs that are relatively safer for general and critical applications.
Low harmonic drives are devices that are used to reduce harmonic distortions in current systems. Harmonic distortions in electric power systems are due to nonlinear electric loads, which is a major reason for frequency power quality problems.
Increasing oil exploration activities such as shale related and offshore explorations are expected to boost demand for Low Harmonic Drives, thereby adding in growth of the oil & gas end-use industry segment. Moreover, increasing focus on generation of renewable energy will present considerable growth prospects for the industry participants over the long run.
Variable speed drives (VSDs), along with many other types of electronic equipment, can cause a phenomenon known as power line harmonics. The energy efficiency and performance advantages of using VSDs to control pumps and blowers in the water industry far outweigh the negative effects of harmonics. Even so, it is important to understand the potential reliability problems they can cause and the solutions that are available to mitigate their troublesome effects.
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