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Legal Disclaimer |
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Power Quality A perfect power supply would be one that is always available, always within voltage and frequency tolerances, and has a pure, noise-free sinusoidal wave shape. In the real world, unfortunately, there are five principal deviations from this perfection that affect power quality: harmonic distortion; blackouts; under or over voltage; dips (sags) and surges; and transients. Solutions to power quality problems include using larger neutral conductors to handle harmonic loads, better grounding systems to dissipate transients and lightning, and fewer outlets per circuit to lessen interaction between office equipment and computers.
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