Category: HARMONICS

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CASE STUDY ON DATA CENTER

DATA CENTER: Equipment Used:  Power Quality Analyser CHAUVIN ARNOUX Model no CA 8332 B Serial No: 306627. Data center electrical power costs is not normally effectively managed due to improper placement of ups, wrong choice of cooling equipments, choosing of poor power quality UPS, & inappropriate choice of power conditioners. In today’s environment, it is good public policy and good...

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HOW VULNERABLE IS AUTOMATION TO POOR POWER QUALITY?

POWER QUALITY: Power Quality is defined in the Institute of Electrical and Electronics Engineers (IEEE) 100 Authoritative Dictionary of IEEE Standard Terms as “the concept of powering and grounding electronic equipment in a manner that is suitable to the operation of that equipment and compatible with the premise wiring system and other connected equipment.” Utilities may want to define power quality...

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Will K rated Transformer helps to mitigate Harmonic generated by SMPS ?

Will K rated Transformer helps to mitigate Harmonic generated by SMPS ? Personal computers, photocopiers communication equipment and other office equipment that forms large part of the electrical loads in buildings.These SMPS contain from 30% to 60% current harmonics. The 3rd harmonics (150Hz) being the predominant one is the most harmful as its amplitude is bigger in magnitude and can...

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TRIPLEN HARMONICS

The ‘triplen’ harmonics i.e. the 3rd, 9th and the 15th harmonics of the line frequency cause more damage to the system and heat up the neutral. Why is that? This is because these harmonics are actually ‘additive’ (vector addition) in nature in the neutral of a 3 phase ‘wye’ circuit. This is easy to understand. In a 3 phase ‘wye’...

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HARMONICS : A SILENT KILLER IN YOUR ELECTRICAL SYSTEMS

The term harmonics for decades has been a terminology or a buzz word, making many people reconsider the effectiveness of their building’s wiring system. But over the years, it has shaped new meanings. The presence of harmonics in electrical systems means that the current and voltage are distorted and deviate from sinusoidal waveforms. Harmonics have short and long-term effects on...