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SelectionGuide|DanfossActivePowerFilter
Entmanagementofharmonics
forincreasedsystcy
≥40%
reductionoftotal
harmonicmitigation
todriveload
Whatareharmonics?
Whyareharmonicsachallenge?
AnelectricalACsupplyisideallyExcessiveharmonicdistortionOvercurrentandoverheating
apuresinewaveofeither50or60Hzofthemainssupplyimpliesoftransformersandneutralcables
fundamentalfrequencyandallthatthesourcenotonlycarrieswithoutsevereunbalanced
electricalequipmentisdesignedfor50or60Hzfrequenciesbutalsothree-phaseloads
optimalperformanceonthissupply.higherfrequencycomponents.Lowpowerfactor,apparentcurrent
farhigherthanactivecurrent,
HarmonicsarevoltagesandcurrentsThesecomponentscannotbeutilizedandhighsystemlosses,resulting
whichhavefrequencycomponentsbyelectricalequipmentandadverseinpenaltiesduetoreactivepower
thatareintegersmultipleoftheeffectscanbesevereandinclude:MalfunctionofPLCcommunication,
fundamentalfrequency–pollutingprocesscontroller,precision
thepuresinusoidalwaveform.Limitationsonsupplyandnetworkinstruments
utilization
Powerel
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