Danfoss VLT AHF 005 Operating Instructions Manual

Also see for VLT AHF 005: Instruction manual Operating instructions Design guide Design guide

Contents

Danfoss VLT AHF 005 Operating Instructions Manual Manual pdf 4 page image

DescriptionThe Danfoss harmonic filters AHF 005 and AHF 010are ensuring near sinusoidal line current minimisingthe harmonic current emission into the mains supply.The Danfoss AHF 005 and AHF 010 are advancedharmonic filters not to be compared with traditionalharmonic trap filters. The Danfoss harmonic filtershave been specially designed to match all the Danfossfrequency converters. The filters AHF 010 and AHF005 are available in four voltage ratings.• 380 - 415 V AC, 50 Hz• 440 - 480 V AC, 60 Hz• 500 - 525 V AC, 50 Hz• 690 V AC, 50 HzThe Danfoss AHF 010 and AHF 005 have the followingcharacteristics:• Small compact housing that fits into a panel• Easy to use in retrofit applications• AHF 010 reduces the total harmonic currentdistortion to 10%*• AHF 005 reduces the total harmonic currentdistortion to 5%*• Current rating from 10A - 370A• For higher power modules can be paralleled• One filter module can be used for several fre-quency converters• High efficiency (> 0.98)• User-friendly commissioning - no adjustmentnecessary• No routine maintenance required* THiD of 10% or 5% will be achieved when the fol-lowing conditions are met:- THvD of the system without the drive operat-ing is less than 2%- Filter is operating at nominal loadIf these conditions are not fulfilled, a significant reduc-tion of the harmonic components can still be achieved,but the rated THiD values may not be achieved.Principle connection diagram of the Danfossharmonic filter.Legends (as used throughout this manual):U L: Line voltageI AHF : Input current of the filterAHFI FC,L: Input current to the fre-quency converterI M : Motor currentAHF 005/010MG.80.B5.02 - VLT ® is a registered Danfoss trademark 3Description