Transcription of Reactors - MTE Corporation
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Line Reactors1 MTE Corporation Line Reactors4 Purpose4 Harmonics Reduction4 Ratings ConsiderationsLine Reactors2 MTE CORPORATIONLine Reactors Increase DriveReliabilitylMinimize catastrophic drive failuresdue to transient over-voltageslMinimize nuisance over-voltage tripsdue to line transients: Utility power factor correction Switching large AC motor loads Switching large transformers High AC line conditionsLine Reactors3 MTE CORPORATIONLine Reactors Increase DriveReliability (cont)lMinimize line-side fuse operationduring unsymmetrical voltage sags: Utility system line-to-ground faults Unbalanced phase currentslReduce harmonicslImprove effective power factorLine Reactors4 MTE CORPORATIOND rive/Line Reactor Economics(480 VAC User Prices)10 HP AC Inverter$ 183810 HP Motor$ 552 Circuit Breaker$ 362 Safety Switch$ 105 Operator Control Station$ 307 Input Reactor NEMA I$ 218 Installation$ 1500 Total$ 4882 Line Reactors5 MTE CORPORATIONCost of CatastrophicFailur
Line Reactors 13 MTE CORPORATION Input Reactor Spec Each variable frequency drive must be equipped with an input reactor offering no less than 4.5% effective impedance at …
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