Specifications

Maxiva ULX Series
November 11, 2013
d‐3
888‐2628‐300 WARNING:Disconnectprimarypowerpriortoservicing.
Copyright©2013,HarrisBroadcast
gytoagreatextent.Thisdoesnottotallyeliminatetheproblembecausetherearecurrents
travelingintheearth,whichprefertotravelonthemetalconductors,whenlightningstrikes
closetothestation.
5. Surge.Arapidincreaseinvoltageonthepowerlinesusuallycausedbylightning.Thedura‐
tionislessthan1/2cycleandcanbeverydestructive.
Remedy‐Transientprotectorsareveryeffectiveinpreventingdamagetotheequipment
whenproperlydesignedandinstalled,See
Figured‐6.
Figure d-3 Regulators for Delta and 4-Wire WYE systems
Table d-1 Significant Lightning Stroke Characteristic
ChargeRange 2to200coulombs
PeakCurrents 2,000to400,000Amperes
RiseTimeto90% 300Nanosecondsto10Microseconds
Durationto50% 100Microsecondsto10Milliseconds
PotentialEnergyat99% 1010Joules*
*Onlyasmallportionismanifes tedinasurge,usuallylessthan10,000
Joules.