Noob question

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Can anyone tell me what does "EMC, VRD, PFC" stands for.Thanks
Reply:EMC= Emergency Medical CardVRD= Variable Radius DrillPFC= Private First ClassLast edited by Bistineau; 10-23-2015 at 12:07 PM.
Reply:PFC is also power factor correction.EMC is Electromagnetic CompatibilityLast edited by soutthpaw; 10-23-2015 at 12:01 PM.Tiger Sales:  AHP Distributor    www.tigersalesco.comAHP200x; AHP 160ST; MM350P,  Spoolmatic 30A; Everlast PowerTig 185; Thermal Dynamics 60i plasma.  For Sale:  Cobra Mig 250 w/ Push-pull gun.  Lincoln Wirematic 250
Reply:Variable Frequency Drive? A device converting AC to DC then back to a chosen frequency. This affords control of motor speed, torque, and heat. Typically, these devices include a bunch of other features such as reversing, soft starting, overload protection, etc.Power factor correction? Magnetic impedance causes the timing of AC voltage and current to get out of sync. PFC stores charge and gives it back to correct the problem.An optimist is usually wrong, and when the unexpected happens is unprepared. A pessimist is usually right, when wrong, is delighted, and well prepared.
Reply:VRD=Voltage reduction device.. Lowers the OCV in the Stick mode, before you strike the arc..Esab/Lorch ET-220iEsab 160i caddyThermal LM-200 Lincoln feedersThermal Pee-Wee 85sThermal 60i- 3phase /RPC powered (Beast)Thermal Drag-gun 35CINE 1500 Klutch 140i
Reply:I thought PFC was Perfect Fried Chicken. Before you ask, OCV is Open Circuit Voltage."USMCPOP" First-born son: KIA  Iraq 1/26/05Syncrowave 250 w/ Coolmate 3Dialarc 250, Idealarc 250SP-175 +Firepower TIG 160S (gave the TA 161 STL to the son)Lincwelder AC180C (1952)Victor & Smith O/A torchesMiller spot welder
Reply:Thanks for the help