A variable-frequency drive (VFD, or adjustable-frequency drives, adjustable-speed drives, variable-speed drives, AC drives, micro drives, inverter drives, or drives) is a type of AC motor drive (system incorporating a motor) that controls speed and torque by varying the frequency of the input electricity. Depending on its topology, it controls the associated voltage or current variation.
by Munshi Man October 31, 2023
Get the Variable Frequency Drive (VFD) mug.Is John ok, he looks like he needs an ambulance ?
No, he's used to this kind of thing, he's a frequent flyer.
No, he's used to this kind of thing, he's a frequent flyer.
by Dobby September 15, 2005
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A rash, scab, cut, or pain of the penis that is NOT STD related. It is merely a rash, burn, skin tear, or scab from repeated use of the penis during a period of time without allowing the penis proper rest. Mainly from excessive masturbation, having an inexperienced girlfriend, a sex crazed girlfriend, or having sex with a dry grandma.
When you think you have something similar to an STD but you know it is impossible (you are not getting any)... Thank god... some peace of mind, it is merely Frequency Burn!
by Lingo The Pharmacist March 30, 2009
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when someone chooses to add you as a friend on a social networking site such as MySpace. You are then notified of a new "friend request", the request to be added to your friends list.
when someone chooses to add you as a friend on a social networking site such as MySpace. You are then notified of a new "friend request", the request to be added to your friends list.
by justannoyme May 20, 2009
Get the frequest mug.1. To do something habitually or something that happens repeatedly in a short period of time
2. Make regular appearences at a place
2. Make regular appearences at a place
by warp June 25, 2004
Get the frequent mug.thc rich resin that accumulates on the inside of a pipe, bong or other peripheral used for smoking marijuana which can be collected (or "redeemed") in more substantial amounts as time passes.
Jeff's dealer wasn't picking up the phone so he decided to smash his pipe and redeem his frequent flyer miles.
And away he went.
And away he went.
by diplodocus February 14, 2007
Get the frequent flyer miles mug.Paul had High Frequency when his parents, wife, children and pastor came into the room to have their weekly chili dinner.
by Yum--cake balls February 25, 2011
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