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. When you commit to do something fun with your friends only to be told by your partner you have to change your plans.
by Daniel O’Rourke August 1, 2025
Get the Late variablesmug. Performing any sex move underwater
by Ohioveteran2035 March 27, 2024
Get the Aquatic Variablemug. Variables that occur when the two explanatory variables , x and z, have a collective causation effect on y. The difference between the two cannot be distinguished because there is not enough evidence to determine the validity of a statistical relationship.
Weight gain is greatly influenced by activity level, but age, the confounding variable, also plays an influential role on weight gain.
by YolandaSquatbike December 8, 2021
Get the Confounding Variablemug. You don't know how many consistent variables there are and if I had video evidence of a consistent variable that wasn't me you would hack the product ordering system of my place of employment and then all of the people I spoke about online would get fired or transferred within a month.
Hym "You're presupposing that there's only one consistent variable. You can't possibly believe there are not externally imposed circumstances. 'BuT yOu CaN't Do AnYtHiNg AbOuT tHoSe BeCaUsE iT cOuLd ReQuIrE mE tO dO sOmEtHiNg I dOn'T wAnT tO' Fucking garbage."
by Hym Iam December 30, 2023
Get the One consistent variablemug. A complex, multi-national algorithm that requantifies statistics based on the needs of the most nefariously inept.
One legged Timmy didn't have a chance in hell at being the worlds fastest man, until his SJW soccer mom petitioned the equality police. After they applied the Dominion variable, One legged Timmy IS the worlds fastest man!
by TheGman692000 January 7, 2021
Get the Dominion variablemug. the act of focusing on an appealing portion of a person's body with a general disregard for the undesirable regions
Steve: Could you isolate the variable on that?
John: You know it. She's huge, but those are some mighty fine sweater cows.
Bill: You see that?!?!
James: You serious? She's hideous.
Bill: C'mon you gotta isolate the variable.
James: You right. She needs to turn back around though.
John: You know it. She's huge, but those are some mighty fine sweater cows.
Bill: You see that?!?!
James: You serious? She's hideous.
Bill: C'mon you gotta isolate the variable.
James: You right. She needs to turn back around though.
by tmack41 December 7, 2011
Get the isolate the variablemug.