Search results
Results from the WOW.Com Content Network
Space vector modulation (SVM) is an algorithm for the control of pulse-width modulation (PWM), invented by Gerhard Pfaff, Alois Weschta, and Albert Wick in 1982. [1] [2] It is used for the creation of alternating current (AC) waveforms; most commonly to drive 3 phase AC powered motors at varying speeds from DC using multiple class-D amplifiers.
Thus, a of zero indicates that the system is balanced (and thus exists entirely in the alpha-beta coordinate space), and can be ignored for two coordinate calculations that operate under this assumption that the system is balanced. This is the elegance of the clarke transform as it reduces a three component system into a two component system ...
From the end of 1990s several papers have been published about DTC and its modifications such as space vector modulation, [20] which offers constant switching frequency. In light of the mid-2000s expiration of Depenbrock's key DTC patents, it may be that other companies than ABB have included features similar to DTC in their drives. [citation ...
Space vector modulation is a PWM control algorithm for multi-phase AC generation, in which the reference signal is sampled regularly; after each sample, non-zero active switching vectors adjacent to the reference vector and one or more of the zero switching vectors are selected for the appropriate fraction of the sampling period in order to ...
Space vector modulation, in power electronics, a modulating technique to give power to a load; Support vector machine, a machine learning algorithm; Stroboscopic effect visibility measure (SVM), a measure for assessing a type of temporal light artefacts
Jeff Stotts of InStreetClothes.com has been publicly tracking injuries longer than anyone in the NBA space. By his count, the numbers are swelling league-wide, not just with the household names ...
Inspired by Roswell's extraterrestrial history, the interior of the spaceship contains a space-themed play area. This McDonald's restaurant in Kristiansand, Norway, was converted from an old bank ...
Tedros said at the time that the WHO needed to give the U.S. time and space for the transition. He also voiced confidence that states could finalize a pandemic agreement by May 2025.