Precision current regulator for NMR electromagnets.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of magnetic resonance"
DOI: 10.1016/j.jmr.2020.106830
Abstract: When using electromagnets or non-persistent superconducting magnets, the field stability can be directly proportional to the current stability. We present here a simple design for a current regulator based upon a high-precision, dc-dc fluxgate transformer.… read more here.
Keywords: regulator nmr; current regulator; nmr electromagnets; precision current ... See more keywords
Sliding-Mode Flux-Weakening Control With Only Single Current Regulator for Permanent Magnet Synchronous Motor
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2932092
Abstract: A sliding-mode scheme using only a single current regulator for both speed and flux-weakening control has been proposed for permanent magnet synchronous motor. The scheme is simple and can effectively resolve problems faced by conventional… read more here.
Keywords: flux weakening; sliding mode; control; current regulator ... See more keywords
A Newly Designed VSC-Based Current Regulator for Sensorless Control of PMSM Considering VSI Nonlinearity
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2020.3033037
Abstract: A novel $d$ -axis variable-structure control (VSC) current regulator is proposed for realizing fast and accurate sensorless control in the surface-mounted permanent magnet synchronous motor (SPMSM) in this article. In this proposed regulator, the sigmoid… read more here.
Keywords: control; sensorless control; current regulator; tex math ... See more keywords
Improved Power Quality in a Solar PV Plant Integrated Utility Grid by Employing a Novel Adaptive Current Regulator
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2019.2958819
Abstract: Integration of solar photovoltaic plants into the distribution systems using various power processing units produces the harmonics that may cause malfunctioning of sensitive equipment connected to the point of common coupling. To overcome this drawback,… read more here.
Keywords: adaptive current; current regulator; power; novel adaptive ... See more keywords
Analysis and Applicability Comparison of Single Current Regulator Methods of PMSM Under Square-Wave Mode
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2023.3253950
Abstract: Single current regulator (SCR) control is a popular flux-weakening control for permanent magnet synchronous motor (PMSM), which can maintain the output voltage amplitude constant at the maximum value (suitable for square-wave mode), while providing well… read more here.
Keywords: scr; wave mode; square wave; single current ... See more keywords
Multigain Online Autotuning Technique-Based Discrete-Time Current Regulator for Permanent Magnet Synchronous Motors
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2023.3321112
Abstract: In this article, a multigain online autotuning technique-based discrete-time current regulator for permanent magnet synchronous motors is proposed. With the nominal current regulator in the proposed control scheme, the performance and robustness of the current… read more here.
Keywords: discrete time; permanent magnet; online autotuning; current regulator ... See more keywords