Search Results - "Wheeler, P.W."

Predictive Current Control of an Induction Machine Fed by a Matrix Converter With Reactive Power Control by Vargas, R., Rodriguez, J., Ammann, U., Wheeler, P.W.

“…A different approach to perform the control of an induction machine fed by a matrix converter (MC) is presented in this paper. The proposed technique is based…”
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Matrix converters: a technology review by Wheeler, P.W., Rodriguez, J., Clare, J.C., Empringham, L., Weinstein, A.

“…The matrix converter is an array of controlled semiconductor switches that connects directly the three-phase source to the three-phase load. This converter has…”
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A Complete Harmonic Elimination Approach to DC Link Voltage Balancing for a Cascaded Multilevel Rectifier by Watson, A.J., Wheeler, P.W., Clare, J.C.

“…This paper presents a complete method that is used to balance dc link voltages in a cascaded H-Bridge (CHB) multilevel rectifier. Recently, such converters…”
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Feed-Forward Space Vector Modulation for Single-Phase Multilevel Cascaded Converters With Any DC Voltage Ratio by Leon, J.I., Vazquez, S., Watson, A.J., Franquelo, L.G., Wheeler, P.W., Carrasco, J.M.

“…Modulation techniques for multilevel converters can create distorted output voltages and currents if the DC-link voltages are unbalanced. This situation can be…”
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Three-Dimensional Feedforward Space Vector Modulation Applied to Multilevel Diode-Clamped Converters by Leon, J.I., Vazquez, S., Portillo, R., Franquelo, L.G., Carrasco, J.M., Wheeler, P.W., Watson, A.J.

“…Simplified space vector modulation (SVM) techniques for multilevel converters are being developed to improve factors such as the computational cost, number of…”
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Predictive Current Control for Multilevel Active Rectifiers With Reduced Switching Frequency by Zanchetta, P., Gerry, D.B., Monopoli, V.G., Clare, J.C., Wheeler, P.W.

“…In this paper, a new low-frequency predictive current control is proposed for a single-phase cascaded H-bridge multilevel rectifier. The control method has…”
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Control Design of a Three-Phase Matrix-Converter-Based AC-AC Mobile Utility Power Supply by Zanchetta, P., Wheeler, P.W., Clare, J.C., Bland, M., Empringham, L., Katsis, D.

“…This paper describes the control analysis and design of an ac-to-ac three-phase mobile utility power supply using a matrix converter capable of high-quality…”
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Elimination of Waveform Distortions in Matrix Converters Using a New Dual Compensation Method by Arias, A., Empringham, L., Asher, G.M., Wheeler, P.W., Bland, M., Apap, M., Sumner, M., Clare, J.C.

“…Matrix converters are becoming a real alternative to traditional topologies for many ac-ac power conversion applications. One of the less well-known advantages…”
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A 150-kVA vector-controlled matrix converter induction motor drive by Podlesak, T.F., Katsis, D.C., Wheeler, P.W., Clare, J.C., Empringham, L., Bland, M.

“…This paper describes the design, construction, and testing of a 150-kVA closed-loop vector-controlled matrix converter induction motor drive. The primary…”
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Enhancement of matrix converter output waveform quality using minimized commutation times by Wheeler, P.W., Clare, J., Empringham, L.

“…This letter introduces a new concept in current commutation for matrix converters that minimizes the commutation time and, hence, enhances the output waveform…”
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Use of a matrix converter to enhance the sensorless control of a surface-mount permanent-magnet AC motor at zero and low frequency by Arias, A., Silva, C.A., Asher, G.M., Clare, J.C., Wheeler, P.W.

“…This paper addresses the use of a matrix converter (MC) with high-frequency voltage injection for zero- and low-speed sensorless control of surface mount…”
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Harmonic Loss Due to Operation of Induction Machines From Matrix Converters by Wheeler, P.W., Clare, J.C., Apap, M., Bradley, K.J.

“…This paper quantifies the extra harmonic losses in an induction motor that are associated with the use of a matrix converter topology as a motor drive. These…”
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A Utility Power Supply Based on a Four-Output Leg Matrix Converter by Wheeler, P.W., Zanchetta, P., Clare, J.C., Empringham, L., Bland, M., Katsis, D.

“…A four-output leg matrix converter and a variable-speed diesel generator are integrated to create a three-phase plus neutral utility power supply. The matrix…”
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Optimized Commissioning Method for Enhanced Vector Control of High-Power Induction Motor Drives by Trentin, A., Zanchetta, P., Gerada, C., Clare, J., Wheeler, P.W.

“…This paper presents a method for improving the control design for a high-power induction motor (IM) drive employing rotor-flux-based orientation. An offline…”
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Development of a Predictive Controller for Use on a Direct Converter for High-Energy Physics Applications by Cook, D.J., Catucci, M., Wheeler, P.W., Clare, J.C., Przybyla, J.S., Richardson, B.R.

“…Recently, considerable interest has been shown in direct (matrix) converter topologies as an alternative to conventional motor drives. In general, when…”
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Gate drive level intelligence and current sensing for matrix converter current commutation by Wheeler, P.W., Clare, J.C., Empringharn, L., Bland, M., Apap, M.

“…This paper is concerned with the process of current commutation in matrix converters. The mechanisms involved in the commutation process are described and…”
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Multiphase Power Converter Drive for Fault-Tolerant Machine Development in Aerospace Applications by de Lillo, L., Empringham, L., Wheeler, P.W., Khwan-On, S., Gerada, C., Othman, M.N., Xiaoyan Huang

“…This paper describes an experimental tool to evaluate and support the development of fault-tolerant machines designed for aerospace motor drives. Aerospace…”
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Implementation of a Hybrid AC-AC Direct Power Converter With Unity Voltage Transfer by Wijekoon, T., Klumpner, C., Zanchetta, P., Wheeler, P.W.

“…This paper presents a novel hybrid direct power converter (HDPC) which overcomes the two main disadvantages of matrix converters: limited voltage transfer…”
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Experimental implementation of a multilevel converter for power system integration by Watson, A.J., Dang, H.Q.S., Mondal, G., Clare, J.C., Wheeler, P.W.

“…This paper presents an overview of a modular, multi-cellular converter for flexible power management of future electricity networks. The proposed converter is…”
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Comparison of Stray Load and Inverter-Induced Harmonic Losses in Induction Motors Using Calorimetric and Harmonic Injection Methods by Wenping Cao, Bradley, K.J., Clare, J.C., Wheeler, P.W.

“…This paper addresses two types of additional losses in induction motors. One is stray load loss resulting from loss segregation when induction motors operate…”
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