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This paper presents a predictive torque control (PTC) strategy for a three-level simplified neutral point clamped (3L-SNPC) inverter-fed interior permanent magnet synchronous motor drive. The motor torque is predicted from the stator currents and motor speed information. Then, the most appropriate voltage vector that minimizes the predetermined cost function and hence, the torque error is selected...
For Powerline Communications (PLC) between Medium Voltage (MV) and Low Voltage (LV) sections of power grids, passing the signals ‘through’ rather than ‘around’ transformers is always preferable in terms of costs and safety hazards. However, this decision is often based on the transfer characteristics of the isolated transformer, as there is no benchmark method of evaluating PLC signal losses on these...
Compared to the three-level neutral point clamped (3L-NPC) inverter, its simplified version, the 3L-SNPC, uses fewer switching devices to achieve a multi-level output. However, it offers fewer voltage vector selections, limiting its usefulness for motor drive applications. This issue is overcome through a proposed direct torque control (DTC) strategy utilizing the concept of virtual voltage vectors...
Textiles able to perform electronic functions are known as e-textiles, and are poised to revolutionise the manner in which rehabilitation and assistive technology is provided. With numerous reports in mainstream media of the possibilities and promise of e-textiles it is timely to review research work in this area related to neurological rehabilitation. This paper provides a review based on...
This paper proposes a novel resonant DAB converter, which uses a tuned capacitor-inductor-capacitor (CLC) network. In comparison to conventional DABs, the proposed topology significantly reduces the bridge currents, lowering both conduction and switching losses and improving power factors associated with the bridges. A mathematical model, which predicts the behavior of the proposed system, is presented...
This paper presents a novel dual active bridge (DAB) converter suitable for high power bidirectional power transfer. The converter topology comprises full bridge converters on each side linked by a tuned LCL network and a high frequency transformer, which provides galvanic isolation. According to theoretical analysis and simulations the addition of this resonant network significantly improves efficiency...
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