Direct Power Control of Pulsewidth Modulated Rectifiers Without DC Voltage Oscillations under Unbalanced Grid Conditions [PDF]
© 1982-2012 IEEE. Direct power control with space vector modulation (DPC-SVM) features simple structure, fast dynamic performance, and little tuning work.
Gao, J, Liu, J, Yang, H, Zhang, Y
core +1 more source
Grid voltage sensorless model-based predictive power control of PWM rectifiers based on sliding mode virtual flux observer [PDF]
© 2013 IEEE. In this paper, a grid voltage sensorless model predictive control is proposed based on a sliding mode virtual flux observer (SMVFO). The proposed SMVFO shows good inherent filtering capacity, and thus there is no high-frequency chattering ...
Liang, J, Wang, H, Yan, Z
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Aiming at the problems of large torque ripple in permanent magnet-assisted switched reluctance motor (PMa-SRM) under conventional voltage pulse width modulation (PWM) method.
Chaozhi Huang +3 more
doaj +1 more source
Sensorless Predictive Direct Power Control PDPC_SVM For PWM Converter Under Different Input Voltage Conditions [PDF]
In this paper, a new virtual flux (VF) based predictive direct power control (VF_PDPC) applied for three-phase pulse width modulation (PWM) rectifier is proposed.
Boukadoum, Ahcen +3 more
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A Lyapunov-Based Nonlinear Power Control Algorithm for Grid-Connected VSCs [PDF]
For grid-connected voltage-source converters (VSCs), it is commonly required that its power outputs can track the power references given by operators under various grid conditions.
Fan, Bo, Wang, Xiongfei
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Predictive-DPC Based on Duty Cycle Control of PWM Rectifier under Unbalanced Network [PDF]
This work proposes a predictive direct power control (P-DPC) technique of a PWM rectifier, based on a duty cycle control method, using a new definition of the instantaneous reactive power in the predefined cost function, able to operate under balanced ...
Hartani, Kada +2 more
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Cash‐holding Benefits and Their Influence on Seasoned Equity Offering Decisions
This study investigates the cash‐holding motivations of issuers with excess cash. It aims to explain why these issuers choose to accumulate even more cash through stock issuances rather than utilize their existing surplus. I assess three competing cash‐holding motivation hypotheses: whether issuers raise cash: (i) to fund the needs of future growth ...
Ebrahim Bazrafshan
wiley +1 more source
New Modeling and Improved Current Control Strategy to Eliminate the Impact of Synchronization Method and Parks Transformation for Grid-connected Four-leg PWM Inverter [PDF]
The synchronization method’s ability is one of the fundamental guarantees for the stability and accuracy of injected current control for grid-connected converter-based distribution resources. These synchronization methods, such as phase locked loop (PLL),
Al-Dwa , Ala Addin Mohammed +3 more
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A Comprehensive Review on Grid-forming Inverter: Potential and Future Trends [PDF]
There is growing commitment to phase-out the conventional fossil-fuel based power stations to decentralized power generation with high share of renewable energy sources that is based on low-emission to meet the various techno-economic, environmental and ...
ADAMU ABUBAKAR, SAMUEL YUSUF
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Optimal timing to assess exercise‐induced oxidative stress: A systematic review and meta‐analysis
Abstract There is a lack of consensus on optimal timing to assess redox biomarkers post‐exercise, limiting methodological standardisation and linking oxidative stress to physiology. We determined optimal post‐exercise oxidative stress assessment times using three redox biomarkers: glutathione, F2‐isoprostanes and protein carbonyls.
Chrysovalantis Stachteas +12 more
wiley +1 more source

