Search Results - "Ledwich, Gerard F"

Model Predictive Control Strategy for Residential Battery Energy Storage System in Volatile Electricity Market with Uncertain Daily Cycling Load by Dejan P. Jovanovic, Gerard F. Ledwich, Geoffrey R. Walker

“…This paper presents a control strategy for residential battery energy storage systems, which is aware of volatile electricity markets and uncertain daily…”
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Electricity Tariff Aware Model Predictive Controller for Customer Battery Storage with Uncertain Daily Cycling Load by Dejan P. Jovanovic, Gerard F. Ledwich, Geoffrey R. Walker

“…To optimally control the energy storage system of the battery exposed to the volatile daily cycling load and electricity tariffs, a novel modification of a…”
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FPGA implementation of an arbitrary resample rate, FOH, pulse width modulator by Broadmeadow, Mark A. H, Burstinghaus, Edward J, Walker, Geoffrey R, Ledwich, Gerard F

“…This study presents a field-programmable gate array implementation of an advanced pulse-width modulator which combines a first-order hold (FOH) with phase…”
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Integration of non-isolated DC–DC converters in battery storage systems – a topological exploration by Khanaki, Razieh, Walker, Geoffrey R, Broadmeadow, Mark A H, Ledwich, Gerard F

“…This paper presents a topological exploration and evaluation of modularised battery systems with integrated non-isolated DC–DC converters…”
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Modular and scalable control and data acquisition system for power hardware in the loop (PHIL) amplifiers by Broadmeadow, Mark A. H, Walker, Geoffrey R, Ledwich, Gerard F

“…This study presents a newly developed modular system for control of power electronic amplifiers in high-power, high-frequency power hardware in the loop…”
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SAIDI Constrained Economic Planning and Utilization of Central Storage in Rural Distribution Networks by Narimani, Afsaneh, Nourbakhsh, Ghavameddin, Arefi, Ali, Ledwich, Gerard F., Walker, Geoffrey R.

“…This paper forms a framework for allocating a central electric energy storage (EES) in discrete communities, forming as segmentations along the rural feeders,…”
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Decoupling of Current Balancing and Reference Tracking Control in Parallel Interleaved Converters by Jovanovic, Dejan P., Broadmeadow, Mark A. H., Taylor, Richard R., Walker, Geoffrey R., Ledwich, Gerard F.

“…An attractive approach to increasing the output power and bandwidth of converters is through the parallel connection of multiple, subrated converter cells via…”
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Reduced layer planar busbar for voltage source inverters by Zare, F., Ledwich, G.F.

“…Planar busbars are used widely in modern high power inverters and have been shown to provide a good way for minimizing stray inductance and overshoot voltage…”
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Adaptive repetitive control to track variable periodic signals with fixed sampling rate by Zhenwei Cao, Ledwich, G.F.

“…Recent research has shown that the repetitive control is very efficient in tracking periodic signals, where it is required that an integer number of samples in…”
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Impact of Inverter Distribution and Redundancy on Reliability of Battery-Integrated-Converter Systems by Khanaki, Razieh, Walker, Geoffrey R., Ledwich, Gerard F., Broadmeadow, Mark A.H.

“…The concept of modularizing battery storage systems by distributing DC-DC or DC-AC converters among battery module in the battery string brings several…”
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Non-linear effects in dielectric response measurments on oil paper insulated power transformers by Nielsen, Shawn D., Ledwich, Gerard F.

“…Dielectric response measurements are an important maintenance and diagnostic tool for large oil filled power transformers. Regardless of if the measurements…”
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On-line dielectric response measurements on oil paper insulated transformers by Nielsen, Shawn D., Xu Yang, Ledwich, Gerard F.

“…Dielectric response measurements are an important maintenance and diagnostic tool for large oil filled power transformers. There are numerous operational…”
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Switching period randomisation for multilevel converter modulation by Walker, Geoffrey R., Ledwich, Gerard F.

“…The spectral energy associated with the carrier and sidebands of naturally sampled carrier based PWM can be spread by randomising the carrier (switch)…”
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Phase accumulated carrier pulse width modulation by Walker, Geoffrey R., Broadmeadow, Mark A. H., Ledwich, Gerard F.

“…An alternative approach to digital PWM generation uses an accumulator rather than a counter to generate the carrier. This offers several advantages. The…”
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Hybrid Model for Very Short-Term Electricity Price Forecasting by Hamilton, Geoffrey, Abeygunawardana, Anula, Jovanovic, Dejan P., Ledwich, Gerard F.

“…It is expected that more and more grid connected renewable plants, coupled with energy storage, will be added to the Australian grid to meet the grid…”
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Distributed control scheme for a 5-level modular multilevel STATCOM by Adams, Stephan C., Broadmeadow, Mark A. H., Walker, Geoffrey R., Ledwich, Gerard F.

“…Multilevel Modular Cascade Converters (MMCC) can be used to provide higher effective switching frequencies and reduce harmonic distortion in classical…”
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Current-balancing technique for paralleled interleaved inverters with magnetically coupled inductors by Jovanovic, Dejan, Pezeshki, Houman, Broadmeadow, Mark A. H., Walker, Geoffrey R., Ledwich, Gerard F.

“…Coupled inductors can be used to connect cells in parallel in a voltage source inverter to increase both rated power and bandwidth. To successfully implement…”
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Comparative analysis of FPGA-based digital pulse width modulation techniques for multiphase DC-DC converters by Tahir, Muqadsa, Walker, Geoffrey R., Broadmeadow, Mark A. H., Bulmer, Steven M., Ledwich, Gerard F.

“…This paper proposes the development of a new digital pulse width modulation (PWM) scheme for aplication to both single phase and multiphase voltage regulation…”
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Advanced resampling techniques for PWM amplifiers in real-time applications by Burstinghaus, Edward J., Ledwich, Gerard F., Walker, Geoffrey R., Pezeshki, Houman, Broadmeadow, Mark A. H.

“…Regularly sampled pulse width modulation (PWM) has been a mainstay of the power electronics community since the advent of digital controllers. In this form of…”
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A high cell count cascade full bridge converter for wide bandwidth ultrasonic transducer excitation by Walker, Geoffrey R., Ghasemi, Negareh, Broadmeadow, Mark A. H., Ledwich, Gerard F.

“…A nine level modular multilevel cascade converter (MMCC) based on four full bridge cells is shown driving a piezoelectric ultrasonic transducer at 71 and 39…”
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