Search Results - "Djokic, S. Z."

Wind modelling with nested Markov chains by Tagliaferri, F., Hayes, B.P., Viola, I.M., Djokić, S.Z.

“…Markov chains (MCs) are statistical models used in many applications to model wind speed. Their main feature is the ability to represent both the statistical…”
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Modelling of V–Hz and vector controlled ASDs in PSCAD/EMTDC for voltage sag studies by Vegunta, S.C., Milanović, J.V., Djokić, S.Ž.

“…This paper deals with modelling and performance of adjustable speed drives (ASDs) subjected to voltage disturbances in electric supply. The aim of this study…”
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Power Quality and Compatibility Levels: A General Approach by Djokic, S.Z., Milanovic, J.V.

“…A generalized approach for the assessment and description of compatibility levels between the power supply system and electrical equipment is proposed in this…”
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Renewable Generation in the London Built Environment by Simms, R. W, Djokic, S. Z, Murray, A. F

“…This paper critically reviews the current requirement for a 10% offset of carbon emission that should be obtained from on-site renewable and other…”
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Comparison of Two Modified Deterministic LSTM Models with a Probabilistic LSTM Model for a Day-Ahead Forecasting of Electricity Demands by Zhu, S., Yao, J., Djokic, S. Z.

“…This paper presents two simple modifications of a standard deterministic LSTM method, which are specifically implemented for the probabilistic day-ahead…”
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Evaluation and Comparison of Some Common Methods for Waveform Distortion Analysis by Yao, J., Judge, P., Djokic, S. Z.

“…This paper evaluates and compares commonly used methods for analysis of waveform distortions in power supply systems, including one new wavelet-based method…”
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Experimental and Analytical Evaluation of Equipment Sensitivity to DC Voltage Ripple and AC Voltage Sags by Yao, J., Zhu, S., Judge, P., Djokic, S. Z.

“…This paper presents results of experimental and analytical evaluation of equipment sensitivity to dc voltage ripple and ac voltage sag. The selected equipment…”
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Evaluation of Uncertainty and Error of LSTM-Based Day-Ahead Load Forecasting Models by Zhu, S., Zou, M., Djokic, S. Z.

“…Load forecasting is becoming increasingly important for planning and operational studies of electricity networks, which feature much higher levels of…”
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Comparison of Single-Stage and Two-Stage LSTM-Based Methods for Forecasting Electricity Demands and Prices by Zhu, S., Zou, M., Djokic, S. Z., Gunda, J., Papic, I.

“…This paper compares performance of long short-term memory (LSTM) based methods for single-stage and two-stage forecasting of electricity demands and prices. A…”
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Comparison of Isolated and Non-Isolated Multiple Input - Single Output DC-DC Converters for Low-Power Renewable Sources Integration by Soldado-Guaman, J., Herrera-Perez, V., Djokic, S.Z., Isa-Jara, R., Guevara-Cabezas, E., Hernandez-Ambato, J.

“…This paper presents a comparison of Isolated (Fly-back) and non-Isolated (Buck) multiple input-single output (MISO) DC-DC converters for the integration of…”
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Operational Performance and Stability Analysis of a Three-Phase Grid-Connected PV Inverter by Iqbal, Z., Djokic, S. Z., Yanchenko, S., Spelko, A., Papic, I., Stojanovic, Zeljko

“…This paper presents a detailed analysis of the performance and operational stability conditions of a three-phase commercially available grid-connected PV…”
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First Order Non-homogeneous Markov Chain Model for Generation of Wind Speed and Direction Synthetic Time Series by Di Giorgio, V., Langella, R., Testa, A., Djokic, S. Z., Zou, M.

“…This paper presents a non-homogeneous Markov Chain (MC) model for generation of wind speed (WS) and wind direction (WD) synthetic time series taking into…”
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Shortfalls of existing methods for classification and presentation of voltage reduction events by Djokic, S.Z., Milanovic, J.V., Chapman, D.J., McGranaghan, M.F.

“…This paper discusses the theoretical and practical aspects of various methodologies currently used for definition and characterization of voltage sags and…”
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Multi-Stage Congestion Management Considering Maximum Lead Time and Voltage-Dependent Load Models by Fang, D., Zou, M., Gunda, J., Harrison, G., Djokic, S. Z., Vaccaro, A.

“…This paper presents a multi-stage optimal power flow (OPF) approach for efficient management of contingencies, in which dynamic thermal models of overhead…”
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Probabilistic Component-Based Models for Harmonic Analysis of Generic Aggregate LED Lamp Loads by Guo, Z., Djokic, S. Z., Xu, X., Collin, A. J., Langella, R., Testa, A.

“…This paper proposes a methodology for improving the representation of component-based models intended for harmonic analysis of generic aggregate LED lamp loads…”
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Application of Voltage Harmonic Vector Method at the Interface between HV and MV Systems by Spelko, A., Papic, I., Testa, A., Langella, R., Djokic, S. Z.

“…An important operational aspect of modern grids is implementation of a continuous assessment of low-order harmonic emissions from customer installations. While…”
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Deterministic and Probabilistic Assessment of Distribution Network Hosting Capacity for Wind-Based Renewable Generation by Fang, D., Zou, M., Harrison, G., Djokic, S. Z., Ndawula, M. B., Xu, X., Hernando-Gil, I., Gunda, J.

“…This paper evaluates deterministic and probabilistic approaches for assessing hosting capacity (HC) of distribution networks for wind-based distributed…”
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Forecasting Aggregate GB Electricity Demand with Hybrid CNN and BiLSTM Methods in Stack and Parallel Structures and Temperature Dependency by Zhu, S. Z., Jedidia, S. J., Djokic, S. Z.

“…As many other countries, the Great Britain (GB) is in the midst of an energy transition towards more sustainable energy supply from renewable energy resources…”
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A new method for classification and presentation of voltage reduction events by Djokic, S.Z., Milanovic, J.V., Chapman, D.J., McGranaghan, M.F., Kirschen, D.S.

“…This paper describes a new method for classification and presentation of voltage sag and short interruption performance information for individual sites and…”
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Survey of harmonic emission of electrical vehicle chargers in the European market by Collin, A. J., Xiao Xu, Djokic, S. Z., Möller, F., Meyer, J., Kutt, L., Lehtonen, M.

“…This paper presents results of comprehensive tests of 18 different on-board electric vehicle battery chargers (EVBCs), representing the majority of currently…”
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