Search Results - "Hwachang Song"
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A Review on Power System Security Issues in the High Renewable Energy Penetration Environment
Published in Journal of electrical engineering & technology (01-11-2024)“…As one of the efforts to overcome the problem of climate change, increasing the share of renewable energy (RE) in the national energy mix has become intensive…”
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Special Issue on Recent Advanced Technologies on Renewable Energy (AFORE2021)
Published in Applied sciences (01-01-2023)“…One of the most important strategies for achieving the goal of a sustainable environment, according to the international climate action initiatives, is to…”
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Application of Battery Energy Storage Systems for Relief of Generation Curtailment in Terms of Transient Stability
Published in Energies (Basel) (01-07-2021)“…Maintaining transient stability is crucial in power system operation. Transient stability is mainly affected by the generation amount of the study region, as…”
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Coordination Control Strategy for AC/DC Hybrid Microgrids in Stand-Alone Mode
Published in Energies (Basel) (18-06-2016)“…Interest in DC microgrids is rapidly increasing along with the improvement of DC power technology because of its advantages. To support the integration process…”
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Analysis of overvoltage reactive power margin for future power systems with renewable energy generation
Published in Energy reports (01-10-2023)“…As modern power systems continue to adopt wide usage of Renewable Energy (RE) sources, the reliance on conventional generators is slowly reducing. Countries…”
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Optimal ESS Scheduling for Peak Shaving of Building Energy Using Accuracy-Enhanced Load Forecast
Published in Energies (Basel) (01-11-2020)“…This paper proposes an optimal Energy Storage System (ESS) scheduling algorithm Building Energy Management System (BEMS). In particular, the focus is placed on…”
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Distribution System State Estimation Using Model-Optimized Neural Networks
Published in Applied sciences (01-02-2022)“…Maintaining reliability during power system operation relies heavily on the operator’s knowledge of the system and its current state. With the increasing…”
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Dual Deep Learning Networks Based Load Forecasting with Partial Real-Time Information and Its Application to System Marginal Price Prediction
Published in Energies (Basel) (01-01-2020)“…Load power forecast is one of most important tasks in power systems operation and maintenance. Enhancing its accuracy can be helpful to power systems…”
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Handling Load Uncertainty during On-Peak Time via Dual ESS and LSTM with Load Data Augmentation
Published in Energies (Basel) (01-05-2022)“…This paper proposes a scheduling method of dual ESSs (Energy Storage Systems) for the purpose of reducing the peak load when there are sudden loads or…”
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State Estimation for DC Microgrids using Modified Long Short-Term Memory Networks
Published in Applied sciences (01-05-2020)“…The development of state estimators for local electrical energy supply systems is inevitable as the role of the system’s become more important, especially with…”
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An Operation Strategy of ESS for Enhancing the Frequency Stability of the Inverter-Based Jeju Grid
Published in Energies (Basel) (01-05-2022)“…As environmental pollution deteriorates, the acceleration of decarbonization worldwide is underway. Several countries, including Korea, are incorporating new…”
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Multi-Phase under Voltage Load Shedding Scheme for Preventing Delayed Voltage Recovery by Induction Motor Power Consumption Characteristics
Published in Applied sciences (01-07-2018)“…Since the proportion of IM loads is gradually increasing in today’s power systems, transient voltage collapse due to short-term voltage instability might…”
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An improved model-based interlink converter control design in hybrid AC/DC microgrids
Published in Energy reports (01-11-2022)“…In hybrid AC/DC microgrids, a bidirectional interlink converter (IC) connecting the AC subgrid and DC subgrid is controlled to manage proper power sharing…”
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Interlink Converter with Linear Quadratic Regulator Based Current Control for Hybrid AC/DC Microgrid
Published in Energies (Basel) (01-11-2017)“…A hybrid alternate current/direct current (AC/DC) microgrid consists of an AC subgrid and a DC subgrid, and the subgrids are connected through the interlink…”
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A Robust Suboptimal Current Control of an Interlink Converter for a Hybrid AC/DC Microgrid
Published in Energies (Basel) (01-06-2018)“…A hybrid AC/DC microgrid is established with the aim of exploiting numerous types of renewable energy to meet the needs of different loads. The microgrid is…”
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Determining Countermeasures against Fault Currents Using a Decomposition Method Based on Fuzzy Fault Level Constrained Optimal Power Flow
Published in Applied sciences (14-01-2019)“…This study applies a decomposed method to determine adequate countermeasures against excessive fault current levels in power systems. A set of candidate…”
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Continuation-based quasi-steady-state analysis
Published in IEEE transactions on power systems (01-02-2006)“…This paper presents continuation-based quasi-steady-state (CQSS) analysis to approximate the long-term evolution by tracing successive equilibrium points…”
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Smart Operation of HVDC Systems for Large Penetration of Wind Energy Resources
Published in IEEE transactions on smart grid (01-03-2013)“…The target for South Korea's domestic energy consumption is to increase the proportion of the total energy consumption supplied by renewable energy to 11% by…”
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Adaptive Disturbance Observer-Based Parameter-Independent Speed Control of an Uncertain Permanent Magnet Synchronous Machine for Wind Power Generation Applications
Published in Energies (Basel) (01-05-2015)“…This paper proposes a parameter-independent speed controller based on the classical cascade speed control strategy comprising an inner-loop current controller…”
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Implementation of talis and dc house system for rural areas in indonesia
Published in MATEC web of conferences (01-01-2018)“…In 2017, the aggregate electrification ratio in Indonesia has been achieving 92.8%. However, some rural areas such as in Maluku and Papua Islands still have…”
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