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检索条件"任意字段=IEEE/PES Power Systems Conference and Exposition"

共 26298 条记录，以下是81-90 订阅

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Data-Driven Outage Management Scheme for Enabling Resilience During Extreme Events

Data-Driven Outage Management Scheme for Enabling Resilience...

引用

Grid Edge Technologies conference & exposition (Grid Edge), ieee pes

作者： Surendra Bajagain Shiva Poudel Min Gyung Yu Monish Mukherjee Pacific Northwest National Laboratory Richland WA USA

ISBN: (数字)9798350352528

ISBN: (纸本)9798350352535

Extreme temperature events such as heatwaves and cold snaps can lead to scarcity scenarios due to generation shortfall and increased demand for electricity. This paper uses the integration of advanced metering infrastructure (AMI) data with an outage management system to develop a rolling outage scheme. The proposed data-driven rolling outage scheme aims to identify a group of customers that would be selectively served in a rolling fashion based on the curtailment requirements. Restoring all the customers at once at the end of the rolling outage period leads to a cold load pickup phenomenon. To address this, a cold load pick-up (CLPU) management scheme that restores customers in blocks is also proposed. The proposed approach is tested using a realistic co-simulation platform emulating the extreme event scenario during the Winter Storm Uri in Texas. Results demonstrate that introducing data-driven AMI-based analytics in rolling outages substantially enhances power utilization (by 41.8%), individual customer thermal comfort, and overall system operational resilience as compared to conventional feeder-based outages. The proposed CLPU management scheme restores the customers in blocks without increasing the restoration time beyond the CLPU settling time.

关键词： Costs Substations power demand Storms power distribution Thermal analysis Stress Thermal stresses Resilience Resistance heating

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Strategies and Solutions for Effective Peer-to-Peer Energy Trading in Modern Grids

Strategies and Solutions for Effective Peer-to-Peer Energy T...

引用

Grid Edge Technologies conference & exposition (Grid Edge), ieee pes

作者： Abdullah Al Mamun Badrul Chowdhury Department of Electrical and Computer Engineering University of North Carolina at Charlotte Charlotte USA

ISBN: (数字)9798350352528

ISBN: (纸本)9798350352535

This work presents a comprehensive study on the evolution of traditional energy trading towards a decentralized peer-to-peer (P2P) energy market, facilitated by the rise of distributed energy resources (DERs) and the increasing role of prosumers-entities capable of both producing and consuming energy. The paper explores the transformation of the classic, monopolistic energy market into a more dynamic P2P market, where prosumers can operate as both buyers and sellers depending on their energy surplus. This new market paradigm is categorized into three forms: fully decentralized P2P markets, community-based P2P markets, and hybrid P2P markets, each with unique mechanisms for energy trading and efficiency optimization. A significant portion of the study is devoted to studying the strengths and challenges of this different P2P structure and the current P2P trading challenges and their solutions strategies adopted by the research community. The research provides valuable insights and a critical assessment for further exploration in this field.

关键词： Supply and demand Focusing Market research Low carbon economy Peer-to-peer computing Distributed power generation Optimization

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Microgrid Building Blocks for Dynamic Decoupling and Black Start Applications

Microgrid Building Blocks for Dynamic Decoupling and Black S...

引用

Grid Edge Technologies conference & exposition (Grid Edge), ieee pes

作者： Samrat Acharya Priya Mana Hisham Mahmood Francis Tuffner Alok Kumar Bharati Pacific Northwest National Laboratory (PNNL) Richland WA USA

ISBN: (数字)9798350352528

ISBN: (纸本)9798350352535

Microgrids offer increased self-reliance and re-silience at the grid's edge. They promote a significant transition to decentralized and renewable energy production by optimizing the utilization of local renewable sources. However, to maintain stable operations under all conditions and harness microgrids' full eco-nomic and technological potential, it is essential to integrate with the bulk grid and neighboring microgrids seamlessly. In this pa-per, we explore the capabilities of Back-to-Back (BTB) converters as a pivotal technology for interfacing microgrids, hybrid AC/DC grids, and bulk grids, by leveraging a comprehensive phasor-domain model integrated into GridLAB-D. The phasor-domain model is computationally efficient for simulating BTB with bulk grids and networked microgrids. We showcase the versatility of BTB converters (an integrated Microgrid Building Block) by configuring a two-microgrid network from a modified ieee 13-node distribution system. These microgrids are equipped with diesel generators, photovoltaic units, and Battery Energy Storage systems (BESS). The simulation studies are focused on use cases demonstrating dynamic decoupling and controlled support that a microgrid can provide via a B TB converter.

关键词： Renewable energy sources Computational modeling Microgrids Switches Production systems modeling Frequency conversion Generators Frequency control Standards

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Modeling Techniques for VSC-Based HVDC Offshore Wind Farms: A Comparative Evaluation

Modeling Techniques for VSC-Based HVDC Offshore Wind Farms: ...

引用

Grid Edge Technologies conference & exposition (Grid Edge), ieee pes

作者： Deepi Singh Shreepooja Singh Fang Luo Department of Electrical and Computer Engineering Stony Brook University Stony Brook NY USA

ISBN: (数字)9798350352528

ISBN: (纸本)9798350352535

Offshore wind energy is rapidly expanding because of its ability to harness strong, consistent wind resources. However, as large-scale offshore wind farms (OWFs) grow, modeling these farms becomes increasingly complex due to intricate network configurations, a rising number of turbines, and advanced control strategies. This paper conducts a simulation-based comparative analysis of three modeling techniques-detailed, average, and phasor modeling (PM)-for Voltage Source Converter (VSC)-based High Voltage Direct Current (HVDC) offshore wind farms. The study uses a MATLAB/Simulink model of a VSC-based HVDC OWF as a case study to evaluate these modeling techniques. Each approach offers distinct advantages and trade-offs regarding computational complexity, accuracy, and simulation speed. By evaluating these methods, the analysis reveals their appropriateness for OWF assessments, aiding in the enhancement of design, operation, and grid integration for large-scale OWFs.

关键词： Analytical models Wind Wind energy Computational modeling HVDC transmission Wind farms Harmonic analysis Mathematical models power conversion Turbines

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Equitable Regional Load Curtailment Framework Considering Community Fairness and Line Congestion

Equitable Regional Load Curtailment Framework Considering Co...

引用

Grid Edge Technologies conference & exposition (Grid Edge), ieee pes

作者： Nirasha Bataduvaarachchi Demy Alexander Adithya Melagoda Arun Manoharan Visvakumar Aravinthan Al Tamimi Department of Electrical and Computer Engineering Wichita State University Wichita Kansas USA Transmission Planning & Policy Sunflower Electric Corporation Wichita Kansas USA

ISBN: (数字)9798350352528

ISBN: (纸本)9798350352535

High impact low frequency events could lead to longlasting power outages and catastrophic grid failures. To limit the impact of such events, as the last resort, system operators might enforce emergency load curtailment. This emergency curtailment focusses mainly on system level load serving capacity i.e., necessary generation with reserve margin. As such the existing load curtailment policies employed by regional transmission operators have been identified to have key limitations as they do not take consumer fairness and system operational reliability impacts into consideration. This work proposes a two-stage framework that considers system operability and customer fairness in the computation of transmission node level load curtailment. In the first stage, the required system level load curtailment is allocated to each node through fairness-based load curtailment share ratio that considers the node level loading, impact to node voltage and equity. The second stage focuses on operational reliability of the curtailment share from stage 1 by reallocating to resolve any line loading violation. The effectiveness of the proposed framework is evaluated using the ieee RTS 96 test system. The results highlight the importance of factoring both system operational impacts and consumer fairness in formulating emergency load curtailment policies.

关键词： Loading Load shedding power system reliability Reliability Resource management Monitoring

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ieee/pes 1991 International Joint power Generation conference and exposition

IEEE/PES 1991 International Joint Power Generation Conferenc...

引用

ieee/pes 1991 International Joint power Generation conference and exposition

The conference materials contain 8 papers. The topics covered include turbogenerator shaft torque monitoring, energy conservation, power generation optimal scheduling, interconnected power systems, hydrothermal power flow scheduling, power system stabilizers, marginal system costs of generating units, and dispatchability features in competitive bidding. All papers are abstracted and indexed separately.

关键词： Electric power systems

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Interleaved Switched-Inductor-Based SIPO Partial power Converter Module for Battery Management systems

Interleaved Switched-Inductor-Based SIPO Partial Power Conve...

引用

Annual ieee conference on Applied power Electronics conference and exposition (APEC)

作者： Fengwang Lu Henry Shu-Hung Chung Department of Electrical Engineering City University of Hong Kong China

ISBN: (数字)9798331516116

ISBN: (纸本)9798331516123

Given the diverse operating voltage range and different operating modes of the battery management system (BMS) within renewable energy systems and DC buses, there is a demand for a highly efficient up/down bidirectional converter. A modular-based and series-connected partial power converter (S-PPC) using an interleaved switched-inductor series-input-parallel-output (SIPO) structure is proposed. Each module is a dual active clamped flyback-derived (DACF) bidirectional DC-DC converter without output capacitor. A 2.4kW, 800V / 600V prototype with the efficiency of 98.79% has been built and evaluated. The experimental results are favorably compared with theoretical predictions.

关键词： Renewable energy sources Capacitors Battery management systems Prototypes Bidirectional power flow Switches DC-DC power converters Control systems power electronics

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Digital Filter Design for Point-on-Wave Sensors: Highlighting Frequency Response Limitations and Enhancing Grid Simulation Accuracy

Digital Filter Design for Point-on-Wave Sensors: Highlightin...

引用

Grid Edge Technologies conference & exposition (Grid Edge), ieee pes

作者： Aaron J. Wilson Bruce R. J. Warmack Ali Riza Ekti Suman Debnath Oak Ridge National Laboratory

ISBN: (数字)9798350352528

ISBN: (纸本)9798350352535

Data is proving to be the backbone of today's and, more importantly, tomorrow's grid. As the system changes and introduces fast-acting devices like power electronics, overall observability tends to decrease from the utility point-of-view. This can be mitigated by adding more high-fidelity sensors onto the grid, although this incurs a cost. These sensors are never ideal, and each have unique frequency responses that may influence the data produced. This may, in turn, impact the protection and control of the power grid. This paper presents a methodology of representing these point-on-wave sensors digitally by estimating digital-filter representations of them, thereby introducing means of improving the sensor models used in electromagnetic-transient (EMT) simulations. This may help with identifying potential high-frequency, sensor-induced distortions, and system resonance compensation. Three commercial-grade medium-voltage point-on-wave sensors are utilized in a lab environment to obtain experimental frequency responses with a frequency sweep, and it is shown that both Infinite Impulse Response (IIR) and Finite Impulse Response (FIR) filter representations may approximate these responses with varying degrees of accuracy, though each has their own strengths and weaknesses. It is found that, in general, FIR estimation better approximates these sensors than IIR estimation does.

关键词： Finite impulse response filters Resonant frequency Estimation IIR filters Distortion power grids Resonance Frequency response Sensors Distortion measurement

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A Hybrid Switched Capacitor Converter Enabling Capacitive-Based Wireless power Transfer for Battery Charging Applications

A Hybrid Switched Capacitor Converter Enabling Capacitive-Ba...

引用

Annual ieee conference on Applied power Electronics conference and exposition (APEC)

作者： Jade Sund Samantha Coday Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology

ISBN: (数字)9798331516116

ISBN: (纸本)9798331516123

This work investigates the feasibility of employing hybrid switched capacitor converters in wireless battery charging applications. A capacitively-isolated hybrid Dickson converter designed for use in low-power volume-constrained wireless power transfer applications is presented. The converter analysis, operation and design are detailed. Finally, a hardware prototype is presented and experimental results validate wireless power transfer, across varying load and gap distances.

关键词： Wireless communication Capacitors Prototypes Wireless power transfer Switches Voltage Resonant converters Hybrid power systems Hardware Batteries

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Innovation Active Gate Drive method (named TriC3™) for MOSFET heat reduction and EMI

Innovation Active Gate Drive method (named TriC3™) for MOSF...

引用

Annual ieee conference on Applied power Electronics conference and exposition (APEC)

作者： Hisashi Sugie ROHM Co. Ltd. Yokohama Japan

ISBN: (数字)9798331516116

ISBN: (纸本)9798331516123

An innovative Active Gate Drive method (TriC3™) that suppresses EMI and reduces heat generation of MOSFET power devices in motor drive systems has been developed. TriC3™ achieves these functions by monitoring various voltages around the MOSFET power device and using this voltages information to intelligently control the gate drive current of the MOSFET power device. On an actual motor system, TriC3™ has been proven to lower EMI and measurements have shown that heat generated by the MOSFET power devices can be reduced by 35% compared to conventional constant current drive with the same EMI level.

关键词： Heating systems MOSFET Technological innovation Electromagnetic interference Switches Logic gates Motors Gate drivers Sensors Voltage control

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