Journal of Modern Power Systems and Clean Energy
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Application of new directional logic to improve DC side fault discrimination for high resistance faults in HVDC grids
Journal of Modern Power Systems and Clean Energy - Tập 5 - Trang 560-573 - 2017
This paper proposes a simple and fast way to determine the direction of a fault in a multi-terminal high voltage direct current (HVDC) grid by comparing the rate of change of voltage (ROCOV) values at either side of the di/dt limiting inductors at the line terminals. A local measurement based secure and fast protection method is implemented by supervising a basic ROCOV relay with a directional ele...... hiện toàn bộ
Smart inverter operation in distribution networks with high penetration of photovoltaic systems
Journal of Modern Power Systems and Clean Energy - Tập 3 - Trang 504-511 - 2015
With the growing number and capacity of photovoltaic (PV) installations connected to distribution networks, power quality issues related to voltage regulation are becoming relevant problems for power distribution companies and for PV owners. In many countries, like Italy, this has required the revision of the standards concerning the connection to the public distribution network of distributed ren...... hiện toàn bộ
Multi-agents modelling of EV purchase willingness based on questionnaires
Journal of Modern Power Systems and Clean Energy - Tập 3 - Trang 149-159 - 2015
Traditional experimental economics methods often consume enormous resources of qualified human participants, and the inconsistence of a participant’s decisions among repeated trials prevents investigation from sensitivity analyses. The problem can be solved if computer agents are capable of generating similar behaviors as the given participants in experiments. An experimental economics based analy...... hiện toàn bộ
Network transition security for transmission switching
Journal of Modern Power Systems and Clean Energy - Tập 7 - Trang 1105-1114 - 2019
The smart grid with flexible topologies receives intensive attention recently. Transmission switching (TS) alters the power system topology during operation, and has been demonstrated for the advantage of economic and secure operation of power systems. TS includes a chain of sequential switching actions which bring disturbances to the system if the switching actions are not properly designed. Unfo...... hiện toàn bộ
FLECH: A Danish market solution for DSO congestion management through DER flexibility services
Journal of Modern Power Systems and Clean Energy - Tập 2 - Trang 126-133 - 2014
Future electric power systems will face new operational challenges due to the high penetration of distributed energy resources (DERs). In Denmark, distribution system operator (DSO) expects a significant congestion increased in distribution grids. In order to manage these congestions and mobilize the DERs as economically efficient as possible in the future distribution grid, the brand new notion o...... hiện toàn bộ
Challenges and progresses of energy storage technology and its application in power systems
Journal of Modern Power Systems and Clean Energy - Tập 4 Số 4 - Trang 519-528 - 2016
As a flexible power source, energy storage has many potential applications in renewable energy generation grid integration, power transmission and distribution, distributed generation, micro grid and ancillary services such as frequency regulation, etc. In this paper, the latest energy storage technology profile is analyzed and summarized, in terms of technology maturity, efficiency, scale, lifesp...... hiện toàn bộ
Multi-area distributed three-phase state estimation for unbalanced active distribution networks
Journal of Modern Power Systems and Clean Energy - Tập 5 Số 5 - Trang 767-776 - 2017
Optimal microgrid planning for enhancing ancillary service provision
Journal of Modern Power Systems and Clean Energy - Tập 7 - Trang 862-875 - 2019
Microgrids have presented themselves as an effective concept to guarantee a reliable, efficient and sustainable electricity delivery during the current transition era from passive to active distribution networks. Moreover, microgrids could offer effective ancillary services (AS) to the power utility, although this will not be possible before the traditional planning and operation methodologies are...... hiện toàn bộ
Observer based sliding mode frequency control for multi-machine power systems with high renewable energy
Journal of Modern Power Systems and Clean Energy - Tập 6 - Trang 473-481 - 2018
With the global consciousness of climate change, renewable energy systems are prioritized over the conventional energy systems. The deep injection of renewables into the power systems is creating several challenges to the grid due to wide variations in their output power depending on the time of the day, weather etc. Of these challenges, frequency change plays a vital role in maintaining the power...... hiện toàn bộ
Architecture and performance analysis of a smart battery charging and swapping operation service network for electric vehicles in China
Journal of Modern Power Systems and Clean Energy - Tập 3 - Trang 259-268 - 2015
In recent years, the Chinese government and State Grid Corporation of China (SGCC) have paid great attention to the technical development and infrastructure construction for electric vehicles (EVs). This paper focuses on the mechanism of Smart Battery Charging and Swapping Operation Service Network for EVs including its overall architecture and operational mode. The overall architecture based on t...... hiện toàn bộ
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