Results 61 to 70 of about 18,148 (205)

Distribution System Voltage Management and Optimization for Integration of Renewables and Electric Vehicles: Research Gap Analysis [PDF]

open access: yes, 2013
California is striving to achieve 33% renewable penetration by 2020 in accordance with the state’s Renewable Portfolio Standard (RPS). The behavior of renewable resources and electric vehicles in distribution systems is creating constraints on the ...
Arghandeh, Reza   +4 more
core  

Impacts of Voltage Control Methods on Distribution Circuit’s Photovoltaic (PV) Integration Limits

open access: yesInventions, 2017
The widespread integration of photovoltaic (PV) units may result in a number of operational issues for the utility distribution system. The advances in smart-grid technologies with better communication and control capabilities may help to mitigate these ...
Anamika Dubey
doaj   +1 more source

Power loss analysis and measurement of a high efficiency DC-DC converter for EV traction AC drives [PDF]

open access: yes, 2000
Previous works have shown the power design effectiveness of novel H-bridge-based DC-DC boost conversion structure, as well as the feasibility of real-time DC-link voltage adaptation to inverter load, in battery-supplied AC motor drives.
Fratta, Antonino   +3 more
core   +1 more source

Optimal allocation of electric vehicle charging stations and distributed generation in radial distribution networks

open access: yesEngineering Science and Technology, an International Journal
The widespread spread of electric vehicles requires the establishment of charging stations (EVCSs), and this is considered a large load on the network. This gives priority to distributing the stations in a way that reduces the load on the network, and in
Ismail A. Soliman   +3 more
doaj   +1 more source

Fuzzy Inference System for VOLT/VAR control in distribution substations in isolated power systems

open access: yes, 2014
This paper presents a fuzzy inference system for voltage/reactive power control in distribution substations. The purpose is go forward to automation distribution and its implementation in isolated power systems where control capabilities are limited and ...
Cerezo-Sanchez, J. M.   +3 more
core  

Space vehicle electrical system Patent [PDF]

open access: yes, 1965
Electrical power system for space flight vehicles operating over extended ...
Schwinghamer, R. J.
core   +1 more source

Improving DRAM Performance by Parallelizing Refreshes with Accesses

open access: yes, 2017
Modern DRAM cells are periodically refreshed to prevent data loss due to leakage. Commodity DDR DRAM refreshes cells at the rank level. This degrades performance significantly because it prevents an entire rank from serving memory requests while being ...
Alameldeen, Alaa R.   +6 more
core   +2 more sources

Simulation Research of Transient Over-voltage on High-voltage Shunt Capacitor Banks

open access: yesGaoya dianqi, 2011
With the development of power systems,a large number of shunt capacitors are used to improve power quality in the distribution network.The shunt capacitor banks are operated much frequently,as a result,the capacitor banks will bear large numbers of over ...
doaj  

Cause Identification of Electromagnetic Transient Events using Spatiotemporal Feature Learning

open access: yes, 2019
This paper presents a spatiotemporal unsupervised feature learning method for cause identification of electromagnetic transient events (EMTE) in power grids.
Arghandeh, Reza   +3 more
core  

Estimation of abnormal states in shunt capacitor banks using transient disturbance feature extraction

open access: yesFrontiers in Energy Research
Shunt capacitor banks are essential for reactive power compensation, ensuring voltage stability, and reducing system losses. These banks consist of multiple units with components in series and parallel.
Long Zhang   +6 more
doaj   +1 more source

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