Results 41 to 50 of about 24,585 (163)

Control algorythm of a smart grid device for optimal radial feeder load reconfiguration [PDF]

open access: yes, 2013
Secondary distribution network, generally speaking, performs as well as the performance of its LV feeders. The main problem a feeder is experiencing is the load unbalancing due to the stochastic nature of its individual single-phase loads: bigger losses ...
Jordaan, J A, Nicolae, D V
core   +3 more sources

Extending ballistic graphene FET lumped element models to diffusive devices [PDF]

open access: yes, 2012
In this work, a modified, lumped element graphene field effect device model is presented. The model is based on the "Top-of-the-barrier" approach which is usually valid only for ballistic graphene nanotransistors.
Canali   +39 more
core   +3 more sources

Development and Application of Power Quality Comprehensive Control Equipment with Active Power Transfer

open access: yesKongzhi Yu Xinxi Jishu, 2015
Power quality problems of negative sequence current, voltage fluctuation and low power factor in traction power supply system are caused by the high-speed electric railway’s unique power mode and complex operating conditions of electric locomotives ...
GONG Fen   +3 more
doaj  

A Novel Islanding Detection Method for Microgrid Using Complex Voltage Unbalance Factor

open access: yes
Abstract Accurate islanding detection is vital for grid stability, power system reliability and for sustainable energy practices. To address this, the paper introduces a novel technique, the Complex Voltage Unbalance Factor which is the ratio of negative and positive sequence voltage at the rate of angle.
SUDHEEKSHA MISRA, Bhola Jha, V. M Mishra
openaire   +1 more source

Voltage dip immunity of equipment and installations : messages to stakeholders [PDF]

open access: yes, 2011
This paper presents the messages to the stakeholders on voltage-dip immunity as extracted by UIE WG2 from CIGRE TB412 [1]. The paper summarizes the main recommendations from this technical brochure in the form of messages towards regulators, standard ...
Bollen, Math HJ   +6 more
core   +1 more source

Applying barycentric coordinates on balanced supply voltages triangle to zero sequence voltage estimate without phase measurements

open access: yesJournal of Physics: Conference Series, 2019
The paper offers a new vector-coordinate description for a complex-plane position of a neutral bias voltage phasor relevant to a three-phase circuit with an unbalanced load. It is assumed that no negative sequence voltage component is present, i.e.
N. Lopatkin
semanticscholar   +1 more source

Influence of Power Quality Problem on the Performance of an Induction Motor [PDF]

open access: yes, 2017
This paper presents the application of MATLAB® Simulink as a useful tool for predicting the performance of an induction motor. The influence of power quality problem on the performance of an induction motor is critically investigated.
Airoboman, A.E   +4 more
core   +1 more source

Study on factors influencing the unbalance of double-split parallel cable current carrying

open access: yesAIP Advances
In recent years, the transmission capacity of a single high-voltage cable has been unable to meet the growing load demand, and double-split parallel cables have become a necessary treatment to improve the transmission capacity requirements.
Jiayin Bian   +5 more
semanticscholar   +1 more source

Random Generation of Arbitrary Waveforms for Emulating Three-Phase Systems [PDF]

open access: yes, 2011
This paper describes an apparatus for generating a signal representative of steady-state and transient disturbances in three-phase waveforms of an ac electrical system as described in IEEE Std 1159-09.
García Delgado, Antonio   +5 more
core  

Doktrin pengasingan kuasa : falsafah, praktis dan kerelatifan di Malaysia [PDF]

open access: yes, 2020
Penulisan ini membincangkan tentang doktrin pengasingan kuasa berdasarkan kerangka teori institusionalisme. Doktrin ini dipraktiskan dalam trias politica atau politik tiga serangkai iaitu badan legislatif, eksekutif dan kehakiman.
Damin, Zahrul Akmal   +2 more
core  

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