Results 21 to 30 of about 478,951 (296)

Distance Relay Over-reach Prevention by Impedance Starter Adjustment in: Ph-to-Ph Faults [PDF]

International Journal of Research and Technology in Electrical Industry, 2023
The protection of transmission and sub-transmission lines is conducted by overcurrent, line differential and distance protections among which the use of distance protection is very common.Mal-operation of protection equipment, including distance ...
Ehsan Karami, Ehsan Hajipour, Mehdi Vakilian   +2 more
doaj   +1 more source

Restricted Earth Fault Protection Maloperation in Power Transformers and Optimal Settings to Improve its Performance [PDF]

International Journal of Research and Technology in Electrical Industry, 2023
Power transformers are one of the main components of the power grids. Several main and back up protection relays are provided to protect them against different fault types.
Reza Talebi, Mohammad Hassan Moradi
doaj   +1 more source

Sectionalizing Switches Placement in Distribution Networks Using BTLBO [PDF]

International Journal of Research and Technology in Electrical Industry, 2023
Sectionalizing switches (SS) and lines play an essential role in improving the performance of the distribution automation system as well as reducing the outage duration of power grid customers. The operation of the sectionalizing switches and whether the
Saeed Fayyazi, Ehsan Azad Farsani
doaj   +1 more source

Design and Implementation of a Modified Boost Topology with High Voltage Ratio and Efficiency Besides the Lower Semiconductors Stresses [PDF]

International Journal of Research and Technology in Electrical Industry, 2023
This paper has designed an upgraded form of the boost topology. The voltage ratio of the traditional step-up topology has been increased in quadratic form.
Reza Sharifi Shahrivar, Hossein Gholizadeh, Ali Siadatan, Seyed Ebrahim Afjei   +3 more
doaj   +1 more source

Transmission Policy in the United States [PDF]

, 2006
This paper provides an overview of the development of electric power transmission access, pricing and investment policies in the U.S. over the last 15 years and evaluates the current state of those policies. It includes a discussion of pre-liberalisation

core   +2 more sources

Numerical Analysis and Modelling of Transmission Systems for Hybrid Electric Vehicles and Electric Vehicles [PDF]

Interest in hybrid electric vehicles (HEVs) and electric vehicles (EVs) has increased rapidly over recent years from both industrial and academic viewpoints due to increasing concerns about environmental pollution and global oil usage.
Ren, Qinglian
core   +5 more sources

Optimal Dispatchable DG Location and Sizing with an Analytical Method, based on a New Voltage Stability Index [PDF]

International Journal of Research and Technology in Electrical Industry, 2023
With the high penetration of DGS in the distribution network and its impact on the power loss and voltage profile of the network, the choice of location and the optimal size of the DG has become a challenge for utility companies.
Mohammad Aryanfar
doaj   +1 more source

Investigation of Reactive Power Provision and its Grid-Serving Effect by a Real Industrial Company in the Medium-Voltage Grid Based on a Field Trial Within the Q-REAL Research Project

Proceedings of: Tagung Zukünftige Stromnetze - Future Power Grids Conference
Providing reactive power to support the grid enables industrial companies equipped with conventional compensation systems (i.e. capacitor banks) to procure reactive power (Q) more efficiently and cost-effectively in the future.
Philipp Schweiberer, Oliver Brückl
doaj   +1 more source

Study on improvement of the utilization factor of a transmission network and increase in the amount of renewable energy introduction by hydrogen energy careers (Model example of the North-Hokkaido Wakkanai area)

Nihon Kikai Gakkai ronbunshu, 2019
In order to make an electric power of renewable energy source increase, development of a new transmission network is effective. However, it is because installation of a new transmission network takes a huge investment, operating technique regarding ...
Shin’ya OBARA
doaj   +1 more source

System Friendliness Reduces Infrastructure Costs in the Electricity System - How can System-Friendly Behaviour be Incentivised?

Proceedings of: Tagung Zukünftige Stromnetze - Future Power Grids Conference
We refer to "system friendliness" as the behaviour of decentralized actors, which helps decreasing the burden on the energy system. The system’s burden itself is the theoretical amount of infrastructure in terms of storage and grid capacities which is ...
Karoline Brucke, Sunke Schlüters, Karsten von Maydell   +2 more
doaj   +1 more source