نتایج جستجو برای: substation expansion planning

تعداد نتایج: 339737  

2012
Mike Mekkanen Reino Virrankoski Mohammed Elmusrati Erkki Antila

During the last years utilities have been facing a strong trend towards new technologies and standards. The most significant task is to fundamentally transform the capabilities and bring new solutions that support better power quality supply. Standardization solution IEC 61850 in terms of protection, monitoring and control functions is a promising solution that provides a great impact on substa...

2013
Krishan Arora

The growth of a country is scaled by the amount of energy it consumes. In the developing India, with the rise of population, increasing number of cities and demanding villages, caused to set up transmission lines with higher capacity. Inter-ties were connected through the transmission lines to lighten every city and village, thus making the whole system complex. This complex system required a r...

Journal: :CoRR 2018
Kang Li Xiaoguang Zhao Jiang Bian Min Tan

Surveillance is very essential for the safety of power substation. The detection of whether wearing safety helmets or not for perambulatory workers is the key component of overall intelligent surveillance system in power substation. In this paper, a novel and practical safety helmet detection framework based on computer vision, machine learning and image processing is proposed. In order to asce...

Journal: :Frontiers in Energy Research 2022

Recently, a lot of renewable energy sources have been integrated into the distribution network. In consideration economy and construction feasibility, some are required to be installed in specific areas. this paper, bi-layer network planning optimization model that considers geographical restrictions installation locations substation, pumped storage plant, photovoltaic (PV) wind power, as well ...

2011
M. Kezunovic

Whenever a fault or disturbance in a power system occurs several IEDs are triggered and several data recordings are generated. Automated processing and analysis of substation disturbance data is an effective way to filter important information from the collected data and convert the extracted information into knowledge. Configuring automated analysis systems to allow for efficient data integrat...

2014
Andreas Ritter Ulrich Straumann Uwe Riechert Christian M Franck

The ability to transfer load currents between parallel busbars is one of the main requirements for most disconnector switches in gas insulated as well as air insulated substations today. As such, the capability limits and testing methods are internationally standardized in IEC 62271-102. The test circuit dictated in this standard is the Thévenin equivalent of the high current, power frequency a...

In this paper, a new strategy based on a dynamic (time-based) model is proposed for expansion planning of electrical energy distribution systems, taking into account distributed generation resources and advantage of the techno-economic approach. In addition to optimal placement and capacity, the proposed model is able to determine the timing of installation / reinforcement of expansion options....

Gas-insulated substations (GIS) have different specifications in proportion to air-insulated substations. Transformer failures related to lightning and switching are often reported in the gas insulated substation (GIS). This problem is the voltage magnifications due to reflections of switching and lightning surges at various junctions within the GIS. thereby overvoltages in GIS are more importa...

Journal: :Energy and Power Engineering 2012

Journal: :IEEE Transactions on Power Systems 2017

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