State of the art and prospects for the development of technology of atomic power plants powered by the water-moderated-water-cooled reactor VV�R-1000

1977 ◽  
Vol 42 (4) ◽  
pp. 326-333 ◽  
Author(s):  
N. N. Zorev
Keyword(s):  
Power Plants ◽  
State Of The Art ◽  
Atomic Power Plants

scholarly journals PCAN—Part-Based Context Attention Network for Thermal Power Plant Detection in Remote Sensing Imagery

2021 ◽  
Vol 13 (7) ◽  
pp. 1243
Author(s):  
Wenxin Yin ◽  
Wenhui Diao ◽  
Peijin Wang ◽  
Xin Gao ◽  
Ya Li ◽  
...  
Keyword(s):  
Remote Sensing ◽  
Power Plants ◽  
State Of The Art ◽  
Thermal Power ◽  
Image Interpretation ◽  
Remote Sensing Image ◽  
Thermal Power Plants ◽  
Average Precision ◽  
Deep Convolutional Neural Networks ◽  
Multi Scale

The detection of Thermal Power Plants (TPPs) is a meaningful task for remote sensing image interpretation. It is a challenging task, because as facility objects TPPs are composed of various distinctive and irregular components. In this paper, we propose a novel end-to-end detection framework for TPPs based on deep convolutional neural networks. Specifically, based on the RetinaNet one-stage detector, a context attention multi-scale feature extraction network is proposed to fuse global spatial attention to strengthen the ability in representing irregular objects. In addition, we design a part-based attention module to adapt to TPPs containing distinctive components. Experiments show that the proposed method outperforms the state-of-the-art methods and can achieve 68.15% mean average precision.

All-union Conference on the Preparation of Operating Personnel for Atomic Power Plants

1977 ◽  
Vol 42 (6) ◽  
pp. 587-588
Author(s):  
L. M. Voronin ◽  
G. N. Ushakov ◽  
V. M. Gordina
Keyword(s):  
Power Plants ◽  
Operating Personnel ◽  
Union Conference ◽  
Atomic Power Plants

State of the Art and Trends in the Design and Operation of High- and Low-Pressure Heaters for Steam Turbines at Thermal and Nuclear Power Plants in Russia and Abroad: Part 2. Heater Design and Operation Peculiarities

2020 ◽  
Vol 67 (11) ◽  
pp. 790-799
Author(s):  
Yu. M. Brodov ◽  
K. E. Aronson ◽  
A. Yu. Ryabchikov ◽  
M. A. Nirenshtein ◽  
I. B. Murmanskii ◽  
...  
Keyword(s):  
Nuclear Power ◽  
Power Plants ◽  
Nuclear Power Plants ◽  
State Of The Art ◽  
Low Pressure ◽  
Steam Turbines ◽  
Heater Design

Utilizing deactivated catalysts from the nitric oxide removal process for the fabrication of metal oxide/carbon supercapacitors

2019 ◽  
Vol 21 (3) ◽  
pp. 491-497 ◽  
Author(s):  
Jiseok Lim ◽  
Jungho Hwang ◽  
Jeong Hoon Byeon
Keyword(s):  
Nitric Oxide ◽  
Metal Oxide ◽  
Electrochemical Performance ◽  
Power Plants ◽  
State Of The Art ◽  
Current State ◽  
Thermoelectric Power Plants ◽  
Oxide Removal ◽  
Nitric Oxide Removal ◽  
Carbon Supercapacitors

The utilization of catalyst waste from nitric oxide removal at thermoelectric power plants for supercapacitor fabrication is proposed; the electrochemical performance of the resultant supercapacitors is comparable to that of current state-of-the-art supercapacitor systems.

State-of-the-Art of the Medium-Voltage Power Converter Technologies for Grid Integration of Solar Photovoltaic Power Plants

2019 ◽  
Vol 34 (1) ◽  
pp. 372-384 ◽  
Author(s):  
Md. Rabiul Islam ◽  
A. M. Mahfuz-Ur-Rahman ◽  
Kashem M. Muttaqi ◽  
Danny Sutanto
Keyword(s):  
Power Plants ◽  
State Of The Art ◽  
Power Converter ◽  
Grid Integration ◽  
Solar Photovoltaic ◽  
Medium Voltage ◽  
Photovoltaic Power

A State-of-the-Art CFD Setup for Axial Compressors: Details and Validation

2020 ◽  
Author(s):  
Lorenzo Cozzi ◽  
Filippo Rubechini ◽  
Andrea Arnone ◽  
Savino Depalo ◽  
Pio Astrua ◽  
...  
Keyword(s):  
Gas Turbines ◽  
Power Plants ◽  
State Of The Art ◽  
Secondary Flows ◽  
Operating Conditions ◽  
Tip Clearance ◽  
Cfd Modelling ◽  
Axial Compressors ◽  
Surge Margin ◽  
Wide Range

Abstract The overall fraction of the power produced by renewable sources in the energy market has significantly increased in recent years. The power output of most of these clean sources is intrinsically variable. At present day and most likely in the upcoming future, due to the lack of inexpensive and reliable large energy storage systems, conventional power plants burning fossil fuels will still be part of the energy horizon. In particular, power generators able to promptly support the grid stability, such as gas turbines, will retain a strategic role. This new energy scenario is pushing gas turbine producers to improve the flexibility of their turbomachines, increasing the need for reliable numerical tools adopted to design and validate the new products also in operating conditions far from the nominal one. Especially when dealing with axial compressors, i.e. machines experiencing intense adverse pressure gradients, complex flow structures and severe secondary flows, CFD modelling of offdesign operation can be a real challenge. In this work, a state-of-the art CFD framework for RANS analysis of axial compressors is presented. The various aspects involved in the whole setup are discussed, including boundary conditions, meshing strategies, mixing planes modelling, tip clearance treatment, shroud leakages and turbulence modelling. Some experiences about the choice of these aspects are provided, derived from a long-date practice on this kind of turbomachines. Numerical results are reported for different full-scale compressors of the Ansaldo Energia fleet, covering a wide range of operating conditions. Furthermore, details about the capability of the setup to predict compressor performance and surge-margin have been added to the work. In particular, the setup surge-margin prediction has been evaluated in an operating condition in which the turbomachine experiences experimental stall. Finally, thanks to several on-field data available at different corrected speeds for operating conditions ranging from minimum to full load, a comprehensive validation of the presented numerical framework is also included in the paper.

State of the Art and Trends in the Design and Operation of High- and Low-Pressure Heaters for Steam Turbines at Thermal and Nuclear Power Plants in Russia and Abroad: Part 1. Heater Types and Designs

2020 ◽  
Vol 67 (10) ◽  
pp. 685-698
Author(s):  
Yu. M. Brodov ◽  
K. E. Aronson ◽  
A. Yu. Ryabchikov ◽  
M. A. Nirenshtein ◽  
I. B. Murmanskii ◽  
...  
Keyword(s):  
Nuclear Power ◽  
Power Plants ◽  
Nuclear Power Plants ◽  
State Of The Art ◽  
Low Pressure ◽  
Steam Turbines

scholarly journals Legal Pathways to Coal Phase-Out in Italy in 2025

Energies ◽  
2020 ◽  
Vol 13 (21) ◽  
pp. 5605 ◽  
Author(s):  
Matteo Fermeglia ◽  
Paolo Bevilacqua ◽  
Claudia Cafaro ◽  
Paolo Ceci ◽  
Antonio Fardelli
Keyword(s):  
Power Plants ◽  
State Of The Art ◽  
Renewable Energy Sources ◽  
Energy Generation ◽  
Electricity Production ◽  
Coal Power Plants ◽  
Coal Power ◽  
Phase Out ◽  
Existing Data

This contribution aims to provide an in-depth outlook of the phase-out of coal-fired energy generation in Italy. In particular, this article analyzes the state-of-the-art with regard to both the current role of coal generation and the performance of the main legal and regulatory tools as implemented in Italy thus far to ensure the closure of all coal power plants by 2025 as announced in the Italian National Climate and Energy Plan. Based on existing data and scenarios on both electricity production and demand trends, this article unfolds the marginal role played by coal-fired generation in the Italian energy mix. In addition, this paper aims to highlight the outstanding technical uncertainties and regulatory hurdles in the way towards de-carbonization of energy generation in Italy. This paper argues that several remarkable improvements are needed in order to avoid over-generation (especially through natural gas), to upscale the penetration of renewable energy sources, and develop the necessary infrastructures to adequately deliver on the full phasing-out of coal within the expected timeframes.

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