Mathematical Model of Oceanographic Buoy Solar Energy Power Source Design Based on Double Batteries

2013 ◽  
Vol 740 ◽  
pp. 782-786
Author(s):  
Guo Liang Zou ◽  
Xin Nan Lou
Keyword(s):  
Mathematical Model ◽  
Solar Energy ◽  
Power Supply System ◽  
Supply And Demand ◽  
Power Source ◽  
Supply System ◽  
Rainy Weather ◽  
The Mathematical Model ◽  
Engineering Projects ◽  
Rainy Days

To implement the objective of steady operation of the marine observation buoy system on the sea throughout the year,based on energy balance between supply and demand, this paper presents the mathematical model of solar energy power supply system derived from double batteries switching technology. The batteries are divided into main batteries and auxiliary batteries. The main batteries are used regularly and the auxiliary batteries are used in periodic rainy weather. The main advantage of this model is that the capacity of auxiliary batteries can be dynamic calculated based on the numbers of maximum continuous rainy days and minimum intervals between rainy days. The batteries capacity is sufficient but not redundant. This design project has been tested on marine buoy and the accuracy of the model is splendid for most engineering projects.

Analysis of mathematical models of transmission lines.

2020 ◽  
Vol 23 (2) ◽  
pp. 16-19
Author(s):  
G. SHEINA ◽  
Keyword(s):  
Mathematical Model ◽  
Power Systems ◽  
Transmission Lines ◽  
Power Supply ◽  
Power Supply System ◽  
Power Transmission ◽  
Supply System ◽  
Power Lines ◽  
Power Transmission Lines ◽  
The Mathematical Model

This paper investigates a mathematical model of one elements of the power supply system - power transmission lines. The type of models depends on the initial simplifications, which in turn are determined by the complexity of the physics of processes. The task of improving the accuracy of modeling of emergency processes in the power system is due to the significant complexity of modern power systems and their equipment, high-speed relay protection, automation of emergency management and the introduction of higher-speed switching equipment. One of the reasons for a significant number of serious emergencies in the system is the lack of complete and reliable information for modeling modes in the design and operation of power systems. The development of a mathematical model of a three-phase power line, which provides adequate reflection of both normal and emergency processes, is relevant. The advanced mathematical model of power transmission lines allows to investigate various operational modes of electric networks. The improved mathematical model of the power transmission line reflects all the features of physical processes at state modes and transient process and provides sufficient accuracy of the results. The type of mathematical model of power transmission lines depends on the accepted simplifications, depending on the task of research. The purpose of this work is to analyze the mathematical model of the power transmission line to study the modes of operation of the power supply system, with the possibility of its application to take into account all the design features of overhead and cable power lines. The mathematical model of the power line for the study of the modes of operation of the power supply system is analyzed. It is used to take into account the design features of overhead and cable power lines, skin effect.

scholarly journals Optimization of the power supply system for connection of the end user to electric grids according to the scheme of the third category of reliability

2018 ◽  
Vol 58 ◽  
pp. 02011
Author(s):  
Ivan Bandurin ◽  
Alexey Khaimin
Keyword(s):  
Mathematical Model ◽  
Power System ◽  
Power Supply ◽  
Power Supply System ◽  
Supply System ◽  
End User ◽  
The Third ◽  
Electric Grids ◽  
The Mathematical Model ◽  
Optimal Type

The article first developed a mathematical model of optimization of the power supply system for connection of the end user to electric grids according to the scheme of the third category of reliability. The mathematical model allows to choose the optimal type and brand power system equipment.

THE PHYSICAL BASIS OF THE MATHEMATICAL MODEL OF THE POWER SUPPLY SYSTEM INDUSTRIAL ENERGY CONSUMERS

2016 ◽  
Vol 21 (97) ◽  
pp. 62-69
Author(s):  
Aleksandr I. Dorochenko ◽  
◽  
Galina A. Drobot ◽  
Maksim S. Levakin ◽  
◽  
...  
Keyword(s):  
Mathematical Model ◽  
Power Supply ◽  
Power Supply System ◽  
Supply System ◽  
Physical Basis ◽  
Industrial Energy ◽  
The Mathematical Model

scholarly journals The problems of using Autonomous power plants based on induction machines with short-circuit rotor

2016 ◽  
Vol 12 (3) ◽  
pp. 97-103
Author(s):  
Alexander G Scherbakov ◽  
Olga V Arkhipova
Keyword(s):  
Mathematical Model ◽  
Power Supply ◽  
Power Plants ◽  
Power Supply System ◽  
Short Circuit ◽  
Induction Machines ◽  
Supply System ◽  
Software Product ◽  
Asynchronous Generator ◽  
The Mathematical Model

This article describes the mathematical model of the Autonomous power supply system based on asynchronous generator and the description of a software product that implements the proposed mathematical model.

The Study on Heating Running Schemes of Solar Energy Combined with Municipal Heating

2013 ◽  
Vol 790 ◽  
pp. 160-164
Author(s):  
Yong An Ao ◽  
Gang Li ◽  
Wei Xin Kong ◽  
Qi Feng
Keyword(s):  
Mathematical Model ◽  
Solar Energy ◽  
Water Temperature ◽  
Solar Collector ◽  
Heat Load ◽  
Environmental Benefits ◽  
Combination System ◽  
Save Energy ◽  
The Mathematical Model ◽  
Heat Amount

The research, based on combination system of solar energy and municipal heating network, studied the running scheme of combination system of solar energy and municipal heating network through ways of experiments and theoretical calculation of the mathematical model. Firstly, the research established mathematical model of heat equilibrium of the combination system of solar energy and municipal heating network; secondly, keeping the indoor heat load steady, compared the dynamic heat load provided by solar collector with that needed by heated room at the same time,determined time spans of the network stopping service and the heat load added by the network within 24 h. In the research we took a heating period in a typical room in Shenyang for example, under the conditions of low temperature floor radiant with heating index standard of 50W/ m2 and 50°C of the average supplied water temperature, 40 °C of the return water temperature, calculated and verified the established mathematical model. The results include: when the heat load provided by solar collector is greater or less than the heat needed by the room, how many heat amount should be supplied by the running network and the amount of water flow within the network pipes correspondingly, and how long the network runs or stops. The final conclusions include: whether the running scheme of the combination system can save energy? the conditions of energy saving in running a combination system, and whether the system can bring environmental benefits.

The Design of High Voltage DC Power Supply of 4.6GHZ/500MW LHCD

2011 ◽  
Vol 135-136 ◽  
pp. 1027-1036 ◽  
Author(s):  
Xu Hao ◽  
Yi Yun Huang
Keyword(s):  
Steady State ◽  
Power Supply ◽  
Power Supply System ◽  
Heating System ◽  
Power Source ◽  
Supply System ◽  
Current Drive ◽  
Lower Hybrid ◽  
Dc Power ◽  
Lower Hybrid Current Drive

The steady-state and transient performances of the power supply system of LHCD (Lower Hybrid Current Drive) heating system are highly demanded which makes it difficult to design the power source. In this thesis, the method of designing the 4.6GHZ/6MW power source of LHCD of EAST is discussed. And the results of the experiment are provided and some special characteristics are analysed to prove the accuracy of the method.

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