Load analysis
Aerodynamic Optimization Design and Analysis of Aerodynamic Damping of Wind Turbine Blade
According to the structure and operational characteristics of large-sized horizontal axis wind turbine(HAWT),the aerodynamic optimization design,aerodynamic damping,loads calculation and dynamic stall etc.for large-sized HAWT are researched in this paper,by applying the aerodynamic theory and modem accurate Strip Theory of wind turbine.The main contents of this paper are following.The aerodynamic global optimization design method of the [...]
The Research on the Design of Ship A.C. Power System
The design principle and process of the marine electric power system have been written in this paper, which has been applied to the van container vessel C6600 that will be finished by DALIAN SHIP BUILDING INDUSTRY CO.,LTD. in 2010. The design spirit and detail calculation method stated here can be the important reference material for [...]
Research and Implementation of Load Analysis and Management System for 10kV Distribution Network
For power load is an important part of power system, it is significant to analyze the load characteristic for power system’s planning, analysis and operation. The analysis of load characteristic is helpful for operator to collect effective information, grasp the rules of the load variation and guide the load forecasting.Firstly, in this dissertation, the analysis [...]
Power System Load Analysis and Forecast
The power system load forecasting is a very important work in the power grid dispatching operation. The accuracy of the power system load forecasting has the immediate influence to security, efficiency and power quality of the power system operation.Firstly, this thesis has carried on the discussion to the power system load forecasting development and the [...]
Load Model and Simulation Studies of Shield Machine Oriented to Rectification Working Conditions
Shield method has become the major tunneling machine for the construction of underground space due to its advantages of environmental friendliness, wide application scope, low construction cost, etc. And it becomes more and more urgent to strengthen the research, development, production and application of shield machine and its technology. The trajectory rectification is an important [...]
Study on Rutting Development Rule of Jiqing Expressway Asphalt Pavement after Maintenance
Most freeways built early in our country are mostly coming into overhaul period. As the first freeway built in Shandong province, Jiqing Freeway is still under preferable situation. It delegates the semi-rigid pavement in damage styles and maintenance management. Compared with crack and water damage, rut does the most serious harm to the pavement, which [...]
Individual Pitch Control Study Based on Fuzzy PI Control
With the wind turbines’capacity and flexible increasing, it is important for us to solve the questions that how to make the wind turbine operation better above the rate rotation speed and reduce the wind turbine load. At present, the individual pitch control is one of solutions to fix up those questions.To make the wind turbine [...]
Solar Energy-Water Source Heat Pump Heating System of Auxiliary
To take full advantage of abundant solar energy resources and groundwater resources in Shenyang, we use low-temperature water source heat pump heating system solar heating. Flat-plate solar collector hot water heating, hybrid heat storage tank temperature heat storage, and low temperature water source heat pump system is composed of the auxiliary heat source.In this paper, [...]
Development and Research on Structural Design Software of Wind Turbine Blade
In order to reduce the blindness exist in past structural design of wind turbine blade,shorten the design cycle and improve the design quality, a turbine blade structural design software is developed and researched. The paper has analyzed the task of wind turbine blade structural design and data relationship of design software. By analyzing the relationship [...]
The Finite Element Analysis of the Structure and the Load of C-Tipper
Car dumper is an efficient and successive unloading bulk material equipment mainly used to unload railroad gondola car loaded special. Now, it’s widely used in the power plant, port terminals, steel cement and chemical industry enterprises all over the world. As the industry continues to increase the amount of coal transportation, workload of car dumper [...]