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1、 毕业论文题目: 风力太阳能混合 发电控制系统的研究 学生姓名: 专业名称: 机械设计制造及其自动化 指导教师: 2011年2月3日Energy Management System of Admixture Electricity-generating1. One preface The admixture that wind force and solar cells generate electricity to constitute generates electricity the system and is called the breeze/ light to repair the
2、 system with each other, all having some common weakness because of the breeze and solar energies, such as the energy density low, the stability is bad and is subjected to the weather influence not to continue, have the strong weak conjugation, solar energy of seasonal to interrupted etc. day and ni
3、ght. Be generate electricity by the wind force and solar energy respectively to the power supply, the credibility of its power supply lowers consumedly.The wind energy, solar energy has to repair sex with each other certainly, if the sun light of daytime is strong, the night breeze is many, the summ
4、er sunshine good, the breeze is weak; The spring stanza breeze of winter is strong but the sunlight is opposite weaker. Develop the wind force a solar energy to supply again to give or get an electric shock the system with each other, take into wind force and the solar energy techniques to synthesiz
5、e the exploitation, thus constitute a kind of repair with each other of can scatter the new energy that cloth order, will is a new growth to order in this energy structure of century. Have the condition pass the storage battery of match the appropriate capacity or connect into the city to give or ge
6、t an electric shock the conduct and actions back up power supply, can make circulate the expenses to lower consumedly, huge exaltation of the credibility of the power supply.Local mainly generate electricity to independent wind power, the light currently and the breeze a light supplies again the res
7、earch of the electricity control system with each other more. In design the breeze a light generate electricity system, the design way of thinking of the widespread adoption according to load everyday total to consume the electricity quantity, and radiate the quantity from the day that the local wea
8、ther data get to the capacity of the certain solar cell array, the wind power machine, then come certain can the renewable energy generate electricity the power and the storage battery capacities of control the devices, but at mix with the movement of generate electricity the system control and exce
9、llent turn the research of manage the method less. Because the exportation power and the burden powers of the breeze electrical engineering set, the solar cell array is affect by the outside factor, changing the scope to compare greatly, as a result turned the energy of generate electricity the syst
10、em management to also put forward the higher request towards control and excellently. This text aims at the movement efficiency and credibilitys that the characteristics of the system movement designs one energy management system( energy management system, brief name EMS) to raise the posing of the
11、systemsThis text with the south science and engineering university dispersion type wind force a solar energy of the new energy center admixture generates electricity the system for study the view, the structure diagram of the system, such as 2 1 of figure 1 show:May known by the chart 2-1, the syste
12、m includes following several parties:The wind power machine and its controller: Total 15KW / sets of the biggest exportation power of the breeze machine, the wind force machine generates electricity the controller to make the wind force machine been placed in the biggest power to output the appearan
13、ce always.Solar cell and its electricity generation controller: The altogether 5 groups, solar cell each group of peaks tile 3 k W, the solar energy electricity generation controller causes the solar cell array throughout to be at the maximum work rate output condition. The data collects the system:
14、( the data acquires the system, the brief name DAS)Used for the electric voltage, the load power that collects to examine the solar cell exportation power, the wind power machine to output the power, the system direct current part, and circulate the relevant information to the system that collect, p
15、roviding the energy management system to carry on the analytical processing. The energy manages the system: collect each function of system unit movement parameter that system provide according to the data, carry out the valid management to the system and controls. Buffer electric capacity: carry ou
16、t parts of electric voltages of the system direct current steady. Load and inversion: The new energy center load classification, a kind of load is a load which the energy center work and the experiment must guarantee; Two kind of loads are the electrical energies which energy center ancillary facilities and so on greenhouse control needs, when the re
