【正文】 good, the breeze is weak。 namely chase the city to give or get an electric shock the conduct and actions back up power supply, pass bine the controller to control the devotion and the excision of the city electricity. In the wind power, the solar energy and the load constitution electricity generation, uses electricity in the system, as a result of the wind speed, the sunshine intensity and other climatic conditions changes, the wind electrical machinery, the solar cell array output and the load power all has paratively wide range the undulation, thus set the very high request to the energy management system management system. This article in view of is being constructed a South China technical University new energy center disperser like wind power solar energy mix generating system, has designed an energy management system management system, according to the system electricity generation, the load uses electricity the condition, the management system management system power supply pattern, nimbly adjusts each part to supply the electric quantity the proportion. The energy management system management system is bigger than the load demand when the renewable energy, shuts off the partial solar energies, the wind electrical machinery。 When SK ＝１ mean that the charged barbed wire connects into the admixture to generate electricity the system, SK ＝ 0 mean that the charged barbed wire generates electricity the system from the admixture to cut off。s judgment, the thinking process with the direct expression of more simple language and mathematics forms. The mode of thinking that makes plicated system press mankind carry on operation and processing’s39。 If in order to continue the area, the theory area database then for belong to the function correspond. The regular storehouse is the operator which and has the rich experience based on the expert knowledge acts according to the longterm accumulation the experience, according to person39。) The rule database is to is use to deposit all misty control rules, while reason logically provide the inferential basis for reason logically the machine. (3)Reason logically to reach agreement the faintness to connect While reason logically, the controller reasons logically the machine according to the misty quantity that input, controlling the rule through the faintness to solve the faintness to 7 relate to the square distance, obtaining the misty control quantity of the misty controller. From reason logically the amount of control that machine acquire and is a misty vector, can39。s is a system to output the exchanges electric power quantity, stability and dependable key factors. As a result the choice direct current is part of physically the direct current electric voltage dcU measure with the direct current electric voltage variety dcu? , be the first degree importation of the system, output for the direct current electric voltage etc. the effect be worth 1y 1y is a prehensive direct current electric voltage dcU measure with the direct current electric voltage variety dcu? , get dcU future appearance. Substantially, it reflected the system on the current direct current electric voltage foundation, if don39。 When the direct ponent voltage is higher than 240 V, then shuts off the winddriven generator and the solar energy electric power facility to the system power supply, when the direct current terminal voltages lower than 220 V again reinvests the work. Thus, gradually asks the essence through the graduation structure, gradually approaches the objective function, thus achieves the ideal control effect. 5. Summary This chapter first simply introduced the wind power solar energy mix generating system disposition, afterwards aimed at this multi inputs to be most the variable the disperserlike wind power solar energy mix electricity generation energy management system management system, the research has designed based on the heredity algorithm graduation fuzzy control algorithm, and produced this system to use graduation fuzzy control the detailed design procedure. Finally, with the aid of to the simulation, applies the above algorithm to the wind can in a solar energy mix electricity generation energy management system management system. The simulation result indicated that, can implemental better management and the control based on the graduation fuzzy controller to the disperserlike wind power solar energy mix generating system, and may obtain the good effect. This also for the many kinds of renewable energies mix generating system management and the control, has provided an effective key to the situation. 11 混合發(fā)電能量管理系統(tǒng) 1. 引言 風(fēng)力與太陽能電池發(fā)電組成的混合發(fā)電系統(tǒng)又叫作風(fēng)／光互補(bǔ)系統(tǒng)，由于風(fēng)和太陽能都有一些共同的缺點(diǎn)，如能量密度低、穩(wěn)定性差、 受天氣影響不連續(xù)、有季節(jié)性強(qiáng)弱變化、太陽能日夜間斷等。有條件時通過搭配適當(dāng)容量的蓄電池或接入市電作為備用電源，可使運(yùn)行費(fèi)用大大的降低、供電的可靠性大大的提高。本文針對系統(tǒng)運(yùn)行的特點(diǎn)設(shè)計了一能量管理系統(tǒng)（ Energy Management System, 簡稱 EMS）來提高系統(tǒng)的運(yùn)行效率和可靠性。 能量管理系統(tǒng)：根據(jù)數(shù)據(jù)采集系統(tǒng)提供的系統(tǒng)各功能單元運(yùn)行參數(shù)，來實(shí)現(xiàn)對系統(tǒng)的有效管理和控制。 市電控制器：當(dāng)可再生能源提供的電能不能滿足系統(tǒng)一類負(fù)載所需時，由市電來作補(bǔ)充；即把市電作為備用電源，通過并網(wǎng)控制器來控制市電的投入和切除。由于系統(tǒng)的負(fù)荷是由直流電壓經(jīng)逆變器提供的，直流電壓的穩(wěn)定性直接影響系統(tǒng)給負(fù)載提供電能的質(zhì)量，在這里取系統(tǒng)直流母線電壓 dcU 為系統(tǒng)的被控量，并取其工作范圍為 192Ｖ－ 240Ｖ，選擇 216Ｖ為直流部分的額定電壓。 針對系統(tǒng)運(yùn)行的特點(diǎn)，制定以下設(shè)計規(guī)則： （ 1） 規(guī)則一 構(gòu)成混合發(fā)電系統(tǒng)的風(fēng)電機(jī)組功率容量較大，因而選擇以風(fēng)電機(jī)組供電為主，太陽能電池陣列作為能量微調(diào)部分。 3. 模糊控制 模糊集合和模糊控制的概念是由美國加利福尼亞大學(xué)著名教授 Ｌ．Ａ．Ｚａｄｅｈ在其 Fuzzy Sets， Fuzzy Algorithm和 Rationale for Fuzzy Control 等著名論著中首先提出一種完全不同于傳統(tǒng)數(shù)學(xué)與控制理論的智能理論。 模糊控制通過模糊集合和邏輯推理方法把人的經(jīng)驗(yàn)形式化，模型化，變成計算機(jī)可以接受的控制模型和語言， 讓計算機(jī)來代替人來進(jìn)行有效的實(shí)時控制。 數(shù)據(jù)庫是存放所有輸入、輸出變量的全部模糊子集的隸屬度關(guān)系的矢量值；若論域?yàn)檫B續(xù)域，數(shù)據(jù)庫則為相應(yīng)的隸屬函數(shù)。 由推理機(jī)獲得的控制量是一個模糊矢量，不能直接被用來控制被控對象，還必須轉(zhuǎn)換成確定的控制量，我們把這一過程稱為解模糊或模糊量的清晰化。取系統(tǒng)直流母線電壓為被控量，由圖 2－ 6 可得系統(tǒng)的數(shù)學(xué)模型： 其中 dcU — 直流母線電壓， wi — 風(fēng)力發(fā)電裝置輸出電流， PVi — 太陽能發(fā)電裝置輸出電流，Li — 系統(tǒng)輸送到負(fù)載得電流， Si — 電網(wǎng)輸送電直流部分得電流，Ｃ — 直流平波電容容量。因而選擇直流部分實(shí)際直流電壓dcU 和直流電壓變化量 dcu? ，作為系統(tǒng)的第一級輸入，輸出為直流電壓等效值 1y 1y 是綜合直流電壓 dcU 和直流電壓變化量 dcu? ， 得出 dcU 未來的狀態(tài)。 第三級 以影響次大的風(fēng)能