【文章內(nèi)容簡介】 IS, the priority subbus single wire. Terminal Substation, the line as far as possible, such as transformer unit wiring. A large number of the introduction of new technology, transformer substation rising level of electrical equipment, power distribution devices from the traditional form of moving toward oilfree, vacuum switches, SF6 switches and mechanical, electrical equipment bination of the development of smallscale integration. In recent years the world famous highvoltage electrical equipment panies have been developing, the development of the various types of outdoor highpressure and ultrahighpressure bination of electrical appliances, some highvoltage switchgear plant has also started production of pact outdoor portfolio electrical appliances. Smart plugin type outdoor switchgear is a more plete highpressure and ultrahighpressure switch system, which includes electrical first and second equipment, as well as the associated fiber optic cable, such as plugtype pound. The entire distributed substation automation system。 the introduction of advanced network technology。 substation and the construction area covers an area of reduced substation program to simplify wiring, switchgear, bus and steel pipes, such as the use of stents to substation layout is more simple, the abolition of the former station area and optimize the layout to make a substantial decline in an area substation.With technological advances, the traditional relay protection devices are gradually being replaced by microprocessorbased protection. Microprocessorbased protection is referred to as the protection of PC puter, a digital relay protection, is based on the programmable digital circuit technology and realtime digital signal processing technology of the Power System Protection. At present, both at home and abroad have been developed to 32bit digital signal processor for hardwarebased protection, control, measurement, and data munications integration of microprocessorbased protection control devices, and artificial intelligence technology into a number of relay protection, such as artificial neural networks, fuzzy theory to determine the realization of fault type, fault location, the direction of protection, the main equipment and other new methods of protection. By means of wavelet analysis of the theory of digital signal failure of the entire frequency band information and to achieve fault detection. These artificial intelligence technology to improve the accuracy of failure to provide a means of identification, but also some singlefrequency signal based on the traditional method difficult to identify the problems to be resolved. At present, the microprocessorbased relay protection is along the microprocessorbased protection network, and intelligent, adaptive and protection, control, measurement, signal, data munications integration direction.譯文：變電站是電力系統(tǒng)中不可缺少的重要組成部分，它擔(dān)負(fù)著電能轉(zhuǎn)換和分配的任務(wù)，對電網(wǎng)的安全和經(jīng)濟(jì)運(yùn)行起著舉足輕重的作用，是聯(lián)系發(fā)電廠和用戶的中間環(huán)節(jié)。隨著經(jīng)濟(jì)的發(fā)展，電網(wǎng)容量不斷擴(kuò)大，對電網(wǎng)運(yùn)行的可靠性要求也越來越高?？茖W(xué)技術(shù)的發(fā)展、智能化開關(guān),光電式電流電壓互感器,一次運(yùn)行設(shè)備在線狀態(tài)檢測,變電站運(yùn)行操作培訓(xùn)仿真等高新技術(shù)日趨成熟,以及光纖技術(shù)、計(jì)算機(jī)高速網(wǎng)絡(luò)在實(shí)時(shí)系統(tǒng)中的開發(fā)應(yīng)用,勢必對現(xiàn)有的變電站自動化技術(shù)產(chǎn)生深刻的影響,全數(shù)字化的變電站自動化系統(tǒng)成為發(fā)展的趨勢。關(guān)鍵詞：變電站 自動化 電力系統(tǒng)是由生產(chǎn)、輸送、分配和消費(fèi)電能的各種電氣設(shè)備連接在一起組成。由于電能無法大量儲存，必須保證用電和電能生產(chǎn)的平衡。隨著科學(xué)技術(shù)的不斷進(jìn)步，我們國家的技術(shù)發(fā)展已經(jīng)達(dá)到一定的水平。智能化開關(guān),光電式電流電壓互感器,一次運(yùn)行設(shè)備在線狀態(tài)檢測,變電站運(yùn)行操作培訓(xùn)仿真等高新技術(shù)日趨成熟,以及光纖技術(shù)、計(jì)算機(jī)高速網(wǎng)絡(luò)在實(shí)時(shí)系統(tǒng)中的開發(fā)應(yīng)用,大大的提高變電自動化程度。我國變電站設(shè)計(jì)開始趨向于變電站接線方案簡單，近期國內(nèi)新建的許多變電站35k V及10kV電壓等級的接線采用雙母線而不帶旁路母線。采用GIS的情況下，優(yōu)先采用單母線分段接線。終端變電站中，盡量采用線路變壓器組接線等。大量采用新的技術(shù)，變電站電氣設(shè)備檔次不斷提高，配電裝置也從傳統(tǒng)的形式走向無油化、真空開關(guān)、SF6開關(guān)和機(jī)、電組合一體化的小型設(shè)備發(fā)展。近年來世界各國著名的高壓電氣設(shè)