電力網控制 的英文怎麼說
中文拼音 [diànlìwǎngkòngzhì]
電力網控制
英文
network control- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 網 : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 電力網 : [電工] (供電系統) mains; power network
- 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data
第二章在分析電子提單運作中的安全隱患的基礎上,歸納出其六大安全要素,即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析:第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規,第四章則介紹了電子提單的安全認證機構,第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制,第六章介紹了數字簽名的概念及原理,並以bolero為例介紹了數字簽名的技術方式,對有關法律問題作了論述;第七章首先論述了電子提單對有效性的法律需求,然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性;第八章通過對各國立法對電子證據的法律效力的規定,論述了對電子交易至關重要的數據電訊的不可抵賴性。At last, to be assure that the project can be put into execution effectively, the paper brings forward some suggestions that the plant should reform its system basing on corporation - oriented in order to solve historical debts problems, and should carry out its independent management right, and should reclaim its electricity fee and strive for a reasonable electrovalence, and exploits electric power market, and so on
最後,為保證成本控制方案的有效實施,提出了對永昌電廠進行公司化改制以解決歷史債務問題、落實企業的經營自主權、進行電費回收並爭取合理的上網電價、開拓電力市場等具體配套性措施和建議。Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。Apply computer chip to control the circuit ; omron opto - elecrtonic control - ler and panasonic and mitsubishi inverter have stable performance, high precision, rapid reaction and long life - span ; the controlling plate applies tactile operation board which is handled easily ; vertical structural screen is easy to adjust the vertical printing pressure so as to ensure the quality of printing ; the frame lift is driven by electrical motor and installed with imported linear guide rails, of which the speed - adjust device, scraper and scraping blade can be adjusted within15 to 45 and can be set for many times so as to repeatedly printing with good precision and output, the flat bed is made of 2mm stain - less steel plates which are flat, smooth and indeformable ; it is also equiped with micromatic setting device in order to ensure the precision of multi - color overprint and auto air - intake device to ensure strong adsorption
採用電腦板控制電路,歐姆龍光電控制器,松下,三菱變頻器,行直穩定.精度高,反應快,壽命長,控制面板採用觸摸式操作面板,操作方便,六式結構型網版垂直升降印刷壓力可調保證印刷質量,機架升降採用電機驅動安裝進口直線導軌,刮刀、回墨刀可在15一45角調整,可設置多次,重復印刷保證產品精度.平臺板採用2毫米不銹鋼板製作,平整光滑不變形配有微調裝置,確保多色套印精度,配自動吸氣裝置,確保強有力的吸附。One such scheme involves an improved control method designed to automatically quarantine trouble spots and gerrymander the remaining grid into islands of balanced load and generation
可行方案之一是改良控制方法,自動將出錯的部份隔離起來,並將剩餘的電力輸送網重新劃分成數個供需平衡的獨立區域。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance
針對串聯型有源電網調節器運用變結構控制策略,調節電力電子開關模式,以獲得預期的平衡電壓,對串聯型有源電網調節器提出了模糊積分變結構控制方法,使串聯型有源電網調節器既保持了常規滑模控制強魯棒性的優點,又減弱了滑模控制的抖振,提高了系統的穩態精度,使系統具有良好的動態和靜態性能,模擬試驗表明該控制策略是一種十分有效的控制方法。Electricity metering - data exchange for meter reading, tariff and load control - use of local area networks on twisted pair with carrier signalling
電子儀表.儀表讀數計費和負載控制的數據交換.局域網載有信號的一對扭力儀表的使用Due to the characteristics of the powerline channel, the plc system is different from the common wire network and makes high - speed data transmissions very challenging
本文主要在就以電力線網路為基礎的家庭網路的調制技術、媒質接入控制( mac )協議和tcp協議方面進行了探討。The paper analyzes comparatively interior transaction cost of integrated model with analysis structure of r. h. coase and market transaction cost of market model according to bargain proceeding ; analyzing economy of scales for electricity industry on the terms of its definition coming up with an improved " survival of the fittest " method to find optimum economic scale and explaining " separation of power plant from electric network " with the view of vertical economy ; studying selection and realization for valid competition of electricity industry with theory of contestable market, while setting up a oligarch monopoly competition model for the electricity market based on tax control of government with the thought of dynamic game theory of
應用科斯的交易成本分析框架對一體化管理模式下的內部交易成本進行分析,按照契約過程對市場化模式下的市場交易成本進行分析,並作了相應比較;按照規模經濟的定義對電力產業的規模經濟性進行了分析,提出改進的"適者生存法"來確定電力產業的最優經濟規模,並運用縱向經濟的觀點解釋"廠網分開" ;應用可競爭性理論研究了電力產業的有效競爭方式的選擇和實現,同時借鑒stackelberg模型的動態博弈思想,構建了基於政府稅收調控的電力市場寡頭壟斷競爭模型,通過對模型的分析說明了市場結構的演化和政府管制的必要性。The network forming scheme was put forward in accordance with hubei electric power program - controlled exchanging network. the problem with network forming of voice exchanging network of atm exchange was discussed
摘要概據湖北電力程式控制交換網的現狀提出了組網方案,並對atm交換機在話音交換網路組網方面的問題作了探討。The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control
經過分析研究,針對原來存在的問題,在控制方案上主要的改進措施有:充分、有效地利用了空壓機的內部參數數據,對空壓機的內部部件的運行情況實現了在線監視及故障報警;對空壓機採用了主、輔結合的運行方式,通過對空壓機加、卸載隊列的合理排序,使空壓機自動實現主機產氣、輔機進行氣壓調節,減少了空壓機的加載和卸載次數;在壓縮空氣壓力的穩定上進行了裕量控制,在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作;在節約電能方面對空壓機進行了卸載停機控制,當空壓機在一定時間內一直處于卸載狀態,系統就認為該空壓機沒有運行的必要,自動將其停機;完善了控制效果,增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。The power network detection information system based on gsm network is an intelligent product with computer technology, gsm mobile communication technology and signal processing technology, it can allow the real time detection of the voltage of the electricity transmission lines, can report the malfunction of the lines to the supervision center and the operators, and even can control relevant electricity equipments
基於gsm網路的電力網檢測信息系統是集計算機技術、 gsm移動通信技術、信號處理技術於一體的智能產品,實現對電力網輸電線路電壓進行實時檢測,向監控中心和工作人員報告線路故障,甚至輸出開關量控制相應電力設備的功能。Second, the paper introduces the modeling of the major variable pitch wind turbine generator in detail and presents the simulink result of the major variable pitch wind turbine generator without controller. third, in the third chapter the paper puts forward a control tactics of the major variable pitch wind turbine generator. for comparing conveniently with the neural networks controller and the fuzzy controller that have been designed in the later chapters, this paper gives the simulink result of the major variable pitch wind turbine generator with pid controller in brief
首先,簡單地介紹了控制理論、神經網路和模糊控制的發展概況以及風力發電機的現狀;其次,詳細地介紹了大型變槳距風力發電機的模型的建立,並給出了風力發電機系統的開環模擬結果;接著,在第三章提出了大型變槳距風力發電機的控制策略,為了便於和後面設計出的神經網路控制器和模糊控制器相比較,本論文還簡要地作出了pid控制器的模擬結果;然後,分別設計出了神經網路控制器和模糊控制器並模擬出了令人滿意的結果。Soft cut - in unit is one of the key technologies of the ecs of mw scale stall - regulated wtg
軟並網技術是兆瓦級失速型風力發電機組控制系統的關鍵技術之一。Finally, the validity of the theoretical analysis and computer simulation is proved by experimental results. and the results show that the electric control system can satisfy the requirement of large - scale wtg
最後,通過實際的軟並網系統實驗,證明設計的硬體電路和軟體控制演算法能夠很好的實現軟起動和軟並網功能,從而可以滿足大型風力發電機組軟並網控制的要求。The control system will comprise five control centers, in nairobi and around the country, equipped with redundant computer systems and abb network manager scada / ems software for the operation, control, analysis and enhancement of the electrical network, and for power generation management
該控制系統將在內羅畢和全國各地包括五個控制中心,為電力網的運作、控制、分析和改善以及發電的管理配備有冗餘計算機系統以及abb網路管理器scada / ems軟體。This paper analyses model and control system of upfc and tcsc, and respectively completes interface with network, upfc using equivalent load decoupled algorithm and tcsc using compensation algorithm. by programming software, transient stability computation for power system containing facts devices can is realized. the correctness and effectiveness are proved using numerical example in the modified epri - 36 bus system
本文詳細分析了facts元件中upfc 、 tcsc的模型和控制系統, upfc採用等效負荷解耦演算法, tcsc採用補償法分別實現了與電力網路的介面,通過編制相關程序,實現了混合系統中含upfc 、 tcsc的暫態穩定計算,並以修改過的epri - 36節點系統為例,驗證了該演算法的正確性和合理性。This paper firstly discusses the characteristics and advantages of the information transmission through sms provided by gsm network theoretically and systemically, discusses the necessity and possibility of the application of the technology into the power network detection information system, demonstrates the specifications and standards of the wireless communication interfaces used in the systems ; then, it demonstrates the constitution of the power network information system based on gsm network and the process of the operation of the system, based on this, proposes the project of one small size, cost - effective, convenient and high reliability remote detection and control unit
本文首先從理論上系統地論述了通過gsm網路提供的簡訊息服務sms進行信息傳輸的特點,討論了將該技術應用於電力網檢測信息系統中的可能性,對系統中用到的無線通信介面規范及標準進行了說明。闡述了基於gsm網路的電力網信息系統的組成,以及其工作過程。提出了一個體積小、經濟,方便用戶使用,可靠性高的遠端檢測控制單元實現方案。This article analyzed the three - phase full - controlled bridge commuted circuit 、 the three - phase half - controlled bridge commuted circuit and the harmonic occurred by the two circuits. through the analysis to the relative merits of the passive filter and active filter, a new applied harmonic current compensation device was presented in this article
三相整流裝置是廣元電力網兩大諧波源之一,本文詳細地分析了三相全控、半控橋式整流電路及其產生的諧波,在此基礎上,對其諧波的抑制進行了探討。分享友人