short circuit control 中文意思是什麼
short circuit control
解釋
短路控制-
The increasing proportion of distributed generation ( dg ) in power system will deeply affect the distribution network structure, the amperage, direction, and distribution of short - circuit current in the existing distribution network, and will thus affect the operation and control of the distribution network
摘要大量分散式發電的並網運行將深刻影響現有配電網路的結構、以及配電網中短路電流的大小、流向及分佈，由此給配電網的運行與控制帶來多方面的影響。 -
Analyze and compare pid and vague, single neuron etc. control strategy, and combine with single neuron self adaptive gain, self adaptive right value and preventive integral saturation etc. control strategy. have improved single neuron control algorithm, may restrain efficiently to disturb, reduce broken arc and short circuit etc. phenomenon, make systematic control effect and robustness get to strengthen, also have certain application reference value for the design of the dc arc furnace
通過對pid 、模糊、單神經元等控制策略的分析比較，將單神經元增益與權值的自適應調節、抗積分飽和等控制策略相結合，改進了單神經元控制器演算法，可以有效抑制擾動，減少斷弧、短路等現象的發生，使系統的控制效果和魯棒性都得到增強，對電弧爐控制系統的設計也具有一定的應用參考價值。 -
The thesis mainly studies the correlatively pivotal technique and theory during the design process of computer control system for short circuit experimentation, which is an important part of dynamic simulation laboratory
本論文主要基於短路實驗控制系統，對系統設計開發過程中涉及的關鍵性技術和理論作詳細的研究和探討。 -
Connecting with different peripheral devices, the circuit can also have the functions of short circuit protection, soft start and four kinds of dimming control
通過各種不同的外圍應用電路能實現短路保護、軟起動及四種調光控制方式，應用非常靈活。 -
The single - chip microcomputer control technology has been applied in the system to carry out monitoring and protective functions for the asynchronous motors controlled. combined with suitable peripheral interface, disposition and flexible software, the mcs can measure the current and voltage signals of the motors. based on the measurements, the computation, judgment and decision are made to implement the phase sensitive short circuit, overload, supply over - voltage, supply under - voltage, over - thermal, leakage lock - out and loss of phase protective function
系統採用單片機控制技術，完成所控制電動機的控制功能，並對所控制電動機的電壓、電流等信號進行檢測、計算、判斷和處理，實現短路、斷相、過載、欠壓、過壓、過熱、漏電閉鎖等保護功能，並提供本質安全型輸入、輸出介面，能與煤礦井下監測監控系統聯網運行。 -
The device has realized the real - time control and protection for short circuit, failure to start, unbalance ( open phase ), under - voltage, earth faults, and overload
保護與控制裝置實現了對短路、起動故障、不平衡（斷相） 、欠壓、接地故障、過負荷的實時監控和保護。 -
The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。 -
Over current protection in circuit design helps to control short circuit in loading and over current promptly to avoid further damage
具備過流式保護電路功能，對負載的短路及過流及時控制，免除待修電子產品進一步損壞。 -
A novel measurement and control system ( mcs ) used in hv flameproof switchgear has been established based on the 80c196kb single - chip microprocessor, by which electrical faults such as short circuit, over - load, over - voltage, open circuit, earth leakage and so on can be automatically distinguished and processed, and with the exception of this, the insulation degree of the double screen cables is monitored on - line. the operating condition and fault parameters can be displayed in turn with liquid crystal display
該系統能自動判斷短路、過載、過壓、欠壓、漏電等故障，並對高壓電纜的絕緣水平進行實時監測，大屏幕液晶顯示器實現了電太原理工大學碩士學位論文網參數的輪流顯示，通過撥碼盤輸入系統各項整定參數，真正實現了保護系統數字化。 -
The automatic electricity - heat pot adopts the unique mechanical and electrical design which simplifies the operation process and saves energy and time ; it is a complete monitor and control system which detects the following breakdowns : overheat, overpressure, the damage of components, water shortage, short circuit, electricity leakage, misoperation
該炊事鍋在機械和電控上採用了獨特設計，大大簡化了操作過程，省時省力；實現了全方位、多層次的安全監測和控制體系，形成了一個超溫、超壓、元件損壞、缺水干燒、短路漏電、異常操作等故障報警與故障自動處理的完整安全監控體系。 -
According to the rule of mine safety regulations, an intrinsically safe pilot circuit with perfect performance for underground motor intelligent protective systems is put forward, which can effectively avoid the phenomenon of self - starting that is caused by the earthing of control lines before starting motors, at the same time, can reliably cut off the switches to ensure the safety of underground production under operation condition no matter what the faults of short circuit, open circuit and earthing in the control circuits happened
根據煤礦安全規程規定設計了性能完善的本質安全型先導電路，起動前它能有效地防止因控制線接地造成自起動現象的發生，而且在運行中無論控制線發生短路、斷線還是接地故障，它均能可靠跳閘，確保生產的安全，該先導電路的性能指標達到了國內領先水平。 -
So, it ' s important to study and to develop the control system of the power system short circuit test bench
所以對于電力系統短路實驗臺控制系統的研究與開發具有非常重要的意義。 -
Firstly, the thesis studies the characteristic and the key of the design of the control system of short circuit test bench. secondly, we discuss the different ways to control the initial fault current angle, and give some different design projects based on pc
然後對合閘角控制的不同方法進行了研究，並根據合閘角控制的方法不同提出了基於pc機的不同設計方案，並對各種方案進行了詳細說明，特別是windows和dos環境下精確短定時的實現以及在電力系統短路試驗控制系統中的應用。 -
The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential
Dms網路分析的基本軟體有：網路結線分析、潮流計算、狀態估計、負荷預報、短路電流計算、電壓無功優化等。派生軟體有：負荷控制、電容器優化配置、變壓器與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具，通過它可以了解和掌握當前的運行狀態，從而挖掘安全和經濟方面的巨大潛力。 -
Abstract : this article touches on the changes on auto - control lines to start electrical motors using compensators, which reduces losses due to short - circuit during start - up and improves economic benefits
文摘:本文介紹用補償器起動電機的自動控制線路的改造，減少電機因起動短路造成損失，提高經濟效益。 -
This product is perfect for lighting and temperature control and over - current, short - circuit protection systems ; a high - pressure type ring network ( including dual - supply ), terminal type ; measurement methods are low - voltage or high - pressure measurement, change layout box " goods ", " eye " type, the body or an integrated one
本產品具有照明及完善的溫控及過流、短路保護系統；高壓有環網型（包括雙電源） 、終端型，計量方式有高壓或低壓計量，箱變布置有「品」 、 「目」型，分體或一體式。 -
It also has perfect functions of rated voltage, rated current, rated power and rated resistance, remote measurement, short - circuit measurement, battery measurement, dynamic measurement, and upper engine ' s software control
其完善的定電壓，定電流，定功率，定電阻功能，遠端測量，短路測試，電池測試，動態測試及上位機軟體控制等功能讓您獲得一機多用的實惠與方便。 -
The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced
第二章針對雙幅控制技術在單相橋式電壓源逆變器中的應用為範例進行研究，提出了直流母線無短路控制和通過pi調節環穩定箝位電壓的雙幅諧振控制策略，進一步提高了母線振蕩頻率，減少了直流環節損耗。 -
The dynamic simulating system used to do the research of governor control had been established by the device. the dynamic simulating tests of gahc used on steam turbine and hydro turbine had been done with the device. the tests were three phases short circuit, restoring synchronous operation and restraining low frequency oscillation in three - machines system
利用該裝置對gahc在汽輪發電機和水輪發電機上的控制進行了以下動模實驗：單機無窮大系統中三相短路故障實驗和發電機發生失步故障后的再同步實驗、三機無窮大系統中抑制低頻振蕩的動模實驗。 -
The process of short circuit transition is non - linear and with many influencing factors, and it is difficult to find an ideal model for control
短路過渡的co _ 2氣體保護焊過程具有非線性和不確定性，干擾因素眾多，很難得到一個理想的數學模型進行控制。
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