調速發電機 的英文怎麼說
中文拼音 [diàosùfādiànjī]
調速發電機
英文
velodyne-
The handdriven generator is equipped with a centrifugal governor.
手搖直流發電機裝有離心調速裝置。For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen
主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手,分析了長徑比、氣隙長度對有效材料峰值功率的影響,並確定了它們的最佳尺寸。The thesis is devoted to exploiting a permanent magnet synchronous machine ( pmsm ) for the parallel hybrid electric vehicle ( phev ). three parts are included as follows : at first, in the electromotor state, the current control strategies of pmsm are determined. giving the elementary method for solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state
本課題的研究工作主要圍繞開發一臺並聯式混合動力電動汽車( phev )用永磁同步電機( pmsm )展開,所作的工作主要包括以下幾個部分:首先,確立了phev用pmsm電動機運行狀態時的電流控制策略,針對pmsm在電動機運行狀態時提高弱磁擴速能力和在發電機運行狀態時減小固有電壓調整率的相互矛盾,提出了初步的解決方法。Yct series eddy - current coupling drives are ac speed - regulation motors, which are featured by easy contorl and stepless speed variation within a wide speed range
Yct系列電磁調速電動機由拖動電機、電磁轉差離合器、測驗速發電機和電磁調速控制器組成。My research paper can be divided into five parts : i. practical mathematical models have been derived and equations are also derived ( includes field excitation system, governing system ), which are used in generator three phases short circuit and by adding large loading. ii. simulation of the generator ' s shunt - wound run
發電機組實用數學模型的推導(包括勵磁系統和調速系統) ,並由此推出了用於發電機三相突然短路和突加異步電機大負載模擬的差分方程;並進行了突卸負載、突加負載時調速系統的模擬過程; 2By using a special filter to obtain the vibration of the disturbance, ( pe ), the governor additional controller will have nothing to do with the setting output of generator active power
通過提取p _ e的交變分量,使調速系統附加控制器與發電機輸出功率的額定值無關,即不影響發電機的正常運行。In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current
本文首先比較了幾種變速恆頻方案,從中選擇了雙饋式變速恆頻方案;它運用雙饋電機的工作原理,允許發電機轉速變化,而在電機轉子側接入低頻勵磁電流,通過控制該電流的頻率,保證雙饋電機定子輸出的頻率恆定;再結合矢量控制技術,通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量,相應獨立地控制發電機輸出的有功功率和無功功率。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。The control parameters influenced the loads of the stall wind turbine small. but it will be bigger to the variable pitch wind turbine and the variable speed wind turbine
對于bladedforwindows軟體,定槳距失速調節型風力發電機組控制參數的輸入量比較少,對機組載荷的影響也比較小。In order to guarantee the normal operation of hydroelectric generator unit, it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled. to facilitate the test of the governor, a real - time dynamic simulator based on pcc for water turbine governing system was developed. it has three functions : simulating controlled objects ( pressure water conveying system, water turbine, generator and electric grid ), simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor
水輪機調速器是水輪發電機組一個很重要的自動化調節設備,它由調節器和電液隨動系統組成,在調速器安裝或者大修后都要對其性能和特性進行全面測試,為了方便對水輪機調速器的測試,特開發水力機組調速系統實時動態模擬儀,該模擬儀具有三種功能:對調速器調節對象(有壓引水系統、水輪機、發電機和電網)進行模擬、對調速器電液隨動系統與調節對象進行模擬和作為實時測試系統監測調速器的工作是否正常。For simple program, extend easily and high performance but low cost, it will be widely used medium or small hydropower plants governor. it will enhance the automation level of hydropower plants governor
由於其編程簡單方便、擴展性強,同時兼有較高的性能價格比,可廣泛應用於中小型水輪發電機組的調速控制,對于提高我國中小型水電站自動化水平具有重要的實際意義。Speed governing systems for hydraulic turbine generator units
液壓汽輪發電機組的速度調節系統Speed and load governing systems for steam turbine - generator units
汽輪發電機組的速度和負載調節系統Aiming at the problems in the field of the government for hydraulic turbine, this thesis applies the technology of programmable controller to the speed control of hydroelectric generators in hydropower station. a digital regulating system based on the fx2 programmable controller for the water - gate and paddle of hydraulic turbine is developed. first, the turbine regulating system is briefly introduced and the mathematics model of the system is derived
本文針對當前我國水輪機調速器領域技術現狀,將可編程式控制制器技術應用於水電廠發電機組的轉速控制,提出了在應用可編程式控制制器實現導葉控制系統的基礎上,以可編程式控制制器實現導葉、輪葉雙調整控制系統,並參與研製了以fx2可編程式控制制器為核心的水輪機雙調節控制器,樣機的實際運行良好,系統的軟硬體設計得到驗證,結果令人滿意。Speed governing systems for hydraulic turbine generators units
水力渦輪發電機組的速度調節系統The governor must have provision for adjusting speed ( generator frequency ) and speed droop ( no load to full load )
調速器必須具備轉速調整(發電機頻率)和降速降調整(零負荷到滿負荷)功能。The benchmark rev equipment is designed and used for tacho generator ' s testing, the characteristic of which is high velocity precision, wide speed range and stepless speed adjustment
本轉速源是測速發電機的校準測試基準,要求具有精度高,范圍寬,無級平滑調速的特點。The benchmark rev equipment is designed to provide speed reference for tacho generator ' s testing, which has high velocity precision, wide speed range and stepless speed adjustment
高精度轉速源是為測速發電機的校準測試提供速度基準的驅動系統,具有轉速精度高、調速范圍寬及無級平滑調速的特點。The paper researches and designs a driving benchmark rev equipment used for tacho generator ' s testing, the characteristic of which is high velocity precision, wide speed range and stepless speed adjustment
本文研究設計的是為測速發電機的校準測試提供驅動的基準轉速源,具有速度精度高,調速范圍寬,平滑無級調速的特點。Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed
文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化,從而獲得速度誤差,並自動校正轉速的一種自適應速度調節控制電路。分享友人