負荷電容器 的英文怎麼說
中文拼音 [fùhédiànróngqì]
負荷電容器
英文
load capacitor- 負 : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
- 荷 : 荷名詞(蓮) lotus
- 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...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 負荷 : [電學] load; charge; weight
- 電容器 : capacitor; condenser; current condenser; electrical condenser
- 電容 : electric capacity; capacitance; capacity
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The main hardware is the collection equipment, the software is the windows dna framework, distribute calculate resolves the problem of data server down because of heave calculate mission. system provides the mis sub - system base on ie, which make data - query and report forms not limited by the special network. the new module, standard interlink module is aimed at the problem of not pluralize between different system, can make system utility in administrative levels
系統有硬體和軟體組成,硬體的基礎是採集裝置;軟體採用windowsdna構架,使用分散式計算,解決了原來系統的計算任務過于繁重造成數據服務器不能承擔負荷的問題;服務方面提供基於ie的mis系統,使數據查詢和報表服務擺脫了原來的專用網路的限制;新增加模塊「標準互連」模塊是針對目前各種自動化系統不兼容的問題而產生的,可以實現電力自動化在更高層次上的實現,在這個模塊中,有意識的採用High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器,抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關With the development of the electric power system, static - state reactive power compensators ca n ' t have met the requirements of the actual production and operation, and the trend to the fast and dynamic compensation for reactive power become greater and greater. since ertan hydroplant and 500kv transmission systems in sichuan power system have been operated, many power plants of load center are forced to halt during the high - water period, because the great deal of power is transmitted to far - distance load center. thus the load center loses voltage sustentation and the level of the system stabilization is debased greatly
四川電網的二灘水電站和500kv輸變電系統投入運行后,由於二灘水電站的大量電力遠距離輸送至負荷中心,迫使負荷中心的火電機組在豐水期大量停機,使負荷中心失去電壓支撐,大大降低了電網的電壓穩定水平;同時,因為四川電網中的無功補償裝置全為靜態無功補償電容器(或電抗器) ,這些設備只能在系統正常運行狀態下起到無功補償和電壓支撐的作用,而在電網出現事故時,不但不能起到電壓支撐作用,反而會促使電網電壓崩潰事故的發生。On the base of widely investigating and researching, author deems that the conventional reactive power compensation devices used by consumer had many defects with among others : lower response time, remaining residual voltage on the compensation capacitors, and so on. because of existing improper trigging time, it is impossible to realizing balance compensation for 3 - phrase unbalance loads
本文在充分調研的基礎上,認為目前採用的傳統的無功功率補償裝置存在響應速度慢、觸發時刻不合適、補償電容器上有殘壓、不能實行三相平衡補償、對電網產生污染、不能消除負荷本身產生的高次諧波等弊病。Application of high - voltage explosion fuses is very abroad. in addition to protecting the electrical equipment by melting itself, disjunction or close of its tube can also be manipulated by a high - voltage insulative stick under some circumstance, for example, to switch on or off no - load overhead transmission line, no - load transformer and little burden current
跌落式高壓熔斷器的應用極為廣泛,不僅能保護電氣裝置,在一定條件下還能直接用高壓絕緣鉤棒來操作熔管的分合,以斷開和接通空載的架空線路、小容量空載變壓器和小負荷電流。High voltage shunt capacitor installation is comprised of capacitor cabinets or steel racks capacitor, spe - cial fuses for capacitor overload protection, capacitor discharge device, air - cored reactor which is applied to restrain surge current and high freq. harmonic, zno arrester without gaps for overvolage - limiting and high voltage vacuum switch etc. capacitor cabinet is made of highquality cold - rolling steel plate
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關等設備組成。In this paper , a novel fuzzy optimization model and algorithm to optimize the locations , sizes and service areas of mv / lv distribution transformers in urban distribution network planning which can consider the imprecision and possibility of spatial load, the voltage level constraints and the cost of objective function is presented
給出了考慮負荷、供電電壓水平約束和目標函數最小費用的不精細性的城市電網中壓配電變壓器位置、容量和供電范圍的模糊優化規劃模型及演算法。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。The reactive power optimization compensation is to find the suitable compensation place and the best compensation capacitance by adjusting the generator bus voltages, transform taps and reactive compensation capacities in the condition of satisfying power load requirement, which can guarantee the secure and high quality power for consumers. the improved genetic algorithm is applied in this thesis according to the features of reactive power optimization of high voltage transmission bus, which are the non - linear problems with multi - variables and multi - restrictions
電網無功優化補償是在有功潮流調度給定的情況下,以負荷節點電壓和線路輸送無功功率作為狀態變量,運用優化演算法,調節發電機節點電壓、變壓器可調分接頭和無功補償裝置,在滿足電力負荷的要求下,尋求合理的無功補償點和最佳補償容量,保證電網能夠安全、優質地向用戶供電。Based on the change of electrical load, promptly monitor stop and run operation of capacitor to ensure effective watt factor on proper level
根據分路用電負荷的變化,及時檢查電容器的投入和退出運行,保證有功功率因數維持在正常水平。Because of forecasting reactive load at first, it can detect the change of voltage at low - voltage bus from the change of reactive load or the change of voltage at high - voltage bus, then it can decide that adjusting transformer tap or capacitor switch, and avoid blindly and deficient adjusting. on the condition the reactive power is balanced and voltage qualified, it can realize the switching times of loaded taps and capacitors being efficiently decreased
由於預先預測出無功負荷,提前了解了無功功率變化的趨勢,可以有助於判定低壓母線電壓變化是由無功負荷變化引起還是由高壓側電壓變化引起,從而適時決定是調有載調壓變壓器分接頭還是投切電容器,以此避免了盲目和不充分的調節,實現在保證無功基本平衡和電壓合格率的前提下,減少有載調壓變壓器分接頭的調節和並聯電容器組的投切次數。This paper mainly discusses a control method of substation voltage and reactive power. in order to get suitable decision for one day 24 hours tap - transformer ' s step switch and shunt capacitor switch, an approach of substation voltage and reactive power control on the basis of the combination of artificial neural network ( ann ) reactive power forecasting and evolutionary programming optimal decision - making is put forward
論文主要研究變電站的電壓/無功控制決策問題,為了確定一天24小時內合適的有載調壓變壓器分接頭位置和並聯電容器投切狀態,提出一種基於人工神經網路的無功負荷預測和進化規劃優化決策相結合的變電站電壓和無功的綜合控制決策。Under different load, when we apply this software to any time, region and cooling way, we can get the hottest spot increment and aging rating. to manufactory, the software means sounder thermal design, which will meet the load, putted forward by user, while to user, the software equal to a master who can help them decide the capacity rating of the transformer, which will fit the load. by using the software, the potential danger and the waste, caused by unfit load choice may be avoided
研究開發了計算乾式電力變壓器負載能力的計算軟體,可對于各種絕緣結構,各種冷卻方式和任一地區、任一時間下運行的變壓器在不同運行載荷下的最熱點溫升絕緣老化率進行分析和計算,同時利用該軟體製造廠可以依據用戶提出的運行負載量給出相應的熱設計方案,用戶可根據運行負載情況利用軟體計算所需變壓器的額定容量,避免額定容量選擇不當造成隱患和浪費。To avoid the actuator, a capacitor load being charged up by the drift current of the amplifier, a secondary feedback from the output of the amplifier has been used and expected result has been gotten
針對驅動器輸出電流漂移造成的壓電作動器(容性負載)電荷積累,文中引入了抑制驅動器電流漂移的反饋環節,取得了預期的控制效果。According to the characteristic of nine - area diagram of substation vol / var coordinated control, this system gives the defination of fuzzy sets and the degree of membership of input / output variables, and designs corresponding control rules. the results of simulation demonstrate the system can satisfy the constrains of the day - adjusting times of the switching of on - load transformer and paralleled compensation capacitors, and ensure voltage quality, reactive power basical balance. considering the var requirement in different load time period and the control demand in load saltation, a improved control scheme is provided. the results of simulation show the improved scheme can meet the demand of vol / var in different load time period, protect the wrong operation when either voltage or reactive power appears saltation, and decrease the times of regulation of the switching of on - load transformer and paralleled compensation capacitors finally, a background software module of substation vol / var coordinated control is designed, based on the supervisory control and data acquisition system of substation
模擬結果證明該系統能在各種負荷條件下確保電壓合格和無功基本平衡,且能滿足變電站對有載調壓變壓器分接頭日調節次數和並聯補償電容器組的日投切次數的限制。通過考慮不同負荷時段對無功功率的需求和負荷突變情況下的控制要求,對上述模糊控制策略進行了改進,模擬結果證明改進后的控制策略能滿足不同負荷時段對電壓和無功的要求、抑制電壓或無功突變情況下的誤動作,且有效地減少了有載調壓變壓器分接頭和並聯補償電容器組的調節次數。最後基於變電站scada系統設計了一后臺電壓無功綜合控制軟體模塊。With the broad application of the electrical and electronic technology in the industry branches and the power apparatuses, the number of non - linear loads is much more and more, and the capacity of them is biggish, so a mass of harmonic is injected into the power system, which produces the waves of voltage and current in power system to be aberrant seriously
隨著電力電子技術在各工業部門和用電設備上的廣泛應用,非線性負荷數量越來越多,容量也越來越大,諧波大量注入電網,使電力系統電壓、電流波形發生嚴重的畸變。由於大多數儀器、儀表是針對工頻正弦波設計的,因而造成指示數據不正確。The filed test was made in guangping substation of handan power supply company and the results of filed test indicated that the device is successful and it improved the voltage quality and power factor at various load condition
該裝置在邯鄲供電公司廣平變電所進行了現場實驗,實驗結果表明,它可以在各種不同負荷狀況下,自動進行並聯補償電容器的投切和主變分接頭的控制,提高了電壓合格率和功率因數。Based on the strategy the automatic voltage and reactive power control device was developed. the device is controlled by microcomputer and can adjust the ratio of transformer and switch the capacitor automatically according to operating condition
在此基礎上,研製成功了變電所電壓無功自動控制裝置,裝置以微處理器為控制核心,可根據實測的母線電壓和負荷功率因數,自動進行主變分接頭調整和補償電容器投切。分享友人