補償電容器 的英文怎麼說
中文拼音 [bǔchángdiànróngqì]
補償電容器
英文
building out condenser- 補 : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
- 償 : 動詞1. (歸還; 抵補) repay; compensate for 2. (滿足) meet; fulfil
- 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
- 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
- 電容器 : capacitor; condenser; current condenser; electrical condenser
- 電容 : electric capacity; capacitance; capacity
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Appling closed loop control strategy in the power factor dynamic compensation system. then the key techniques, for example, the fashion of real time sampling idle current and the fashion of compensation capacitor connected with, the time when the compensation capacitor are thrown up, are researched
針對本系統的應用對象,確定了本系統中所應用的無功電流實時檢測理論和方式、補償電容器接線和分組方式、補償電容器投入時刻的選擇等關鍵技術;並對can技術應用於功率因素動態補償系統進行了研究。Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc
交流無間隙金屬氧化物避雷器,適用於變壓器、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容器、旋轉電機等電壓保護。The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified
據此,對該站進行了串聯諧振分析和並聯諧振分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高,引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容器5次諧波電流含量偏高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。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。First the paper use the different four network operating condition as the primary given conditions and set the 330 / 220kv transformer tap changer position in the standard position, adding the paralleled capacitor bank sets one by one into the network to change the amount of the input reactive power, thus obtained four sets of the 330kv and 220kv bus voltage and the active and reactive power losses changing curves
進而研究了在每一確定並聯補償電容器組投入量條件下,隨聯變調壓檔位變化而產生出的一組並聯補償量、母線電壓與損耗的變化曲線。進而選出了隴南電網在四種選定電網運行方式下、有功損耗最小條件下的最優綜合控制組合曲線。Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor
本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流,總結出了如下規則:隴南電網在2005年及2010年冬大、以及2005年夏小運行方式下,綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施;在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施,再輔助以選擇合適的主變有載調壓分接頭來調節,達到控制網內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電網有功損耗最小,從而也提高了電網安全運行水平及供電質量。With the consideration of most of our transformers " taps are changed manually and some fluctuate unnecessarily, this paper presents a supervision system of oltc based on plc control technique. then we combine this system with reactive power compensate device such as shunt capacitor to design a new supervision system of substation voltage and reactive power synthetic control based on plc fieldbus
針對國內變電站電壓調整大多依靠人工調節,且有載調壓變壓器( oltc )分接頭動作頻繁的特點,本文提出了基於plc控制技術的有載調壓監控系統的研製方法,並以此監控系統為基礎,結合併聯補償電容器組等無功補償設備,設計了一種基於plc現場總線的變電站電壓無功監控系統。In order to ensure the whole system operate economically, power department equip transformer with onload tap changer and shunt capacitors for most distribution substations, according to the operating condition, adjusting the position of transformer taps and capacitors can control the variation of voltage and reactive power exchanger of distribution substations and power system in certain extent
為確保整個系統運行經濟性,降低網損,電力部門在大多數變電站配置了有載調壓變壓器和並聯補償電容器組,根據運行情況適當調節變壓器分接頭的位置和投切並聯補償電容器組,可以降低電壓變化和變電站與系統的無功交換控制在一定的范圍內,確保供電質量和電網運行的經濟性。Making use of the idea of the parallel genetic algorithms, presenting the adaptive multiple subpopulation evolutive strategy. presenting extinction and immigration strategy in order to avoid the similar or even same individuals appear. in order to enhance convergence velocity of reactive power optimization of the radial distribution system, combining the characteristic of the radial distribution system, a sensitivity analysis approach was build up for optimal selection of capacitors and mutation of transformer tap changer
為了提高配電網無功優化的收斂速度,結合配電網的特點,提出採用簡單可行的靈敏度公式選擇無功電容補償器的安裝地點,並用靈敏度分析變異變壓器分接頭,使變異運算元的選取更符合配電網無功優化問題中關于調節變壓器分接頭的實際情況,減少了一些不必要的變異運算,使適應性和魯棒性加強;根據實際情況採用無功補償電容器的啟發式變異,使變異運算元的選取更符合無功優化問題中關于補償電容器的實際。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。Studies on some distribution test systems show the power flow analysis of distribution systems to have the superior performance in terms of solution time and convergence characteristics. the thesis proposes two algorithms for real - time switching control scheme of shunt capacitors
在配電網中布置有許多並聯補償電容器組,它們在網路經濟運行中所起的作用不同和運行現場的技術條件不同,它們的實時運行控制採用不同的控制方式和控制演算法。When carrying on the distribution network reactive power coordination optimization, the discrete values of compensation capacitor are obtained using adaptive crossover step genetic algorithm on the basis of consideration of bo th network reconfiguration based on ts algorithm and compensation capacitors continuous variable optimization, accordingly the high efficiency and global optimal solution of network coordination reactive optimization are achieved
對配電網路無功綜合優化,本文提出在同時考慮基於禁忌演算法的配電網路重構和補償電容器連續變量優化的基礎上,再應用自適應交叉步長遺傳演算法進行離散變量求解,獲得補償電容器的離散量值。Power electronic capacitors - requirements for disconnecting test on fuses, destruction test, self healing test and endurance test
補償電容器.第2部分:熔斷器切斷試驗破壞試驗自行恢復試驗和疲勞試驗要求Two network analysis and operation algorithms for balanced radial distribution systems, called forward - backward sweeping method of power flow solution and real - time control of capacitors installed on distribution systems, are presented in this thesis. distribution networks have characteristics such as mesh network on planning and radial networks on operation. the radial topology of distribution networks has been fully exploited such that a systematic branch and node numbering scheme is utilized to achieve storage and computational economy
本文對配電網路中電壓的調整,就電容器投切控制問題進行了深入的研究,在前人研究成果的基礎上,針對配電網路結構特點,提出了採用前推回推法計算配電網路潮流,對配電網路就地補償電容器的控制採用模糊控制技術,對全局優化控制採用逐次線性規劃演算法。Power electronic capacitors ; part 1 : general
補償電容器.第1部分:總則Power electronic capacitors - general
補償電容器.第1部分:總則Analysis on harmonic amplification of parallel compensating condenser
並聯補償電容器的諧波放大問題分析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