母線調壓器 的英文怎麼說
中文拼音 [mǔxiàndiàoyāqì]
母線調壓器
英文
bus voltage regulator- 母 : Ⅰ名詞1 (母親) mother 2 (泛指女性長輩) one s elderly female relatives 3 (配套的兩件東西里的凹...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 壓 : 壓構詞成分。
- 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
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On account of the disadvantages of the feedback reactive power compensator, a device of its simplified scheme is studied in this paper, in which the reactive power is adjusted by regulating the voltage of the low - voltage side of the transformer
由於這種反饋式補償方案存在一些問題,本文分析了它的簡化形式,即通過調節降壓變壓器低壓側的母線電壓來調節濾波器的無功出力的補償方案。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。The study bases on the four operating conditions of which the longnan network will be implemented in the year of 2005 and 2010. first, this paper calculates the power flow distribution that including the line charging reactive power and input of the low - voltage shunt reactor in chengxian s / s. assumed that the bus voltage of tianshui s / s and bikou power plant to be constant, the study count the voltage level of the 330kv and 220kv bus - bar when the 330 / 220kv transformer in standard tap changer position. in order to set control rules
本文基於隴南電網在規劃發展水平年2005年及2010年的四種可能的運行方式下及潮流條件,計算出了計入線路充電無功及投入成縣變低壓並聯電抗器后的潮流分佈,在設定甘肅大網側及碧口電廠側母線電壓恆定條件下,計算了330kv及220kv主變在有載調壓標準分接頭變比下的330kv及220kv母線電壓水平。Two generating methods of compensation current are also proposed for the purpose of eliminating detuning or limiting harmonic voltage contents, in which the compensation current is the weighted superposition of filter harmonic currents or voltages and the regulating factor
針對消除失諧或限制諧波電壓含量的不同控制目標,提出了諧波磁通補償電流的兩種生成方法,補償電流分別是濾波器電流或母線電壓中各次諧波分量與調節系數的加權合成。A novel topology of dc - rail zvt voltage source three - phase pwm inverter is advanced. the principle, design considerations, modulation index and efficiency of the proposed inverter are discussed in detail
提出了一種新型直流母線零電壓過渡電壓源三相pwm逆變器,並對該電路的工作過程、參數設計、調制系數以及工作效率等進行了詳細的分析和試驗研究。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。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。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。Moreover, while changing link state of equipments between power line, generatrix, transformer and generator which are manipulated by jiangsu province ' s control center and bidding and retreating correlated relay protector and automatic safty safeguard, project company may obey related regulations of schedule discipline
項目公司在改變由江蘇中調調度的線路、母線、變壓器、發電機之間的設備連接狀態和投退有關繼電保護和安全自動裝置時,應服從調度規程的有關規定。分享友人