補償電流 的英文怎麼說
中文拼音 [bǔchángdiànliú]
補償電流
英文
compensating current- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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In order to obtain the most economic benefits, the paper utilized the theory of " homalographic characteristic " and " share alike compensation current characteristic " to build up the best compensation relation for " hour - current " curve applied to transformer substation and for " length - current " curve applied to distribution line
以獲得最大經濟效益為目標,利用「等面積特性」和「補償電流等分特性」理論。推導了應用於變電站的「時間?電流」曲線關系中存在的最佳補償關系,以及應用於配電線路的「長度?電流」曲線關系中存在的最佳補償關系,及補償后的經濟效益計算模型。Can technology traits are analyzed, and can technology is applied on the power factor dynamic compensation system. on the basis of analyzing thoroughly the theories and techniques, software module of power factor dynamic compensation system are classed and their time - period is analyzed. the techniques of real time sampling idle current and generating compensation current are simulated with software
在分析電網的頻率特性和功率因素動態補償系統的性能特點基礎上,對功率因素動態補償系統的軟體功能模塊進行了層次劃分和時序特點分析;對無功電流實時檢測、無功補償電流的產生等技術實現了軟體的模擬。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。After which, the battery will be charged by large constant current to allow the fast charging. finally, the constant voltage charging is adopted to guarantee the battery was charged to its full capacity. under the condition that the temperature has raised to a certain threshold at the constant current charging stage, the over temperature circuit is performing and it provides a compensation current which switches the system to constant temperature charging mode with the intention of protecting the ic
即在充電初期採用較小的電流對電池進行預處理,對出現過放電的電池進行修復和保護;然後採用較大的恆定電流對電池充電,實現快速充電的目的;最後採用恆定壓充電,確保電池充滿;在恆流充電階段,當晶元溫度上升到一定程度時,晶元過熱保護電路開始工作,該電路以提供充電補償電流的形式使充電進入恆溫充電模式,對晶元進行保護。By regulating the compensation current injecting into the compensation winding of the reactor, the reactor inductance at different harmonic frequencies can be independently and continuously adjusted
有源電抗器由一對耦合繞組和一個補償電流發生器組成,通過控制有源電抗器補償繞組中的諧波磁通補償電流,可以獨立且連續地調節電抗器在不同諧波頻率下的電感量。In this thesis, phase - locked loop ( pll ) technogies are used to acquire phase of fundamental current in bais current, which enhances the detecting precision of bais current. and we want the phase of bais current and the phase of system current is the same, so this thesis think of locking the phase of bais current which based on this theory to sure the security and the reliability of apf
本文採用鎖相技術,以獲得畸變電流中基波電流的相位,進一步提高了畸變電流的檢測精度,並據此原理考慮鎖定補償電流的相位,使補償電流與系統電流相位同步,保證apf安全可靠運行。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。By realtime detecting harmonics and reactive current in the power line, then generate the compensate current which is equal to the harmful current in amplitude and opposite in direction, realtime compensation is achieved
它通過實時檢測電網諧波和無功電流,然後產生與之大小相等、相位相反的補償電流,進行實時補償。Two schemes to realize the new detection approach and according apf are accomplished and verified. ( 1 ) the lcc detection method using a feed - forward multilayer ann to realize the adjustment of lcc
提出並完成了兩種不同的實現方案: ( 1 )前饋多層ann實現補償電流有效值最小的調節方案和相應的apf電路。In this method, the similar inductance is used to extract the excitation current of ct, which, through some electronic circuits, turns into proper compensation current and is injected into the compensation winding. this current replaces the exciting current, so the error is reduced
本文的實現方法是採用具有與電流互感器鐵芯相似磁特性的鐵芯製成的電感提取電流互感器的勵磁電流,將該勵磁電流經過一些電子電路的處理,產生補償電流,注入補償繞組,從而減小電流互感器的誤差。Input offset current
輸入補償電流Based on the whole chip function requirements, sub - block design and simulation were completed, including bandgap voltage reference, oscillator, slope compensation, current sensing, control and drive logic
在子電路的設計上,作者主要介紹了帶隙基準電壓源、振蕩器、斜坡補償、電流感應、控制和驅動邏輯。Abstract : in this paper, the shunt active power filter can compensate the harmonics generated by the harmonic source of current source type well, and it is built into models and simulated by the power system blockset, toolbox of matlab
摘要:並聯型有源電力濾波器可較好的補償電流源產生的諧波,利用matlab中的電力系統模擬工具箱對其進行建模與模擬。In this thesis, firstly, a new distortion current detection theory and approach based on the least compensation current ( lcc ) is presented, and an apf using the new lcc detection method is investigated
首先,在對電力諧波的產生、危害及目前最新的治理措施進行必要的論述和分析的基礎上,提出一種基於最小補償電流的畸變電流檢測的新理論和方法和相應的補償電流最小的單相有源電力濾波器。Forward - backward method is usually used in radial distribution networks. in weakly meshed distribution networks compensation current method is used. it open the loops on some nodes, on the open points compensation currents are used to simulate the power flow before opening
其中之一是採用配網潮流計算中常用的前推回推法計算輻射狀網路潮流,對於弱環網的處理時採用補償電流法,其思想是將環打開,在開環處以一電流源模擬開環前的狀態。The action of current tracking control circuit is : 1 ) the instantaneous reactive current yield the instruction current of the compensating current according to the reactive current testing circuit got, 2 ) according to the interrelationship of the instruction current and the real compensating current, yields pwm ' s control signal controlling each units of main circuit ducting, the result of controlling pledges the compensation current following the tracks of his instruction current ' s change
電流跟蹤控制電路的作用是: 1 )根據無功電流檢測電路得到的瞬時無功電流得出補償電流的指令電流, 2 )根據補償電流的指令電流和實際補償電流之間的相互關系,得出控制主電路各個器件通斷的pwm控制信號,控制的結果保證補償電流跟蹤其指令電流的變化。主電路的作用是根據電流跟蹤控制電路輸出的控制指令,產生實際的補償電流。Most researches on apf are focused on main circuit configurations ( series - type, shunt - type, compound - type ), harmonic current detection approaches and control strategies to compensate current, etc
有關有源電力濾波器的研究主要集中在主電路結構形式(串聯、並聯和串並聯) 、諧波電流檢測方法和補償電流的控制方法等方面。Researches on apf are focused on main circuit structure forms ( series - type, shunt - type, series - and shunt - type ), harmonic current detecting approaches and control strategies to compensate current etc. this paper mainly deals with harmonic current detecting approaches
有關有源電力濾波器的研究主要集中在主電路結構形式(串聯、並聯和串並聯) 、諧波電流檢測方法和補償電流的控制方法等方面。本論文重點研究了諧波電流的檢測方法。分享友人