過電壓抑制器 的英文怎麼說

中文拼音 [guòdiànzhì]
過電壓抑制器 英文
excess voltage suppressor
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 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...
  • : 壓構詞成分。
  • : Ⅰ動詞(向下按; 壓制) restrain; repress; curb Ⅱ連詞[書面語]1 (表示抉擇) or 2 (表示轉折) but3 ...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 電壓 : voltage; electric tension; electric voltage
  • 抑制 : 1 (控制) restrain; control; check; hold up; curb; stop; repress; bridle; choke; prehension; sup...
  1. Series reactor is applied to ac power system with rated voltage of 6kv - 63kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation. it can restrain harmonic current and surge current in capacitor banks so that the capacitor will operate reliably

    Ckdk型串聯,適用於6 63 kv力系統中,與並聯相串聯,用以波形畸變,從而改變網質量和保證力系統安全運行組的諧波流和限合閘涌流,從而保護的安全可靠運行。
  2. Dry - type air - cored series reactor is applied to ac power sys - tem with rated voltage of 6kv 10kv 35kv and series connected with shunt capacitor banks for restraining wave distortion in grid voltage so as to improving the quality of power system and ensure the safety of its operation

    乾式空芯串聯適用於6kv 10kv 35kv力系統中與並聯組串聯,用於波形畸變,從而改善網質量和保證力系統安全運行,組的諧波流和限合閘涌流,從而保護使之安全運行。
  3. Electric traction ; overvoltage suppressors in d. c. circuits

    力牽引.直流路中過電壓抑制器
  4. This article through installs the reactor with air core in the transformer substation transmission, to control the thunder electric wave amplitude and steepness in the transformer substation ; through over voltage on - line monitoring device testing, inquire into lightning protection of the reactor with air core

    本文通在變站的輸線路的出口處加裝空心,對通線路侵入變站的雷波的幅值和陡度進行;並通安裝在線監測裝置進行測試的方法,初步探討了空心防雷的作用。
  5. 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

    並聯成套裝置主要由櫃或鋼架負荷保護專用熔斷裝置專用放線圈或互感涌流限高次諧波的空芯和限的無間隙氧化鋅避雷及高真空開關
  6. In at power supply system some transformers with special connection mode, such as scott transformer, anti - scott transformer, balance transformer and so on, are usual used. the voltage ratio is one of important parameters of transformer

    採用斯科特變、平衡變等特殊接線方式變作為主變,能有效負序流,減少有功損耗和損失,提高牽引機車的負載能力。
  7. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式路,並輔以晶閘管的保護路,通可以得到低頻正弦波的流)輸出;控迴路主要以87c196kccpu為核心,其外圍路包括同步路,脈沖拓寬路,功率放大驅動路等,完成了數字觸發、數字調節、模數轉換等功能;進線源變具有變和隔離作用;環流則實現了有效主迴路瞬時脈動環流的功能。
  8. 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

    並聯成套裝置主要由櫃或鋼架負荷保護專用熔斷裝置涌流限高次諧波的空芯和限的無間隙氧化鋅避雷及高真空開關等設備組成。
  9. So this paper analyzed the running state by taking account of power over - voltage, resonance over - voltage and voltage flash, and propounded the strategy that voltage flash were controlled by using static var compensator ( svc )

    本文從影響配網的三個因素:工頻、諧振以及閃變入手,分析了現代配網的運行狀態。並提出用靜止無功補償( svc )閃變的控策略。
  10. Two single - stage pfc converters with the negative feedback of engergy - storage capacotor voltage by transformer windings are analyzed. the two converters have similar performances, and they can be translated each other, which verified the translation rule. the analysis and simulation show that with the negative feedback of energy - storage capacitor voltage by transformer winding have good performances

    對兩種採用變繞組實現負反饋的單級pfc變換研究,結果顯示出它們的相近性,驗證了兩端模式和三端模式的轉換規則,同時也說明採用變繞組實現負反饋的方式對有很好的效果,並對其進行了優化設計。
  11. Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure

    理論計算和模擬分析,比較了並聯型apf的幾種控策略的優點和缺點,從中選擇瞬時無功理論控策略i _ p - i _ q計算方式為指令流產生的演算法,並在此基礎上增加了系統諧振和平衡直流側的控;比較了並聯型apf主路的兩種常見形式,從中選擇了三相型變流的主路形式;算出適合該apf的直流側容和出線感的參數;設計出能有效消除apf產生的高次諧波的高通濾波
  12. By means of resistance and capacitance coupled negative feedback method to control the plasma discharge development process and prevent the transition from glow discharge to spark discharge in a pin - to - plate static air plasma generator, a stable alternative current atmospheric glow discharge is produced successfully

    在靜態大氣空氣針板等離子體發生中,採用阻容耦合負反饋方法控等離子體放發展程,成功地了輝光放向火花放渡,產生了穩定的交流輝光放
  13. Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable

    現代交流勵磁機( acem )採用子變流作為勵磁裝置,其勵磁諧波含量豐富,難于獲得諧波分析所需的基準,同時交流勵磁機經常工作在同步轉速附近,致使勵磁頻率極低甚至為直流,通常的諧波檢測方法和理論都無法適用,因而這是一種目前尚未深入探討的復雜供用系統力諧波問題的研究。
  14. The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles

    它運用規則采樣法產生正弦脈寬調波,通開關角的控逆變輸出中的諧波分量,降低了動機的損耗和轉矩脈動,使動車的運行性能得到了較大改善。
  15. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的石英基片上製作出損耗小於5db 、有載品值因素( ql值)超1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振。並採用噪聲系數為1 . 25db的低噪聲系數放大,精心設計路,優化設計布置印製路板,用標稱頻率為1ghz的聲表面波諧振為頻率控元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波達80db以上的低相位噪聲聲表面波振蕩
  16. Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    文摘:提出諧振濾波不能很好地濾除高頻諧波的問題,結合一個具體例子理論推導了諧振濾波存在許多干擾諧振頻率,從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題,提出一種改進型的靜激勵諧振濾波.為了說明其可行性,具體分析了改進型雙端固支微梁靜激勵諧振濾波,理論推導證實基於雙端固支微梁的各階振型正交的原理,通適當調整激振容的間距,雙端固支微梁的高階振動模態受到很好的,因此這種諧振濾波可以有效阻止濾波中心頻率的高頻諧波的通
  17. Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    提出諧振濾波不能很好地濾除高頻諧波的問題,結合一個具體例子理論推導了諧振濾波存在許多干擾諧振頻率,從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題,提出一種改進型的靜激勵諧振濾波.為了說明其可行性,具體分析了改進型雙端固支微梁靜激勵諧振濾波,理論推導證實基於雙端固支微梁的各階振型正交的原理,通適當調整激振容的間距,雙端固支微梁的高階振動模態受到很好的,因此這種諧振濾波可以有效阻止濾波中心頻率的高頻諧波的通
  18. Harmonized system of quality assessment for electronic components - blank detail specification : unidirectional transient overvoltage suppressor diodes

    子元件質量評定協調體系.單向瞬態二極體空白詳細規范
  19. 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合格和無功基本平衡,且能滿足變站對有載調分接頭日調節次數和並聯補償組的日投切次數的限。通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要求,對上述模糊控策略進行了改進,模擬結果證明改進后的控策略能滿足不同負荷時段對和無功的要求、或無功突變情況下的誤動作,且有效地減少了有載調分接頭和並聯補償組的調節次數。最後基於變站scada系統設計了一后臺無功綜合控軟體模塊。
  20. According to calculation, synchronous closing can reduce the value of over - current and over - voltage in the closing transient process. the closing of capacitor is taken as an example to analyze movement process of synchronous closing. it also analyzes the impact of pre - strike characteristic, environmental temperature and control voltage on synchronous closing

    計算分析了同步關合技術對合閘暫態程中流和作用,並以的同步關合為例,分析了同步關合的動作程及預擊穿特性、環境溫度,控等外界因素對同步關合技術的影響。
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