放電調壓器 的英文怎麼說
中文拼音 [fàngdiàndiàoyāqì]
放電調壓器
英文
discharge voltage regulator- 放 : releaseset freelet go
- 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...
- 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
- 放電 : [物理學] (electric) discharge; electro-discharge; discharging
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Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案,面對開關電源朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。Since 1980s he has been studying the mechanism of normalization of abnormal blood pressure and the resetting of baroreceptor reflex by acupuncture and somatic nerve stimulation, effects of brain osmoreceptor stimulation on sympathetic nerve discharge and renal activity, the role of vasopressin in body fluid and salt homeostasis, difference in gene expression between hypertensive and normotensive rats, hypertension and cardiac ischemia - induced myocardial remodeling, effect of steroids on the nervous system, etc. with his research achievements, dr. yao was awarded science and technology progress prize sponsored by the state education commission grade a award in 1986, grade b award in 1995 and by the ministry of health grade b award in 1989 and 1993, grade a award of guang - hua science and technology prize 1995, and chinese universities science and technology prize grade b award in 2000
近二十年來,他主要從事針刺和刺激軀體神經對心血管和腎臟活動的調整作用刺激腦內滲透壓感受器引起的交感神經放電和腎臟活動的改變血管升壓素在心血管活動調節和水鹽平衡中的作用原發性高血壓的相關基因高血壓和心肌梗死引起的心肌重構甾體激素對神經系統的影響等。他的科研成果曾獲得國家教委科技進步獎一等獎一項1986年二等獎一項1995年衛生部醫藥衛生科技進步獎二等獎二項1989 1993年光華科技基金獎一等獎一項1995年中國高校科學技術獎二等獎一項2000年。The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,施加在變壓器繞組上的是同一方向的電壓,變壓器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁化,導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。Meixing electronics factory is major in the vacuum tube stereo power amplifier, which is located in the nanhai city , owned a workhouse over 1300 square meter, with five plant, they are box, seal and transformer circling 、 debugging & check, we also have the machine process, such as milling machine 、 punch 、 drill press 、 electric welding 、 matrix 、 incision machine, and radio tube test machine. we have realize the product line manufacture, the monthly whole output is over 200 sets
美星電子是一個專業製造真空管身歷聲功率放大器的加工廠,位於廣東南海市黃岐工業區,擁有廠房一千三百平方米,工廠分機箱加工、焊接組裝、變壓器繞制、煲機老化、調試檢測五個車間,機械加工設備擁有銑床、沖床、創床、鉆床、電焊、模具製作、切割等二十多臺,電子管及整機檢測調試儀器十餘臺,該廠實現了配套設備、流水作業,每月可生產膽機二百臺以上,可謂中國專業生產膽機最大規模的工廠。Based on an analysis of uhf ( ultra - high - frequency ) characteristic of pd ( partial discharge ) in power transformer, using mixing technique, a signal disposal cell has been devised for the sake of facilitating common data sampling card
摘要在分析了電力變壓器局部放電的超高頻特性的基礎上,利用混頻技術,設計了局部放電超高頻信號的信號調理單元,方便普通數字採集卡採集。( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized
( 8 )進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究,當控制系統調節空燃比在一定范圍按照一定頻率進行波動時,可以提高催化轉化器的轉化效率;通過控制氧傳感器的比較電壓,可以控制催化轉化器的工作窗口,實現排放污染物中, hc 、 co 、 nox轉化的最優匹配。Adjusting digital potentiometer in controlling circuits of sps and capacitor charging and discharging circuit separately with industry control computer ( icc ), the peak value and repeat frequency of output pulse can be adjusted separately. controlling relays to choose different capacitors with icc, the width of output pulse can be adjusted
利用工控機分別調節開關式穩壓電源控制電路和電容充放電控制電路中的數字電位器,就能分別調節輸出陡脈沖的幅值和重復頻率;利用工控機控制繼電器選擇不同的充放電電容,就能調節輸出陡脈沖的脈寬。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電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。Hangzhou jinjiang electric appliance co., ltd. former hangzhou jinjiang electrical appliance factory is specialized in manufacturing thermal protector and starter for compressors of air - conditioner and refrigerator. we take it our responsibility to develop industrial electric appliances ; we are pursuing super quality and first - class service and we are devoted to create a big warm family of openness, coordination, innovation and equality
杭州近江電器有限公司是生產空調冰箱壓縮機熱保護起動器的專業公司,以振興工業電器為己任,追求卓越品質,提供一流服務,共同營造熱情開放真誠協作開拓進取平等競爭的溫馨家園。In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little
此電路利用系統內部基準源產生的電流信號來對電容進行充放電,然後經過控制電路作用后,產生的輸出振蕩波形的上升時間和下降時間非常小,更接近理想矩形波形;通過調節基準源電流信號或者電容值大小,可調節振蕩波形的頻率和占空比,同時溫度和電壓的變化對振蕩器輸出波形頻率穩定度的影響很小。Most drive systems offer a choice between transistorized silicone - controlled rectifiers and pulse width modulation over the full range of amplified voltages
大多數驅動系統提供兩個調節全程放大電壓的選擇:晶體管化的硅樹脂控制整流器和脈沖寬度調制器。The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution
其中的有載調壓分接開關,它是一種完全由固態繼電器作為分接開關執行機構,由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構,由單片機根據變壓器二次側電壓的高低,決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快,改變分接頭時不需過渡電阻,沖擊電流小,可頻繁操作;無電弧產生,可以直接放在變壓器油箱中;結構簡單,造價低,便於在配電變壓器中推廣使用。All the amplifier circuits are screwed on the heat sink, shielded in order to reduce rf emissions and supplied with a + 32v voltage regulator
所有的放大器電路是被擰在熱量接收器上的,為了減小射頻熱散發,所有的放大器是被遮蔽的,並由一個+ 32v電壓的調整器來供應。And the ways to optimize the circuit architecture, minimize the circuit nonidealities and improve the circuit performance are analyzed combined with the characteristics of the modulator architecture. based on it, the switched - capacitor integrator, class a amplifier, nonoverlap clock, voltage reference, comparator, feedback dac have been designed. in the end, the layout design is shown
調制器採用全差分開關電容電路實現,並根據系統結構特點就如何優化電路結構、克服電路中存在的非理想特性、提高電路性能作了具體分析,在此基礎上完成了開關電容積分器(開關、電容、運算放大器) 、參考電壓源、比較器、兩相非交疊時鐘、反饋dac等模塊的電路結構和參數設計。In the thesis, some of the most important functional modules of the pwm power control ics are designed and simulated, including error amplifier, voltage reference, voltage regulator, comparator, and oscillator. the topologies, schematics and layouts of some circuits are introduced and developed
本畢業設計研究和提出了構成pwm電源控制晶元的主要功能模塊,設計了其中主要模塊ip核的多種結構電路並進行了模擬,完成了部分電路的版圖設計? ?包括誤差放大器,基準電壓源,電壓調節器,比較器,振蕩器等。With the application of real - time multi - tasks mechanism and modulization software structure, the controller can set and modify the parameters on - line, collect and process the real - time data of the four - battery charge / discharge devices, termly and digitally regulate the closed loop and monitor the real - time faults, so that the system can control different styles of charging and discharging operate mode such as in constant current style, constant voltage with limited current style and static style
控制器軟體採用實時多任務機制和模塊化的設計思想,通過對蓄電池化成充放電過程中工藝參數的在線設定修改、實時數據的採集處理、定時的數字閉環調節和故障的監測,實現對蓄電池靜電、恆流、恆壓限流等多種充放電工作方式的控制。We design, develop, manufacture and market a broad range of. st company provides series of semiconductors, such as amplifier, comparator, voltage adjuster, and logical function such as nand and inverter, .
St公司提供的一系列器件,如運放比較器電壓調節器和邏輯功能如and門以及倒相器,滿足了各類應用領域的性能標準。In this dissertation, a boa - type waveguide optic switch with double - heterostructure gaas / gaalas has been researched. gaas - based integrated optical devices have good temperature, good anti - radiation and optical - transmission characteristics, and also have wide transparent range of wavelength. they can also be integrated on a chip with optical active devices and electronic devices, such as semiconductor laser, optical modulation, optical amplifier, pin, and so on
基於gaas材料的集成光學器件不僅具有良好的光傳輸特性、溫度特性、抗輻射能力和其較寬的透明波長范圍,還有望進一步實現晶元與光源、光調制器、光探測器和半導體光放大器等其它光電器件以及集成電路的單片集成;採用gaas gaalas雙異質結材料製作的光開關可以得到較低的開關電壓,而且採用gaas gaalas異質結材料的光傳輸損耗很小。Abstract : the multifunctional inverter power sourcethe handy inverter welding, plating & charging manchine, developed with advanced inverter and micro - electronics control techniques, adopts “ half - bridge power expansion supply midpoint voltage autocontrol setting ”, and technically and effectively having solved inverter subvision of inverter power expansion circuit for leaning magnetism, reliability of high - power inverter setting, achives combination of constantcurrent and constantvoltage export, and realizes low - voltage dc and high - voltage ac double power supply
文摘:運用先進的高頻逆變技術和微電子控制技術設計研製的逆變式多功能電源便攜式逆變焊鍍充電多用機,採用「半橋式功放級供電中點電壓自動控制調節裝置」 ,在技術上解決了逆變功放電路因偏磁而造成的逆變顛覆,有效地解決了大功率逆變器的可靠性問題;進行多種外特性的綜合設定,實現了恆流與恆壓輸出的合一;與傳統焊機相比,實現了開環和閉環狀態下都互不影響的低壓直流電瓶和高壓交流雙供電分享友人