放電端電壓 的英文怎麼說
中文拼音 [fàngdiànduāndiànyā]
放電端電壓
英文
voltage at discharge end- 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...
- 端 : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
- 壓 : 壓構詞成分。
- 放電 : [物理學] (electric) discharge; electro-discharge; discharging
- 電壓 : voltage; electric tension; electric voltage
-
The power ’ s quality is decided in the system performance, the amplifier has 4 groups ’ power sources, input 220v through the filter, the transformer transformation, the full - wave rectification, finally through manostat leveling off voltage, after the electric capacity filter outputs
電源質量的好壞是決定系統性能的一個重要因素,放大器共4路電源,輸入220v通過型濾波,變壓器變壓,全波整流,最後通過三端穩壓器穩壓,電容濾波后輸出。Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively
其次,理論分析和模擬研究結果表明,由於復位脈沖的非理想特性,單周控制的全橋開關功率放大器輸出端存在直流偏置問題,其大小與復位脈沖的寬度成正比。針對輸出直流偏置問題,提出了電壓補償的改進方案,給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice
空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變,間隙上承受了非常高的電壓,這使得冰凌尖端的電場變得相當強,一旦電場達到了電暈的起始電場,局部放電就在這一區域發生,進而產生局部電弧並逐漸發展成整串的閃絡,泄漏電流迅速增大,同時伴隨著冰的融化。The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement
偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生的偏置磁場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。The surface semi - conducting layer is widely used to control the electric field and suppress the surface corona discharge in both hv power cable termination and the end turns of hv generator stator winding
摘要表面半導電層結構可以均勻電場和抑製表面電暈放電,因此被廣泛應用於高壓電力電纜接頭和高壓發電機定子線圈端部絕緣中。Based on the requirement of electrica l power plants, we designed a new type of sensors for stator winding partial discharge measurement online. the sensors are of good insulation, high sensitivity, easy installation on site, and good safety, suitable for on - site application
根據現場的要求,本文研製出一種非接觸式空氣電容傳感器,它具有頻帶寬、絕緣性能好、靈敏度高的特點,可以在高壓端測量高頻放電脈沖,可以代替各種接觸式傳感器在發電機高壓母線端進行在線局部放電監測。Based on a number of charging and discharging experiments, a thought is put forward that the polarization may be detected according to the terminal voltages at charging, terminal voltage at the short pause, and the soc ( state of charge ) ; the depolarization by momentary discharge according to the reference of optimal curve
在論文撰寫過程中,作者主要進行了如下方面的研究: -對鉛酸蓄電池的電化學機理進行充分研究,並在大量充放電實驗的基礎上,提出了依據蓄電池充電時和停充瞬間的端電壓和蓄電池荷電狀態檢測蓄電池極化狀況的思想。 -依據最佳曲線給定,採取瞬間放電減少極化。Design the good - working signal processing circuit of the sensor, including the signal collecting circuit of three output polars the coupling circuit using capacitance and resistance the alternating amplify processing circuit and the stabilization voltage supply circuit
設計了性能良好的信號處理電路(包括銻化銦磁阻三端輸出型信號採集電路、阻容耦合型交流濾波放大電路和穩壓電源電路三個部分) 。Also, we select the signal collecting circuit of three output polars, the coupling circuit using capacitance and resistance, the alternating amplify processing circuit, the positive feedback retardation comparsion, the driving circuit of output current and the stabilization voltage supply circuit
選擇了insb磁阻三端輸出型信號採集電路,阻容耦合型交流放大電路,正反饋遲滯型電壓比較器和大電流推挽驅動電路及穩壓電源電路。Then, the tips were aligned to the same height by means of electro discharging, in which 200 volts were applied between each tip and the surface of 1 - m naoh water solution
用放電法把尖端截成同樣的高度,放電法中將200伏的電壓加在每個尖端和1m氫氧化鈉溶液的表面。For low distortion, the drains ( or collectors ) of a differential amp " s front - end should be bootstrapped to the source ( or emitter ) so that the voltages on the part are not modulated by the input signal
為了得到低失真,差分放大器前端的漏極(或集電極)應該被引導到源極(或射極) ,這樣埠電壓就不會被輸入信號調制了。In the paper a gmc filter with a cutoff frequency of 29. 8mhz is implemented. an effective improvement is made in cmfb ( common mode feedback ) through using a differential amplifier with four inputs. transconductors are tuned through comparing two voltages, which helps to stabilize the cutoff frequency
文中實現了跨導電容濾波器,其截止頻率達到29 . 8mhz ;採用四輸入端的差分放大器使共模反饋得到了有效的改善;通過簡單的電壓比較實現跨導器的調諧,有助於穩定截止頻率。In addition, in order to protect the circuit in the condition of high current in the busbar, the design plan is added by high voltage protect circuit and voltage monitor and control circuit and power discharge circuit
另外,為了防止在母線大電流情況下,特製線圈感應電壓過大導致後端電路燒毀,為電路增加了過電壓保護、電壓監控保護和能量泄放電路,起到保護器件的作用。When the signal source of an op - amp contains an energizing voltage which is much higher than the op - amp supply it is common to use a diode and a current limiting resistor to protect the op - amp in the event of a sensor short - circuit
為了防止信號源竄入高壓損壞放大器,常見的做法是在放大器輸入端到放大器電源間串接一個二極體,並且在放大器輸入端串接一個限流電阻。To shorten charging time and improve charging efficiency, the circuit can change the charging electric current automatically according to real time voltage of the battery, and dispel the polarization phenomenon by narrowing pulse discharge in the whole course
該電路可根據蓄電池端電壓自動改變充電電流大小,並通過全程窄脈沖放電消除了充電過程中的極化現象,縮短了充電時間,提高了充電效率。Utilizing the design of external shell, dual axis capacitive accelerometer was succeeded, and the sensitive properties were characterized and analyzed. with the assistance of signal processing circuit consisted of amplifier circuit and filter circuit, the signal from the sensitive chip is converted into the voltage signal that meets the product performance requirement. moreover, we employed micromechanical technique to fabricate the
後端信號處理電路通過放大電路及濾波電路,將敏感晶元輸出的電壓信號轉換成符合產品性能指標的電壓信號,經過電路模擬及實驗驗證了電路的可行性;利用精密機械加工技術製作的外殼使得傳感器整體化、小型化;對產品實際性能測試和環境試驗后表明,該傳感器主要技術指標滿足設計要求。In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del
均質材料cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同時進行測量;熱導率採用激光微擾法( tc - 7000 )于真空狀態下進行測量;其次,在對均質材料cosb _ 3和bi _ 2te _ 3熱電傳輸特性研究的基礎上,對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的界面溫度進行了優化;為了使結構梯度bi _ 2te _ 3 cosb _ 3熱電材料在300k至800k的溫度范圍內具有最佳的熱電性能,本研究同時對梯度結構熱電材料當中均質材料cosb _ 3和bi _ 2te _ 3材料的長度進行了優化設計;第三,通過兩步放電等離子燒結的方法制備出了結構梯度bi _ 2te _ 3 cosb _ 3熱電材料;採用理論計算的方法研究了梯度結構熱電材料平均seebeck系數和溫度的關系;同時為了驗證設計的結果,本論文對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的開路輸出電壓和熱端溫度之間的關系及梯度材料在300k至800k的溫度范圍內使用時的功率輸出進行了相應的研究。The sense amplifier is used to amplify and output the voltage difference on the internal ; signal at the internal terminal
感測放大器則用來放大在內部端點上的內部信號電壓差並且輸出。Introduction, network laws and components, introduction to circuit analysis, network node voltages and mesh currents, network properties ? thevenin ' s and norton ' s equivalent sources, operational amplifiers, equivalent circuits for three - terminal networks and two ? port network
簡介、網路的組件和網路定律、網路分析與節點電壓和綱目電流,網路的性質-載維寧和諾頓的等效電源、運算放大器、三接端網路的等效電路與雙埠網路。The emc of dc pwm power amplifier is analyzed and several measures to restrain the disturbances of pwm power amplifier are put forward. based on the pwm power amplifier in existence, the rcd snubber circuit experiment is carried out and the result shows that the rcd snubber circuit can restrain the voltage surge and the disturbances of dv / dt, di / dt
對直流pwm功率放大器的電磁兼容性進行了分析,提出了抑制pwm功率放大器干擾的幾種措施;在現有的pwm功率放大器上做了rcd吸收電路實驗,實驗結果表明, rcd吸收電路能有效抑制電機兩端電壓浪涌和dv dt , di dt引起的電磁干擾。分享友人