電橋比 的英文怎麼說
中文拼音 [diànqiáobǐ]
電橋比
英文
bridge arm ratio-
Reminiscences of coincidences, truth stranger than fiction, preindicative of the result of the gold cup flat handicap, the official and definitive result of which he had read in the evening telegraph, late pink edition, in the cabman s shelter, at butt bridge
他想起了金質獎杯平地障礙賽的結果曾怎樣通過一連串巧合預示了出來。事實真是比虛構還要奇妙：他是在巴特橋的馬車夫棚里，在電訊晚報的粉色最終版上讀到這場賽馬正式的確切結果的。A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。Based on the special load of the contactless system, this paper analyses and contrasts the principle and feature of the series and parallel resonance circuit. design the high frequency full - bridge series resonance converter and make the main circuit apply to the contactless electrical power deliver system and analyses the process of the main circuit in detail
根據無接觸電能傳輸系統特殊的負載特性，詳細分析並對比了並聯和串聯逆變器的工作原理及電路特點，設計出應用於無接觸系統中的高頻全橋串聯諧振逆變器的拓撲結構，進而設計並製作了系統的主電路，詳細的分析了主電路的工作過程。Verification regulation of transformers turn ratio test sets
變壓比電橋檢定規程Verification regulation of dc comparator bridge
直流比較儀式電橋檢定規程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。Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed
文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程，在平面二維數值模擬計算的基礎上再進行河工模型試驗，比較分析各防洪整治方案下潼南河段水流條件的變化，及其對上游防洪、河道、大橋、電站、航運、河勢的影響，提出合理可行的工程方案This null-balance system is usually more accurate than the direct-readout bridge.
這種調零系統通常比直讀電橋更精確。Different power circuits and control strategy of the single phase inverter in parallel condition are first analyzed, and half - bridge inverter is selected as the power circuit and current hysteresis control is selected as the control strategy
本文首先對單相逆變器的主電路結構和控制電路的結構在並聯條件下進行了比較分析，最後選用了半橋結構的主電路和內環為滯環控制的瞬時電壓電流雙閉環反饋控制方式。Maputo mozambique 07 dec the swedish government has granted a 22 million euro loan to mozambique to partially finance construction of a new bridge over the zambeze river in the country s central region mozambican daily di rio de not cias de maputo reported tuesday
莫三比克馬普托12月7日電莫三比克新聞日報周二報道，瑞典政府為莫提供2200萬歐元的貸款，以支持莫中部贊比西河新橋的建設。Maputo, mozambique, 07 dec ? the swedish government has granted a 22 million euro loan to mozambique to partially finance construction of a new bridge over the zambeze river in the country ' s central region, mozambican daily di rio de not cias de maputo reported tuesday
莫三比克馬普托12月7日電莫三比克《新聞日報》周二報道，瑞典政府為莫提供2200萬歐元的貸款，以支持莫中部贊比西河新橋的建設。It is evident from above two expressions when the btl circuit and the ocl circuit operate under same power supply voltage and same load, the output power of the former is four times of that for the latter
對比以上二式不難看出：橋式電路和單端電路在電源電壓和負載相同條件下，前者的輸出功率為後者的四倍。This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved
本文提出了一種採用修補spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變；逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器，提高了系統的動態響應指標；系統設計了完善的保護措施，並具有市電電網的故障診斷功能。Highlink believes it ' s a small world when there ' re friends around, we ' d like to be the bridge between you and your customers by providing voice & data services, internet access, enterprise virtual private network ( vpn ), e - commerce, enterprise telecommunications integration, telecommunications project design / construction and building / residential telecommunications facilities, and customized value - added telecommunication services
海鄰電訊以「海內存知己，天涯若比鄰」為服務理念，為客戶提供語音/數據專線、網際網路接入、企業虛擬專用網（ vpn ） 、電子商務、企業通信整合、通信項目的設計/施工及樓宇/住宅通信配套，並根據客戶需求提供定製化的增值電信服務，輔助客戶通過海鄰電訊搭建的通信橋梁，溝通無限。By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析，得到了如下主要結論：採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍，減小了次級占空比丟失，降低了逆變電阻點焊電源的開關損耗；諧振電容是影響軟開關工作狀態的重要因素，其大小不僅影響開關管的零電壓關斷，同時也影響開關管的零電壓開通范圍，因此，諧振電容應該綜合考慮；功率變壓器漏感越大，越容易滿足滯后橋臂的軟開關條件，但是大的漏感也使變壓器的通態損耗增加，降低了軟開關逆變器的效率。Verification regulation of rf swr bridge
高頻駐波比電橋檢定規程Verification regulation of dc comparison bridge
直流比較電橋檢定規程And then, a method of load - flow low - pressure measurement was proposed in the light of the hydraulic - resistance theory of servo valve. the validity of the method was proved by the experimental results. therefore, the measurement of the characteristic of load - flow and no - load flow can be realized by using this method
然後根據電液伺服閥的液橋理論提出了一種負載流量低壓測量方法，在所開發的測試系統上，利用電液比例閥模擬流量測量裝置對所提出的方法進行了試驗驗證，實現了利用低壓流量計和壓力傳感器進行電液伺服閥負載流量特性和空載流量特性的測量。The conductive performance of conductive powder filling asphalt concrete is improved by adding a few chopped carbon fibers. carbon fibers play a role of the conductive bridge effect and the short circuit effect because of high long / diameter ratio, improving the conductive mechanism of electron
摻入少量短切碳纖維可明顯改善導電粉末填充瀝青混凝土的導電性能，發揮碳纖維大的長徑比所具有的導電橋梁作用和導電通路短接作用，改善電子的導電機制。Universal ratio bridge
萬能比例臂電橋分享友人