自感應電流 的英文怎麼說
中文拼音 [zìgǎnyīngdiànliú]
自感應電流
英文
self induction current- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 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...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
-
The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。During the period of measurement, the transduction circuits transform the differential pressures, the absolute pressures and the temperatures received by the sensors into the voltage signals, and then, the voltage signals are transformed into digital signals by the a / d convertor. the mcu processes these digital signals and calculates the cumulation of the flow. finally the totalizers contact with the pc by rs - 485 bus to form a distributed measuring network
在測量過程中,系統以流量計節流所獲得的差壓信號作為主信號、絕壓和溫度信號作為補償信號進行流量積算,這三種信號分別由相應傳感器感知后,經各自的物理信號測量電路轉換為電信號,再由a / d轉換模塊轉變為數字量,交微控制器進行處理、積算。Check if the lamp - tube is burnt out, or if the starter in the outer ballast - box fails ( induction ballast ). if serious malfunctions occur on the uv lamp, never dismantle and repair it by yourself, have if repaired by the manufacturer of professionals
檢查燈管是否燒壞,或外置鎮流盒中啟輝器是否有問題(指電感鎮流器) uv燈如出現較嚴重的故障,請勿自行拆修,應由生產廠商或專業人士進行。Jdy - 002 full frameless glass door electric bolt delayed time : 0s, 3s, 6s, 9s monitor output point no nc, automatically cut off the detection point after 14s when locked working voltage : 12vdc start current : 0. 85a, working current : 0. 25a features : voltage range : 9 15v with led, no noise bright silver cover left - opened type and right - opened type can be widen more than12mm dimension : 205 x 55 x 40mm weight : 1260g right - opened type left - opened type yiwu qimingxing computer company copy right
Jdy - 002全無框玻璃門電插鎖此款為右開門此款為左開門可調試延時啟動時間: 0 3 6 9秒監視接點輸出no nc信號,門上鎖后14秒自動切斷感應點使用電壓12vdc ,啟動電流0 . 85a ,持續工作電流0 . 25a特點:具指示燈,無噪音適應電壓寬度9 - 15vdc可夾玻璃門寬度為12mm亮銀色面板,分為左右兩款外形尺寸: 205 x 55 x 40mm重量: 1260gBased on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation
作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法,提出了採用電測法並結合電機效率特性曲線測量水泵軸功率,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應線圈法測量電機轉速,彌補了其它轉速測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。And simultaneously elaborated implements erp the prerequisite. the service flow reorganizes ( bpr ) management thought ( 4 ) using practice opportunity with erp, economic society benefit, feels it which in the practice which to bring in the management change as well as produces. thoroughly ponders, proposes oneself regarding this software improvement suggestion finally proposed to future enterprise information conception, namely front has crm ( the customer relations manages ), middle erp ( the enterprise resources plans ), scm ( supplies the chain to manage ). latter has b2b the electronic commerce support
並同時闡述了實施erp的前提條件? ?業務流程重組( bpr )的管理思想運用實踐機會,親自接觸erp軟體,在實踐中感受它帶來的管理方法上的變化以及所產生的經濟社會效益,深入思考,提出自己對于該軟體的改進建議最後提出了對未來企業信息化的構想,即前有crm (客戶關系管理) ,武漢理工大學碩士學位論文一中間erp (企業資源計劃) , scm (供應鏈管理) ,後有bzb的電子商務支持。In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good
在模擬過程中,針對1 . 5kw和18kw異步電機進行了模擬,並在此基礎上提出兩種簡化控制方式;在tms320f240的具體編程過程中,分別對自適應濾波器的有限字長效應、直流偏置效應等非理想因素進行了修正和補償;最後,在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗,實驗結果表明了演算法完全可以達到預期的目標。Cool wall wizard dreaming to automatically download various colors wallpaper to work intensely all day into your computer, no longer feel monotonous and boring ; extremely rich in the network wallpaper, the 12 classification, support manually download new wallpaper ; intelligent frame rapid trimming technology, adaptive various popular display size ; timing can be manually or replacement of desktop wallpaper, different timing of the transformation also supports random transform mode ; circle player in the process, support the insertion of local wallpaper, wallpaper and local networks of pictures that turn ; to hide / show desktop icons, wallpaper and user - friendly viewing ; since the launch set to boot, the first time you gave surprise ; cool wall wizard provide three kinds of styles console skin ( white fashion, classic black, gray and elegant ) ; wallpaper borders can set the color to the background transparent desktop text
雪狐酷壁精靈自動下載各類絢麗的壁紙,讓整天對著電腦埋頭工作的你,不再感到單調、無聊;極豐富的網路壁紙庫,十二大分類,支持手動下載新壁紙;智能邊框快速切邊技術,能自適應各種流行的顯示器尺寸;可以定時或手動更換桌面壁紙,提供不同變換時間的選擇,還支持隨機變換模式;循環播放過程中,支持插入本地壁紙,實現網路壁紙和本地圖片的交替顯示;可隱藏/顯示桌面圖標,方便用戶觀賞壁紙;允許設定開機自啟動,第一時間就給你驚喜;酷壁精靈提供有3種風格的控制臺皮膚(白色時尚、黑色經典、灰色典雅) ;還能設置壁紙邊框的顏色,讓桌面文字的背景透明。Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed
本論文主要關注小波分析在電機性能自動測試系統中的應用,針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足,以直流電機為例,提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路;較系統地總結了時頻分析和小波變換的基本理論,深入探討了基於小波脊線和小波曲線的瞬時頻率提取,並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。The piezoelectric immunosensors are highly sensitivity, ease to digitize and real - time output. it can on - line, continuous determine, ease to combine with techniques of flow - injection analyze and realize to automation
壓電免疫傳感器具有結構簡單、成本低廉、操作簡便、高靈敏度、高選擇性、干擾小、響應時間快等優點,而且能夠在線,易於和流動注射分析技術結合併實現自動化,從而可進行連續測定。The optical structure on solenoid collecting magnetic field is designed applying the above principle, which can improve the stability of aoct greatly. according to iec660044 - 8, the performance of aoct is examined roundly applying the standard testing system authenticated by the state authority. the results indicate that the measurement precision of the aoct has already reached 0. 2 class
以iec660044 - 8標準為依據,以通過了國家權威檢測部門鑒定的標準檢測系統華北電力大學博士學位論文摘要為測試平臺,全面地對所研製的自適應光學電流互感器的測量性能進行了檢測,檢測結果證明了自適應光學電流互感器已經達到了0 . 2級的測量水平。It can automatically match rotational speed generator, electromagnetic rotational speed sensor and electromagnetic turbine flowmeter. moreover it can adapted measured signal that is 1v ~ 300v voltage and 1hz ~ 2500hz frequency
能自動匹配測速發電機、電磁式測速傳感器和電磁渦輪流量計,適應電壓峰峰值從1伏以下至300多伏、頻率從1hz以下至2500hz以上的被測信號。As well - known, there is an induced current on the surface when metal material is in the high frequency electromagnetic field, since tending to skin heating effect to make the temperature of metal material surface go up promptly, surface beginning melt when temperature reaches the melting point of metal, metal material is heated up continuously by surface to core till the metal droplet of melting
自懸浮定向流技術制備金屬納米微粒與一般的蒸發冷凝法有所不同,其原理是:金屬材料在高頻電磁場中產生表面感生電流,由於趨膚加熱效應使得金屬材料表面的溫度迅速升高,當溫度達到金屬的熔點時表面開始熔化,通過熱傳導作用金屬材料由表面到芯部不斷加熱直至熔化成金屬液滴。The theory basic of this paper is the induction of extracting exciting current and the induction of self - adaptive gain module
本文的理論基礎是:相似電感提取勵磁電流的推導,及變增益自適應模型的推導。The adaptive optical transducing principle on independent variables is presented in this paper, and a new adaptive optical current transducer ( aoct ) has been developed with the new independent variables introduced to oct, in which the precise power frequency current offered by a reference model of steady state is benchmark, and the measured harmonious and transient currents from optical transducer might be adjusted adaptively applying the adaptive arithmetic, so that both the steady state and transient precision of the aoct has been improved
論文提出了獨立量自適應光學傳感原理,並應用這種原理的一種形式? ?光電獨立量自適應光學電流傳感原理,研製了一種新型的自適應光學電流互感器( adaptiveopticalcurrenttransducer ,簡稱aoct ) ,以穩態參考模型所提供的高精度基波電流測量值為基準,應用自適應演算法對aoct中光學傳感頭輸出的穩態電流中的基波、諧波和暫態電流測量值進行自適應校正,從而能夠綜合提高oct對電力系統穩態和暫態電流的測量精度。The intelligent measuring meter configured by scm ( single chip microprocessor ) system is to sample and process the voltage signal output by the sensor, calculate and display the value of instant flow and total flow. furthermore, it can show the chargement according to the price of water set through the keyboard
以單片機應用系統為核心的智能測量儀表負責對傳感器的電壓輸出信號進行採集和處理,計算和顯示出被測水流的瞬時流量和累積流量,並可根據所設定的單價實現水費的自動計價。With the development of power system, on one hand, the capacity of the power system is increasing very rapidly and the system current becomes larger and larger, so it becomes very difficult for a traditional current transformer ( ct ) to undertake the measurement task. on the other hand, with the optimization of the administration and allocation of the power energy, it is very urgent to develop a new type of ct to meet such requirement
隨著我國電力系統的不斷發展,一方面,電力系統的容量在不斷加大,系統電流值不斷增加,一次側電流值的測量對傳統的電流互感器越來越困難;另一方面,隨著運行管理和調度向著快速,可靠,自動化方向發展,要求對電力系統的運行進行在線監測和實時控制,對作為一二次側聯絡設備的電流互感器提出了更高的要求,要求設計出一種新型的適應電力系統發展需要的電流互感器。Mef are non - indluctively wound with metallized polyester film as the dielectric / electrode with copper - clad steel leads and epoxy resin coating they are suitable for blocking, copling decoupling filtering, by - pass and timing circuits, they find application in telecommunication, date processing, industrial instruments. and automatic control system epuipments
Mef為非感應式,用鍍金屬聚酯薄膜作為電介質/電極,導線採用鍍錫銅包線和環氧樹脂包封.本品適合於耦合、濾波、整流和計時電路中,在遠程通訊、數據處理、工業儀表和自動控制系統的設備中得到了運用。This paper discusses and analyses several principal points affecting the performance of regular distance protection, such as the fault resistance, the branch current, the zero sequence mutual coupling and so on. then some concrete application of adaptive concept to distance protection will be analyzed and studied
本文對于影響常規距離保護性能的一些主要因素如過渡電阻、分支電流和零序互感等進行了分析和討論,在此基礎上對于自適應思想在距離保護上的一些具體應用進行了分析和研究。In this paper, for the first time, it is proved that oct is an open loop system, so that the adaptive optical transducing principle on independent variables and the solenoid collecting magnetic field optical transducing principle are presented. based on the above two principles, the methods are gained to improve the precision and stability of oct, and the new adaptive optical current transducer ( aoct ) had been developed
本論文在深入研究oct的原理、結構和運行特性的基礎上,首次在理論上證明了oct是開環系統,並首次提出了獨立量自適應光學傳感原理和螺線管聚磁光學傳感原理,進而得到了提高oct測量精度和長期運行穩定性的有效方法…光電獨立量自適應光學傳感原理和螺線管聚磁光路結構,並以此研製成功了新型的自適應光學電流互感器( aoct ) 。分享友人