電壓線 的英文怎麼說
中文拼音 [diànyāxiàn]
電壓線
英文
pressure-wire-
Self supporting telecommunication aerial cables on overhead power lines above 1 kv vde - specification
電壓大於1kv的電力架空線的載波通信高空電纜vde -規In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis
論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量，導出了超高壓長線的波阻抗和傳播常數的數學解析式，在此基礎上進行了500kv輸電線路實時參數計算；提出以三繞組自耦變壓器的電流、電壓、功率為輸入量，導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算；在此基礎上編制了相應的軟體。12vdc car plug input and usb plug output. cable length : 22 in extendable to 4 ft
12vdc汽車電壓輸入， usb輸出插口，接線長度22寸，可伸至4尺。The factor which is most detrimental to the formation of the null voltage is the capacitive coupling between the primary and secondary coils.
對形成零電壓最有害的因素是初線圈和次級線圈之間的電容耦合。Single range voltmeters are normally calibrated at cardinal points ( maximum 10 test points ). for multi - range voltmeters, the basic calibration will include measurements at full ranges and linearity check at 5 voltage levels for one range. linearity check for other ranges can be offered at extra cost
單量程電壓表一般以基點（最多十個測試點）進行校正；多量程電壓表的基本校正則會包括全量程測量及按五個電壓量位為一個量程進行線性檢查。Application study on low - voltage power line carrier wave spread spectrum communication system
低壓電力線載波擴頻通信系統的應用研究This instrument can meter the electric level, frequency spectrum, carry to noise ratio, a / v, cobbly ratio, voltages of the ac trunk line and the battery. furthermore it can display the above information on the lcd and store them in the eprom
該場強儀可以對有線電視系統的電平、頻譜、載噪比、 a v比、系統不平度、交流干線和電池電壓等進行測量，並通過液晶顯示，結果保存於eprom中。Technique of transmitting data via power line （ pl ） ， a new technique developed in recent years ， is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage ， disadvantage and the current state of the power line carrier communication 。 the advantage ， method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper ， after introducing the principle of ssc ， design of hardware and software of the system are been discussed 。 this system has been put into use ， the result has proved its high stability and reliability
本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀，擴頻技術在電力線載波通信應用的優點、方式和現狀，並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上，本文詳細地介紹了電力載波遠程抄表系統的具體實現，包括硬體模塊和管理軟體本系統已投入運行，具有較高的穩定性和可靠性。Al self - oxide powder, al2o3 - al blending powder and sic - al blending powder extrusion wires obtained by experiments had high tensile strength as well as high conductibility
實驗所得的鋁粉末自氧化擠壓線材及用al _ 2o _ 3和sic顆粒強化所得的線材具有高的抗拉強度和良好的導電性能。Effect of svc on restricting the temporary overvoltage of ehv transmission system
良導體地線限制超高壓輸電系統工頻過電壓的作用Keep away from those high tension wires, or you will be electrocuted
不要接近高壓線，否則會觸電的。Lines within the field along which the voltage is constant are called equipotential.
在電場中電壓根等的那些曲線稱為等位線。Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced
但是，由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在，供電網中的電流（電壓）發生畸變，產生大量諧波。A new design and simulation for analogue forepart filter in low voltage power line communication
低壓電力線通信模擬前端濾波器的設計與模擬The voltage ir on core adopts semienclosed insert model. the current element adopts two - stage compensation to have wide load property. the whole plasticenclosed voltage coil. can withstand instantaneous large voltage impulse. the double jewels bearing or the magnetic - propelled bearing can ensure long lifetime. the bipolar aluminium nickel cobalt damping magnet steels have high coercivity, stable magmetic property. the electric function is in accordance with iec521 international standard
：電壓鐵芯採用半封閉插入式，電流元件採用二級補償使表計具有寬的負載特性。全塑封的電壓線圈能稱說瞬時大電壓沖擊。雙寶石軸承或磁推動軸承確保表計長壽命。Line - to - line voltage line - to - line voltage is the voltage between any two phases of an ac generator
線電壓線電壓是指交流發電機任何兩相間的電壓。Abstract : the paper proposes a mathematical model of a / d converter with quantizing error, nonlinearity and differential nonlinearity errors for computer simulation, and based on the model, the errors caused by voltage change, current change and phase change in the power measurement are analyzed by computer simulation for both the asynchronous and quasi - synchronous sampling algorithms
文摘:本文提出了具有量化誤差、非線性誤差和微分非線性誤差的a / d轉換器的數學模型，在該數學模型的基礎上，模擬分析了非同步采樣法、準同步采樣遞推演算法各種情況下的誤差，包括功率測量中電壓線性、電流線性、相位變化誤差及電壓測量的誤差。But often what is not obvious when reading a manufacturer ' s data sheet is how the initial accuracy of the device is affected by other key device parameters such as line regulation, load regulation, initial voltage error, output voltage temperature coefficient ( tc ), output voltage noise, turn - on settling time, thermal hyste - resis, quiescent supply current, and long - term stability
但，人們閱讀廠家的數據手冊時，因受諸如（電源電壓）線性調整率、負載調整率、初始電壓誤差、輸出電壓溫度系數tc 、熱遲滯（系數） 、靜態電流和長期穩定度等參數的影響而使初始精度往往不明顯。Optical fibre cables - part 4 - 1 : aerial optical cables for high - voltage power lines
光纖電纜.第4 - 1部分:高電壓線用空中光纖電纜Supply voltage linear power ac190240 v
供電電壓線性電源ac190v240v分享友人