線圈常數 的英文怎麼說
中文拼音 [xiànjuānchángshǔ]
線圈常數
英文
coil constant-
Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。According to the actuality of the present research on ct, we bring forward a new design scheme based on the rogowski coil, in this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction
本文在考察了國內外電流互感器發展現狀的基礎上，提出了一種基於rogowski線圈的電流互感器，該互感器具有正常電流的測量和短路故障時的保護功能，並且預留了與上位機的通訊介面，接受上位機的指令並向上傳送電網的電流參數。An inductor constructed by layering the coil between layers of core material, the coil typica - lly consists of a bare metal material ( no insulation ), this technology is sonetimes refferred to as ” non - wirewound ”. the inductance value can be made larger by adding additional layers for a given spiral pattern
指一電感其線圈分佈在鐵芯材質的各層上，此種線圈常包含一裸露的金屬（非絕緣材料） ，這種技術有時亦叫做「非繞線式」 ，只要在既有的螺旋電路方式下，插入額外的層數，即可增加電感值。On this basis, fortran program is written to solve temperature and velocity fields in transformer. by using this program we can calculate total flow, duct flow, mean temperature rise of transformer oil, oil time constant, mean oil temperature rise in each winding - coil, temperature distribution in each winding - coil, and stable / transient state temperature field. so this program has a great use value
在此基礎上，我們編制了計算自然油導向冷卻的具有餅式線圈變壓器流場和溫度場的fortran程序，程序可以對總油流量，進入各相、各油道的油流量，各線圈內的油流分佈，變壓器的油平均溫升，油的時間常數，各線圈的平均線油溫升，各線圈內的油溫分佈以及各線圈的穩態溫度場、暫態溫度場進行定量模擬，具有較強的實用價值。By close study on the average temperature rise, temperature distribution, and tune constant of the class f resin dry type power transformer ' s high voltage and low voltage winding under self - cooling and wind - cooling mode, we find out the connection between the variation of the load and the items, mentioned above. the results of the experiments can be reference to both thermal design optimization of dry type power transformer and the revision of current standards. meanwhile, we develop the software, which can predict the overload ability of the dry type power transformer
本文對f級樹脂澆注式乾式變壓器的高、低線圈的平均溫升，內部溫度分佈和時間常數在自冷和風冷，兩種冷卻方式下隨負載變化的規律進行了研究，得出了平均溫升、熱點溫升和時間常數隨負載變化的相互關系和有關計算用參數和公式，試驗結果可作為改進乾式電力變壓器的熱設計的依據和對現行標準進行修改的參考。By adjusting the automatic tracing coil of arc extinction for switch stand and analysing technical parameters of arc extinction coil in normal operation, the paper indicates some problems should be taken care of, so as to operate properly automatic tracing coil, to remove the excess voltage of grounded arc and to ensure reliable power supply
摘要通過調試開關站自動跟蹤消弧線圈，分析自動跟蹤消弧線圈正常運行技術參數，指出設計運行中應注意的問題，保證自動跟蹤消弧線圈正常運行，消除弧光接地過電壓，保證可靠供電。( 3 ) in order to be suitable for the secrecy of control system, convenient for debugging the control system and make the control system be applied to capacitance, inductance and phase - shifting controlled ozonier, the control system of the ozonier power is based on cpld / fpga chip is presented. ( 4 ) the paper analyzes the shortage of routine inductor designing methods which are used to design intermediate frequency, high voltage resonance reactor, puts forth an iterative method to prevent the problem
（ 3 ）為解決大功率諧振電抗器的設計困難一直是大功率諧振電源的難點，本文在電抗器常用的ap設計法的基礎上，提出了一種迭代設計方法，這種方法同時考慮氣隙長度范圍和氣隙磁通邊緣效應因數，根據所需電感值來求解滿足要求的鐵芯規格和線圈匝數，不必對電感器的匝數進行修正。Using regional geochemical exploration data, the authors figured out moving window contrast values through window moving average operation, delineated single element anomalies and multi - element accumulative ( multiplicative ) anomalies according to contrast values, and drew single - element and multi - element background diagrams, accumulative ( multiplicative ) multi - element contrast anomalies and background diagrams, which make up the locating prognostic chart for the ore - prospecting target
摘要利用區域地球化學勘查數據，經過窗口滑動平均，計算出滑動窗口的襯值，通過襯值圈定單元素和多元素累加（累乘）異常；在窗口滑動平均值基礎上勾繪單元素和多元素背景曲線圖、累加（累乘）多元素襯值異常和背景曲線圖，製作找礦靶區定位預測圖。The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out
在求解過程中，假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成，首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場：以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域，由於場源放置在內邊界面上，使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程，利用分離變量法求解，根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數，從而得到各場區矢量磁位的表達式。According to the complicated electromagnetic transient state process of the passive feedback coils, a method that can be used to calculate the equivalent time constants and the electrical parameters are given in this paper. these parameters are important to the design of the device and the power system, and also provide the evidence for the experiment of controlling the plasma unstability
針對被動反饋線圈電磁暫態過程的復雜性，給出了求解線圈等效時間常數和電氣參數的方法，這些參數不僅對裝置的設計和電源系統的設計是重要的，而且為控制等離子體垂直位移不穩定性的實驗提供了依據。分享友人