電流變送器 的英文怎麼說
中文拼音 [diànliúbiànsòngqì]
電流變送器
英文
current transducer- 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...
- 送 : 動詞1 (運送; 傳送) deliver; carry 2 (贈送) give as a present; give 3 (伴送; 送別) see sb of...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac
在控制器的電路結構設計的基礎上,考慮到通訊、控制的及時、穩定、轉換的精度和速度等幾方面,主要完成對微處理器的選擇、時鐘頻率和a d轉換器的選用,閥位變送功能的實現,固態交流開關和顯示器的選擇等。Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs
萬能輸入,可與各類傳感器、變送器配合使用,實現溫度、濕度、壓力、液位、流量等物理量的測量、顯示、報警控制和變送輸出;通過串列通信口,可在上位計算機中實現全部儀表參數的讀寫;還可為兩線制變送器提供24vdc電源; 4位高亮度led數字顯示;對輸入信號有多段折線修正功能可選;一臺儀表最多可配4個報警繼電器輸出、一路變送(或通信)輸出和一路配電輸出。Some of the important problems, such as low - power detecting and watch - dog circuit, daul - wire converter, communication between microcontroller and pc are described in detail
針對其中幾個重要部分,如系統低電位檢測及看門狗電路、雙線制電流變送器的設計、單片機與上位pc機的通信等進行了較為詳細的論述。The reactive power optimization compensation is to find the suitable compensation place and the best compensation capacitance by adjusting the generator bus voltages, transform taps and reactive compensation capacities in the condition of satisfying power load requirement, which can guarantee the secure and high quality power for consumers. the improved genetic algorithm is applied in this thesis according to the features of reactive power optimization of high voltage transmission bus, which are the non - linear problems with multi - variables and multi - restrictions
電網無功優化補償是在有功潮流調度給定的情況下,以負荷節點電壓和線路輸送無功功率作為狀態變量,運用優化演算法,調節發電機節點電壓、變壓器可調分接頭和無功補償裝置,在滿足電力負荷的要求下,尋求合理的無功補償點和最佳補償容量,保證電網能夠安全、優質地向用戶供電。Electrical measuring transducers for converting a. c. electrical quantities to analogue or digital singals
交流電量轉換為模擬量或數字信號的電測量變送器Electrical measuring transducers for converting a. c electrical quantities to analogue or digital singals
交流電量轉換為模擬量或數字信號的電測量變送器Verification regulation of measuring transducers for converting a. c. electrical quantities into d. c. electrical quantities
交流電量變換為直流電量電工測量變送器檢定規程The secondary turns reduces form thousands of ordinary current transformer to 100 through my work.
研究了電流傳感器的變送方法,設計了適合遠距離傳輸的變送電路。Intelligent tri - phase ac active reactive power instrument adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc
智能三相交流有功無功功率儀表採用先進的微處理器進行智能控制,對輸入的三相交流電壓與電流信號進行精確的測量,經過cpu自動計算出三相交流有功無功功率值總功率,由高亮度led數碼管進行清晰直觀的顯示,同時可轉換成標準電壓電流信號變送輸出,並具有超限控制報警標準串列通訊等功能。Adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc
採用先進的微處理器進行智能控制,對輸入的三相交流電壓與電流信號進行精確的測量,經過cpu自動計算出三相交流有功無功功率值總功率,由高亮度led數碼管進行清晰直觀的顯示,同時可轉換成標準電壓電流信號變送輸出,並具有超限控制報警標準串列通訊等功能。Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。Meanwhile, we have gained some achievement. 1. based on error variety of nonlinear control curves of ld output laser power by optoelectronic feedback measured, we take advantage of window pid control algorithm to gain high stability of laser power and reduce error amends at mostly
1 、基於光電池檢測ld光功率輸出的非線性控制曲線產生的誤差變化,將特性曲線利用軟體的窗口控制演算法實現區域控制,進而有效的對ld工作電流進行pid穩態控制和光功率參數顯示,且激光器的光功率輸出和激光通過分光鏡後送入光電池放大電壓量和單片機通過計算使到誤差修正量達到最小,從而使光功率控制達到最佳效果的變化關系。This company have been engaging manily in saling some n & h technology facilities which was provided by foreign corporation to the plant in some sector such as sinopec, petrochina, cnooc and power generation etc., and was a unique representative in china of some famous trademark including steam turbine, compressor, valve, pressure transmitor, flow - meter, level - meter and control system etc
我公司主要從事國外進口機械、電氣、儀表等高新技術設備在國內石化、石油、海油、電力等行業的銷售推廣等業務,並且是一些知名品牌的汽輪機、壓縮機、閥門、壓力變送器、流量計、液位計、控制系統在中國的唯一指定代理。This paper designs a signal converter circuit for flow, and narrates its work principle, the parameters are calculated to importance devices. this circuit is designed for high precision, easy operating and simple struction
設計了一種與流量控制系統配套的流量信號變送器電路,給出了電路的工作原理,計算了關鍵元件的參數.該電路具有性能好、簡單、調整容易等特點At present the main product includes : the resistance should the variant, the proliferation silicon, the ceramics and so on three big kind of high temperatures, center warm, the normal temperature table press, certainly press, sensor and so on negative pressure, fluid position, difference pressure, current capacity, name is heavy, measures strength, torque, displacement, temperature / changes delivering and the necessary control measuring appliance
目前主要產品有:電阻應變式、擴散硅、陶瓷等三大類的高溫、中溫、常溫的表壓、絕壓、負壓、液位、差壓、流量、稱重、測力、扭矩、位移、溫度等傳感器/變送器和配套控制儀表。Stcc and sstcc series capacitance transmitters have so many advantages such as new design, all specifications, easy installation, essence safety explosion - proof etc. they are famous for high accuracy, small, light, firm, convenient, good overload protection. stcc and sstcc series capacitance transmitters include pressure, difference of pressure, absolute pressure, flux, level and so on. the product whose options, signal, installation are according to the worldwide companies and price is very low observes domestic iec, so it is the best choice for the customer
Stcc及sstcc系列電容式變送器包括壓力差壓絕對壓力流量液位等品種,其選件信號制式安裝方式完全與世界其它公司產品一致,也與我國推行的「 iec 」標準要求相符,並且價格優勢明顯,是你理想的最佳選擇。And a novel systematically method, using linear combination approach to design high order filter, has been proposed. the designed filters can be adapted by adjusting the bias currents, without changing the physical structure. the results of the examples and pspice simulator show the advantages and availabilities of this method
並且提出了多項式線性組合法,採用該方法不但能設計出所要求的高階電流濾波器,而且能在不改變物理結構的情況下,利用電流控制傳送器的特性,調整其偏置電流,實現濾波器輸出特性的改變。The author introduces the hardware configuration such as the signal detection and modulation circuit, signal transmitter interface circuit and software flow like signal sampling, scales transformation conversion, signal compensation and so on
介紹了信號檢測與調理電路、信號變送器介面電路等主要硬體結構,以及信號采樣、標度轉換和信號補償等軟體流程。Capacitance type pressure differential pressure transmitter has many forms that can used to measurement field for differential pressure, flow, gauge pressure, absolute pressure, degree of vacuum, liquid level and specific gravity
電容式壓力差壓變送器有多種型式,可用於差壓流量表壓絕壓真空度液位和比重的測量場合。A new kind of dc voltage isolation transducerc
一種新型的直流電壓隔離變送器分享友人