電流檢測器 的英文怎麼說
中文拼音 [diànliújiǎncèqì]
電流檢測器
英文
current probe- 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...
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 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...
- 檢測器 : detector
- 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
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At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。On the base of the theory of the adaptive noise cancellation and the adaptive line enhancement, we have made an improved adaptive noise cancellation in use of the measuring of hv insulator ' s leakage current
結合普通自適應噪聲對消和自適應譜線增強原理,提出了一種改進型自適應噪聲對消器,用於高壓絕緣子泄漏電流檢測。The reactive power compensation is an important engineering in the power system. the active reactive power compensator designed in this text takes the instantaneous reactive power theory of three - phase as foundation, and is formed by the reactive current testing circuit, current tracking control circuit and the main circuit, and among them the current tracking control circuit is formed by instruction current arithmetic circuit, current polarity checkout circuit and current tracking control logic circuit three parts in the circuit form
無功功率補償是電力系統中的一項重要工程,本文所設計的有源無功功率補償器是以三相瞬時無功功率理論為基礎的,它由無功電流檢測電路、電流跟蹤控制電路和主電路三大部分組成,其中電流跟蹤控制電路由指令電流運算電路、電流極性檢測電路和電流跟蹤控制邏輯電路三部分構成。The system selects micro control unit and programmable logic device as the core of controller, gsm terminal module as communication device, gps as position equipment, a / d sampling for voltage and current checking, solar battery as power supply, switch dc - dc as power voltage conversion, and so on
以微處理單元與可編程邏輯器件為核心搭建系統控制器,選擇gsm無線通信模塊實現系統通信,全球定位系統實現水標燈定位, a d采樣與轉換實現電壓電流檢測,太陽能電池為系統供電,開關型dc - dc實現電源電壓轉換。About the transducer between rotor and power source, the paper uses a cycloconverters, comprising 36 thyristors, and analyzes the control of circumfluence, the method of cosine crossing, the producing of trigger pulse, zero current detecting, commutating logic control and its mathematical model
對雙饋電機轉子側所接變頻器類型,本文也進行了對比分析,對選用的循環變流器的原理還作了進一步的分析,包括環流控制方法、餘弦交截法原理、觸發脈沖產生、零電流檢測和換向邏輯控制等部分,並給出了其數學模型。The shunt active power filter which uses the i p ? iqmethod and the hysteresis - based current control strategy has been simulated, and analyze the inductor and the cut - off frequency which affect the performance of shunt active power filters
Iq諧波電流檢測和電流滯環跟蹤控制技術的並聯型有源電力濾波器進行了模擬研究,重點分析了影響有源電力濾波器補償效果的濾波電感和采樣電路截止頻率。Apf can achieve dynamic compensation for harmonics and reactive current, and the compensation performance is not affected by the impedance of power grid, it has advantages as follows, fast response, high controllability and adaptability, etc. brief illuminations of advantages and disadvantages are performed to various harmful current detecting methods and control techniques
它可實現對諧波和無功的動態補償,其補償特性不受系統阻抗的影響,具有響應快、可控性高、自適應性強等優點。本文對有源電力濾波器的各種諧波電流檢測法及控制方法進行了簡要的優缺點說明。Apf can achieve dynamic compensation for harmonics and reactive current, and the compensate performance is not affected by the impedance of the electric network, it has advantages as follows, fast response, high controllability and adaptability, etc. analysis is performed to existing main circuit topology, harmful current detecting method and current tracking control of apf in this paper
有源電力濾波器可實現對諧波和無功的動態補償,其補償特性不受系統阻抗的影響,具有響應快、可控性高、自適應性強等優點。本文對現有的有源電力濾波器的各種主電路拓撲、畸變電流檢測和電流跟蹤控制方法進行了分析。A modified current - sensing technique for dc - dc converters
調整器的一種改進型電流檢測技術Based on the currently laboratory investigation results and the iced insulators leakage current performance during icing process, in this paper a leakage current measurement system is designed with graphical programming language laboratory virtual instrument engineering workbench
本文在國內外現有研究成果的基礎上,根據覆冰絕緣子閃絡過程中泄漏電流特性和測量要求,應用圖形化編程語言labview設計了基於虛擬儀器的絕緣子冰閃過程泄漏電流檢測系統。With the development of electric - electronic technology, microelectronic technique and modern control theory, and with studying harmonic suppression and reactive power compensation using it, the active power filter has improved greatly. the methods and the circuit of detecting current have already improved greatly
隨著電力電子技術、微電子技術和現代控制理論的發展,及其在諧波抑制和無功功率補償研究中的應用,有源電力濾波器得到了飛速的發展,同時其電流檢測方法以及檢測電路也取得了長足的進步。After the summarization of present literatures, analyses and comparisons are made on the asvg ' s main circuit, present detection system and control methods
根據現有文獻對靜止無功發生器的主電路結構、各種有害電流檢測方式和控制方式進行了分析、比較和總結。At last a controller of a 4 - phase 8 / 6 - pole srm was developed based on tms320lf2407 dsp, which makes full use of the abundant resources of dsp, adopts ipm as the power switch and designs a new power topology for a 4 - phase srm. the current feedback circuit, position sensor and fault protection
論文最後實現了四相電機控制器的設計,採用專用的dsp電機控制晶元,充分利用此晶元的資源設計出一種基於智能功率模塊ipm的四相電機的功率驅動電路,並對位置檢測、電流檢測等外圍電路進行了設計,對系統進行了軟體的分析和編程實現。This paper introduced principle of magnetism - photo optical - fiber electric current measurement system, and designs a digital magnetism - photo optical - fiber electric current meter. with the development of optical - fiber technology and electronic components reliability, the magnetism - photo electric current detection method will be used more widely
論述了磁光式光纖電流測試系統的原理,並設計了一種數字式磁光光纖電流計,該裝置所運用的測量方法是電力系統中高壓大電流測量技術的一個新方向,隨著光纖技術和電子器件可靠性的發展,磁光式電流檢測技術可望得到推廣使用。Classic u - i model is simple. however the integrator inevitably bring up the error accumulation and dc drift. this paper present a new integrator method. it has been proved to be a successful alternative for integrator, but in simulation it is found not fit for dtc
定子磁鏈的觀測是dtc的關鍵技術,傳統的u - i模型結構簡單,實用,但是由於積分器將電流檢測中的直流偏置累加,而且對定子電阻的變化魯棒性不夠。In sensored case, the theory of hall signal checking ahd how to change phase are discussed. in sensorless design, using a single line resistance measure phase current and estimating rotor position are brought forward by analyse associate codes. at the same time, problems and solution which meet in task are mentioned in report
在有位置傳感器方案設計過程中,詳細討論了霍爾位置信號檢測原理和換相控制原理以及實現過程;在無位置傳感器方案設計中,提出了單電阻電流檢測原理和位置估算的演算法,並且對相關的軟體代碼進行了分析。Live working - voltage detectors - capacitive type to be used for voltages exceeding 1 kv a. c
帶電作業.電壓檢測器.電壓超過交流1kv用電容型Live working - voltage detectors - resistive type to be used for voltages of 1 kv to 36 kv a. c
帶電作業.電壓檢測器.交流電壓1kv - 36kv用電阻類型In this thesis, assembler language was applied to program to realize dsp algorithm controller, which can perform such main computing as data collecting, self - adaptable distortion current detecting based on linear nerve cell, capacity voltage controlling in the side of direct current based on fuzzy control, pwm pulse width computing based on unsymmetrical rule sampling, etc. quick control speed ( one work period is 50 s ) and high accurateness feature largely in the controller
本文採用匯編語言編程實現了dsp演算法控制器,它完成了數據採集、基於線性神經元的自適應畸變電流檢測、基於模糊控制的直流側電容電壓控制、基於非對稱規則采樣的pwm脈寬計算等主要演算法的運算。該控制器具有控制速度快(一個工作周期為50 ) ,精度高等特點。Conventional detectors, for example, inductive loop, detectors using ultrasonic, microwave, or infrared, have been put into use for several decades. meanwhile, a promising approach, video - based measurement system, has developed quickly. since it has many advantages, for instance, wider - area detection and superior flexibility, many researches have been done in this area
交通流檢測器有電磁感應線圈、超聲波檢測器、微波檢測器和紅外光標等多種方式,而基於圖像處理的視頻檢測方式近年發展很快,因為它具有大區域檢測、設置靈活等優越性,已成為智能交通系統的一個研究熱點。分享友人