feeder current 中文意思是什麼

feeder current 解釋
補給流
  • feeder : n 1 給食者；餵食者；供應者；飼養員；煽動者，慫恿者，填鴨式教人的人。2 寄食者，使喚人；食客。3 奶...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. Electrical equipment for aircraft. feeder protection housing for direct current generator

    飛機電氣設備.直流發電機饋線保護箱
  2. Directed against the distributing fault disposing mode and centralizing fault disposing mode of distribution distribution feeder automation, we use two different research methods respectively. under the distributing fault disposing mode ， combined with the technological ameliorate of the applying plc in the switch control department of the urban distribution ring feeder, we design a new voltage - current feeder automation flow executing by recloses and sectionnalizers controlled by plc to locate the distribution feeder fault section

    針對配電網饋線自動化的故障分佈處理模式和故障集中控制模式，分別採用了不同的研究方法：在配電網採用故障分佈處理的模式下，結合應用於城市手拉手配電環網的環網開關櫃的技術改造，設計了一種新的電壓-電流型饋線自動化模式，利用可編程序控制器（ plc ）來控制饋線上的重合器和分段開關來實現配電網饋線的故障區域定位。
  3. It combines feeder automation, and develops the fault identifying principle from one direction to two direction. so it enhances the redundancy of fault information, and improves the reliability of the fault location. we choose the transient zero current prior to others, for it is bigger than others mostly

    本文敘述了饋線系統保護原理，提出了基於饋線自動化系統的幾種單相接地故障處理方案，討論了這幾種方案下故障特徵量的比較方式，分析了故障特徵量選用的出發點以及配電終端地址命名規則等問題。
  4. The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential

    Dms網路分析的基本軟體有：網路結線分析、潮流計算、狀態估計、負荷預報、短路電流計算、電壓無功優化等。派生軟體有：負荷控制、電容器優化配置、變壓器與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具，通過它可以了解和掌握當前的運行狀態，從而挖掘安全和經濟方面的巨大潛力。
  5. This unit is particularly designed for monitoring 400v feeder with backup automatic switch. it could accurately measure and calculate : voltage, current, frequency, active power, reactive power, power factor and energy. when bus gets into trouble, it can perform the function of automatic switching to backup power supply

    該單元是特別針對400v饋線備自投而設計的，它具有測量母線的電壓、電流、頻率、有功功率、無功功率、功率因數以及有功電度、無功電度等電參數的功能；當母線出現故障（過壓或欠壓）時，能夠完成兩組母線的自動投切，即備自投的功能。
  6. Single phase earthed fault is the common fault in this system. to detect the faulty feeder is difficult for the fault current is very small

    單相接地短路是最常見的故障，由於它的接地短路電流較小，使故障檢測較困難。
  7. The effect of dg on the relay protection and automation of the distribution network is discussed in the aspects of 3 - sectional current protection based on circuit breakers, feeder protection based on reclosures, and distribution network automation protection based on ftu

    針對基於斷路器的三段式電流保護、基於重合器等自動化電器的饋線保護以及基於ftu的配網自動化保護方案，探討了分散式發電對配電網繼電保護以及自動化的影響。
  8. Being the core unit of the distribution automation system, the feeder terminal unit, namely ftu. samples ac input ( such as voltage, current and so on ) and state ( for example : switch state ) and executes remote control command ( break or close ). this paper is mainly based on the study of feeder terminal unit based on dsp

    饋線自動化終端裝置（ feederterminalunit ）是饋線自動化系統中的核心部分，在系統中完成採集模擬量（電壓、電流等）和狀態量（如開關狀態） ，以及執行遙控（開、合操作）操作等功能。
  9. The behavior principle of ddl protection for dc feeder in dc traction current supply system and the setting principle of protection parameters are introduced and illustrative examples are given

    摘要介紹直流牽引供電系統中直流饋線ddl保護的動作原理，以及保護參數的設定原則，並舉例說明。
  10. Because the feeder short circuit current of subway is very great, the plug - in boards of input and output are different from the ac feeder protection. after analyzing and comparing the two popular input components, the thesis choices the shunt. in addition, the thesis gives the original design of output plug - in board

    由於地鐵饋線短路電流較大，保護的輸入元件及出口插件與交流保護不同，本文對目前常用的兩種輸入元件進行了分析比較后，選擇了分流器，在分析了直流快速開關動作情況的基礎上，對出口插件進行了初步設計。
  11. Fristly, according to the non - linear characteristics of twelve - phase rectifier, the thesis gives the calculation model for a short circuit in the subway traction power supply networks which provides the academic foundation for the design of the setting values and the simulation of protection. secondly, the thesis designs the dc feeder protection and control of subway, and gives the principle of setting accordingly, after it analysizes the characteristics of electric current under tow load and short circuit and considers severel factors. to validate the rationality of the design, the thesis simulates the transient electric current under two work conditions ( starting and passing the insulation ) ahd short circuit

    其次，本文在詳細分析地鐵牽引負荷電流和饋線短路故障電流特點的基礎上，考慮了直流保護系統設計應注意的幾個因素，對地鐵饋線保護與控制進行配置，給出了相應的保護整定原則，並針對某一地鐵供電系統在詳細分析了兩種工況（機車起動與過分段絕緣）的電流暫態過程，得到了電流計算的數字模型，結合前面提出的短路模型，進行了地鐵饋線保護的模擬，經模擬表明本文的保護設計是合理的。
  12. Electrical equipment for aircraft. differential reverse current relays with feeder protection

    飛機電氣設備.帶饋線保護的差動反向電流繼電器
  13. A design of the feeder terminal unit based on dsp is presented. an integrated prototype is composed of a 6 - channel voltage collector, a 6 - channnel current collector, a 16 - channel state collection a 2 - channel impulse collector, a data processing unit whose core is dsp, a general controller in which cpld is used

    系統通過6路電流採集、 6路電壓採集、 16路的狀態採集以及2路的脈沖採集獲取相應的數據信息；以高性能數字信號處理器tms320vc5402為核心構成數據處理單元；以高性價比的可編程邏輯器件epm7128為全局控制器；同時數據可以通過鍵盤和數碼管進行現場控制。
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