power feeder 中文意思是什麼
power feeder
解釋
電力饋線-
After analyzing several kinds of protection for feeder line in subway dc traction power supply system, it is pointed out in the paper that the phenomena of refusing action and error action can not be avoided with existing protection which can not protect the whole feeder line
摘要分析了地鐵直流牽引供電系統中幾種常用的饋線保護類型，發現現有的保護方法很難避免跳閘保護拒動或誤動現象的發生，並且不能保護饋線的全長。 -
Model ngf powder feeder with internal gate and leakproofness is a major pulverized coal feeding equipment in combustion system of power plant to feed coal into boiler continuously and evenly
Ngf型內啟閉無泄漏給粉機是火力發電廠鍋爐燃燒系統主要的給粉設備，能把煤粉連續、均勻地供給鍋爐燃燒系統。 -
Application of power line carrier communication to blade coal feeder monitoring system
電力載波通信在葉輪給煤機監控系統中的應用 -
Substation location influence network configuration, power supply quality and running cost of future electric power system. good feeder configuration can improve on power supply quality and decrease running cost of electric power system. so it ' s significant for electric enterprise to make a good fist at substation location and feeder planning
變電所選址及饋線優化是電力系統規劃工作中的重要環節，變電所的位置直接影響著未來電力系統的網路結構、供電質量和運行經濟性；好的饋線網路結構也可提高供電質量、運行經濟性；因此，做好變電所選址及饋線優化工作對電力企業有重要的意義。 -
The hardware of the system comprises the five sub - systems, i. e. welding power source, arc length controller, welding wire feeder, welding head traveller and detector. the software is composed of the off - line serving program and the on - line executing program
此系統的硬體主要包括五個子系統，即：焊接電源、弧長控制器、送絲機構、焊矩行走機構和檢測機構；軟體包括在線執行程序和離線服務程序。 -
A simplified analysis method of distribution networks is presented. the voltages and the power on / through both end of the feeder are used to describe the load and its distribution within the feeder line. only field test datas from feeder circuit breakers in substations, switches along the feeder lines and on the loop points are needed to obtain a sactisified analysis result
提出一種通過饋線兩端的電壓和流過饋線兩端的開關的功率反映饋線上的負荷及其分佈情況的配電網的簡化分析方法，這種方法只需對變電站的出線開關、饋線的分段開關和聯絡開關進行量測，而不必量測饋線上的配電變壓器，就能得到滿意的分析結果。 -
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。 -
Development of switch power for wire feeder with digital display
數顯開關型送絲電源的研製 -
By analyzing an accident during operating the low - voltage drawer - type switch and resulting in the trip of the incoming power feeder of the bus, the correspondent retrofit for the low - voltage drawer - type switch was made, to proride reference for how to select it
摘要通過一起在操作低壓抽出式開關過程中導致母線進線電源開關跳閘的事故原因分析，對低壓抽出式開關實施了相應的改造，為低壓抽出式開關選型提供參考。 -
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。 -
We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer
將gis的空間信息分析功能應用於配網空間負荷預測的研究：綜合利用灰色理論及遺傳規劃（ geneticprogramming ， gp ）的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷耦合回歸法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用gp來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。 -
Direct to the phenomena that the stove chamber protective device acting, the powder - feeder and draught - engine power cutting off, the fuel - oil electromagnetic breaking, the continuous signals are desingned. when the fire - extinguishing protective device of the stove chamber work, the signal of cutting of the powder - feeder and draught engine power and fuel - oil electromagetic valve will be send out
針對爐膛滅火保護裝置動作，並伴有給粉機、排粉機電源跑閘，燃油電磁閥門關閉現象，設計了爐膛滅火保護裝置動作后，發出切除給粉機電源、排粉機電源和關閉燃油總電磁閥的連鎖信號。 -
Abstract : direct to the phenomena that the stove chamber protective device acting, the powder - feeder and draught - engine power cutting off, the fuel - oil electromagnetic breaking, the continuous signals are desingned. when the fire - extinguishing protective device of the stove chamber work, the signal of cutting of the powder - feeder and draught engine power and fuel - oil electromagetic valve will be send out
文摘:針對爐膛滅火保護裝置動作，並伴有給粉機、排粉機電源跑閘，燃油電磁閥門關閉現象，設計了爐膛滅火保護裝置動作后，發出切除給粉機電源、排粉機電源和關閉燃油總電磁閥的連鎖信號。 -
Using distributed architecture, this controller integrates functions of protection, metering, signaling, communication and new kind of distribution automation. it combines the function for integrated automation and feeder automation. so this product can be used not only in the reforming of substation, realizing the protection of equipments and power lines, but also in ring power network, through repetitious reclose, eliminating instantaneous faults and isolating permanent faults
本文所研究的智能重合控制器採取戶外分散式結構，將保護和測量、控制、信號、通訊以及新型配電自動化等功能集成一體；與斷路器配合，將綜合自動化系統中的測量、保護功能與饋線自動化系統中的重合功能相結合，不僅可以運用於變電站的改造，實現站內設備、線路的保護；還可以運用於城鄉環網中，通過多次重合，消除暫時性故障，隔離永久性故障。 -
Paddle feeder is used in bottom - gapped coalbunker in coal - fired power plant to feed coal onto the belt conveyor in fixed quantity continuously and evenly with the rotation of the paddle and traveling of the machine
葉輪給煤機用於火力電站縫式煤溝，通過葉輪的旋轉和車體的縱向移動，把原煤定量、均勻、連續地撥到輸煤帶上。 -
The feeder automation technology which based on the feeder terminal unit ( ftu ) is a key technology and the core content of distribution network automatization, and it realizes all the distribution network real - time monitoring by ftu, communication network and coordinated operation of power distribution automatization master station system. when the breakdown occurs, it can rapidly carry on the breakdown localization, and realize the failure isolation and the load shift with the master station system participation, thus it completes the network reconstruction
基於饋線終端單元（ ftu ）的饋線自動化技術是配電自動化的一項關鍵技術和核心內容，通過ftu 、通信網路和配電自動化主站系統的協調運行實現對整個配電網的實時監控，當故障發生時，能夠迅速進行故障檢測、定位，並在主站系統的參與下實現故障隔離及負荷轉移，從而完成網路重構。 -
Thereinto, the coal mill equipment for power station is the dominant production of our company, including hp type middle speed coal mill, bbd type low speed tube ball mill and 9224 type gravimetric coal feeder with electronic weighing
其中電站磨煤制粉系統設備是我公司的主導產品，它包括hp系列碗式中速磨煤機、 bbd雙進雙出鋼球磨煤機和9224型電子稱重式給煤機等。 -
Detecting single - phase - to - ground faulted feeder in resonant grounded power distribution system
諧振接地電網單相接地故障選線研究 -
Protection and its application for detecting single phase earth fault feeder based on increment function principle in resonant grounded power distribution system
補償電網增量函數法接地選線原理及應用 -
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。
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