母線保護 的英文怎麼說

中文拼音 [xiànbǎo]
母線保護 英文
busbar protection
  • : Ⅰ名詞1 (母親) mother 2 (泛指女性長輩) one s elderly female relatives 3 (配套的兩件東西里的凹...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ動詞1 (保衛; 保護) defend; protect 2 (保持) keep; preserve; maintain in good condition 3 (...
  • : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
  1. But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs

    針對國內目前中、低壓電網大都未裝設母線保護裝置,發生故障不能及時切除時造成很大損失的狀況,本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上,提出了一套適合中、低壓微機母線保護裝置的研製方案,並據此選擇、搭建了硬體平臺,設計了軟體功能程序。
  2. The mutual inductor of electric current and voltage mutual inductor play an important role in relay protection. prevent from ct differential to protect and miss movement an important subject that the generatrix is protected on the saturation, put forward two electric current pass zero hour linear to spread person who become put into differential to protect in ct in recent years, avoid ct saturation district, can judge the bus bar trouble correctly

    但是在區外發生短路故障(特別是故障電流含有大量非周期分量)時, ct會出現飽和現象, ct飽和后,不能正確地傳變一次側電流,從而使二次電流發生嚴重畸變,產生很大的差電流,這樣就容易引起誤動作。防止ct飽和時差動誤動作一直是母線保護的一個重要課題,近年來提出的在ct二次電流過零時的性傳變區投入差動,避開ct飽和區,能對故障做出正確判斷。
  3. Discussion on transformation issues of 220 kv bus protection

    母線保護改造問題探討
  4. The ann model of bus - bar protection

    母線保護的人工神經網路模型的構建與模擬
  5. This paper analyzes detailedly the principles on distributed busbar protection - current instantaneous value differential method, impedance method, and put forward the new method of current fault component phase method, then compares with these methods

    本文詳細分析了分散式母線保護中的原理?瞬時值電流差動法、阻抗法,提出了電流故障分量相位法的新方法,將這幾種方法進行比較。
  6. Firstly, the paper introduced the commonly hardware configure of microcomputer relaying and the function of every module of industry controlling computer std90386. secondly, the paper introduced several types busbarprotection which was commonly installed on electric power system and the characteristic of mv or lv system with low current grounding. based on it, the paper put forwards the theory of percentage - restraint differential relay. after that, in the discussing every problems of the relaying working the paper put the emphasis on the negative effect of the ct saturation and countermeasure

    本文首先介紹了微機裝置的一般硬體配置以及作為裝置硬體平臺的std90386工控機各組件模板的功能,然後分析了目前電網系統裝設的母線保護的各種類型以及中、低壓小電流接地電網的特點,在此基礎上分析、介紹了作為本動作原理的「比率制動式差動」原理。
  7. At present the special protective devices for busbars in middle and low voltage distribution networks are still not common. only appended to original busbar protections, so the faults occurred in middle and low voltage busbars have to be cleared by back - up relaying with long time delay. thus, some kind of faults may spread which originally could be cleared and tremendous economy loss may appear

    在電力系統中35kv及以下電壓等級的由於沒有穩定問題,一般未裝設專門母線保護故障要由較長延時的后備來切除,使不少本可以得到控制的故障被發展和擴大,造成了巨大的經濟損失。
  8. General specification for microprocessor - based busbar protection equipment

    微機母線保護裝置通用技術條件
  9. Research and simulation of bus protection with function approximation ability

    基於函數逼近能力的母線保護的研究及模擬
  10. Application of mirrored bits communication technology in busbar protection

    鏡像比特通信技術在母線保護中的應用
  11. Thus, we can make a whole new - style distributed busbar protection scheme

    為全套新型的分散式母線保護方案的提出提供了理論基礎。
  12. Finally, this paper put forward software scheme on other protections matched with distributed busbar protection

    最後提出了和分散式母線保護配套的其他的軟體方案。
  13. In this paper. firstly, the new busbar protection theory of medium voltage system have been introduced and summarize, the feasibility of theory also demonstrated

    接著在對小電流接地系統中特殊情況下的母線保護展開分析,並對其基本理論基礎和可行性進行了充分的論證。
  14. According to actuality of the busbar protection for the mostly plant and country terminal substation in our country, a new theory for busbar protection in medium transmission or distribution power system

    本文針對現有廣大的工廠以及農村終端變電所母線保護的現狀而提出了中壓綜合的原理。
  15. Aimed at the existing theory of the busbar protection, especially for busbar protection criterion in medium and low power system, this paper bring forward a new theory based on the currents of two phases

    本文就現有的母線保護原理,特別是中壓系統母線保護的判據進行了較為深入的分析,並在此基礎上提出了基於兩相電流差的綜合原理。
  16. The principle of rectifies type, medium impedance type, and microprocessor - based busbar protection was analyzed. several kinds of busbar protection features and their attention points in service were expounded

    摘要對整流型、中阻抗型、微機型等母線保護原理進行了分析,闡述了幾種母線保護的各自特點,並提出母線保護在運行和維中的注意事項。
  17. Microprocessor based high voltage busbar protection has rapidly expanded. on the basis of analysis grouping - principle based middle and low voltage protection are put forward. the special busbar protection has adopted effective measures so that large improvement such as simpleness, reliability, economy, sensitivity and some appending additional functions has been obtaimed

    高電壓等級微機已經進入到成熟發展階段,本文在對國內外現有母線保護進行研究分析的基礎上,根據中低壓的特點,提出了一種基於分組原理的母線保護,可以很好地解決中低壓母線保護的實際工程問題,使得系統簡單、可靠、經濟、靈活、易於擴展,而且容易附加其它的功能。
  18. Several approaches of bus protection

    淺析母線保護在運行中的注意事項
  19. This paper presents a new method which can reliably judges the saturation of ta and avoids this kind of misfunction

    論文提出了一種母線保護抗電流互感器飽和的新判據。
  20. The necessity of appending special protective device for middle and low voltage busbars in important consumers " substation and that in electrical auxiliary system of power plant is disserted

    因此有必要研製一種造價低、原理簡單、適用於中低壓的專用母線保護
分享友人