protection relay 中文意思是什麼

protection relay 解釋
保護繼電器
  • protection : n 1 保護,保衛,防禦,掩護,包庇,照顧 (from; against)。2 保護者,防護物 (against); 〈美俚〉...
  • relay : n 1 接替的馬;驛馬;接替的狗;(備有接替馬匹的)旅館。2 接替;接替人員;補給供應。3 分程遞送;傳...
  1. Breaker, refrigerator over - load protection relay, refrigerant high pressure switch, air circulator thermal switch, fuse, overheat protector, alarm

    無熔絲開關,壓縮機超載保護開關,冷媒高壓保護開關,超溫保護開關,水盤缺水保護開關,電磁開關,故障警告系統,警報器
  2. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。
  3. Guide for design of relay protection in hydraulic power plants

    水力發電廠繼電保護.設計導則
  4. Both of the protection use high frequency distance or directional protection as main protection, and use distance protection adding current protection as reserving protection. this dispositon assured relay protection ' s four features : election, sensitivity, instancy and reliability

    每套保護大多以高頻距離、高頻方向保護作為快速切除區內故障的主保護,而以距離保護和零序保護作為后備保護,保證了繼電保護的選擇性、靈敏性、快速性、可靠性。
  5. Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical

    文摘:保護相間短路的模擬式功率方向繼電器內角的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;分析並提出了保護相間短路的微機型功率方向繼電器內角的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電器的動作靈敏度及可靠性,具有新見解及應用價值。
  6. From the last century ninetieth, microprocessor relay protection technology has been rapidly developed and widely used in our country. it has become an inevitably flow and trend in the development of relay protection technology. but there are scarce experimental devices of microprocessor relay protection at present in our country and the devices which are being used have the defect of function single, inconvenient, and high cost etc. based on this condition, an experimental and training system for the multifunctional microprocessor relay protection and substation integrated automation is explored and developed in this paper

    從上個世紀九十年代起微機繼電保護技術在我國得到了快速的發展和廣泛的應用並已成為繼電保護技術發展不可逆轉的潮流和趨勢,但是微機保護實驗設備的開發在我國幾乎是一片空白,僅有的微機保護實驗設備也存在著功能單一、體積大、成本高等諸多缺點,基於這一現狀,本文著力研究和開發一種多功能微機保護與變電站綜合自動化實驗培訓系統。
  7. These character based on sichuan power network ' s practice operation experience, in allusion to the config of the carrier wave protection in bypass breaker operating, through the study of protection ' s typical config : one side lfp - 902a, one side csl - 101a, proceeded comprehensive act module test, noted plenty of first hand test data and wave picture, proceeded detailed theory analyses, plenitude demonstration atresic type carrier wave distance protection when twain side atresic type logic is not completely same, basically can fill power network ' s requirement to relay of reliability selectivity speedly and sensitively

    本文結合四川電網的實際運行經驗,針對旁路開關代路運行時的保護配置情況,通過對旁路代路時保護典型配對組合:一側lfp - 902a ,一側csl - 101a的保護配置情況的深入研究,做了全面的動模試驗,記錄了大量的第一手試驗數據和波形,進行了詳細的原理分析,充分驗證了高頻閉鎖式距離零序保護在兩側閉鎖式邏輯不盡一致的情況下,基本能夠滿足電網對繼電保護的可靠性、選擇性、快速性以及靈敏性的要求。
  8. Electromagnetic environment protection requirements for microwave relay stations

    微波接力站電磁環境保護要求
  9. 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

    但是在母線區外發生短路故障(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飽和時差動保護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二次電流過零時的線性傳變區投入差動保護,避開ct飽和區,能對母線故障做出正確判斷。
  10. In verifying of relay protection sensitivities, a network portioning method combining with graphic interface is proposed. it can online track the varieties of network, accordingly it can satisfy real - time and emulation analysis of topological configuration. with the real - time network configuration and nodal admittance matrix analyzed, the short - circuit calculation is carried out ; by means of an expert system, the verification of protection sensitivities has been achieved

    在網路拓撲在線快速跟蹤基礎上,進行實時結線分析並形成導納矩陣,同時將短路計算的理論運用於在線,將獲得的在線短路計算的結果同專家系統相結合進行保護靈敏度的在線校驗,最後通過友好的人機交互界面提供整個城市電網全部投運保護裝置的保護靈敏度狀況。
  11. Stator earth - fault protection relay

    定子接地保護繼電器
  12. Circuit protection this paper provides a functional circuit protection circuit protection, relay circuits, electric motors, heaters, transformers, semiconductors and other applications occasions electromagnet and its role mentally fuse

    電路保護器提供了電路保護功能,在繼電器電路電動機加熱器變壓器電磁鐵和半導體等應用場合中其作用遠甚於熔斷器。
  13. It supervises all the protection relay units, transmits all the messages to master stations or local scada system, receives commands from master stations or local scada, and exchange data with other intelligent electronic devices

    4dep 550管理單元dep 550管理機是一套通訊管理系統,它對保護裝置進行監視,把保護裝置送上來的信息傳給微機監控系統,並接受監控系統的命令,進行相應的數據交換。
  14. For this reason, the general algorithm on fault calculation is researched in protection relay setting, and fast calculation on branch current is put forward for the first time in this paper. so the complete and quick fault analysis is provided for protection setting

    為了滿足工程實際需求,本文作者積極探索了面向繼電保護整定計算的通用故障分析演算法,首次提出了適用於任意故障類型的支路電流的快速演算法,為保護定值的整定計算提供了完備而快速的故障分析方法。
  15. This article discusses the problems of the digital motor protection relay that is used in sites at present. then, it develops a new kind of digital motor protection, which is based on 32 - bit microcontroller and has the capability of changing the settings in operation in some extent

    本文通過對目前運行的微機電動機保護裝置在現場實際應用中存在的問題的分析研究,提出研究一種基於32位微控制器的具有一定自適應功能的新型微機電動機保護裝置。
  16. With the development of power network and computer technology, the software on fault calculation and protection relay setting is required to have better calculation speed, higher calculation efficiency and better - visualized character

    隨著電力系統規模的不斷擴大及計算機應用技術的不斷發展,對電力系統故障分析及繼電保護整定軟體在計算速度、計算效率、可視化等方面都提出了新的要求。
  17. A dep - 531 differential protection relay for transformers

    1dep 531變壓器主保護
  18. Analysis on operative action of the ground protection relay in 6. 3kv electric system

    礦井低壓供電系統快速漏電保護技術的研究
  19. Current transformer ( ct ) saturation is a important problem in all protection relay

    電流互感器( ct )飽和一直是困擾變壓器保護以及其他所有保護的一個重要問題。
  20. Be familiar with electric engineering design, detail design, psb requirement, lv / mv switchgear, and protection relay

    熟悉電力設計、二次圖設計、開關櫃設計、繼電器保護設計。
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