By starting with the analysis of generator end structure and overheat sources, it is presented that the technical key required to expand the capacity of the unit is to solve the electromagnetic leakage shielding problem. by proceeding with the analysis of the reasons causing the aging of the stator winding bars insulation, the necessity for stator winding bars to adopt class f insulation and relative fixing technological improvement are pointed out so as to extend the service life of the winding bars insulation
從分析發電機端部結構及過熱原因入手,提出了增容的技術要點在於解決端部漏
磁屏蔽問題;從發電機線棒絕緣老化原因分析入手,指出為延長定子線棒絕緣使用壽命,線棒主絕緣採用f級的必要性以及相關工藝的改進。
In order to improve the efficiency of the permanent canned - motor pump, and decrease electromagnetics effect of the liners in designing the permanent magnet canned - motor pump. the main parameters of the permanent canned motor pump have been calculated with the finited element method, the eddy - current of the liners also have been studied deep and systematically in this dissertation
為提高永
磁屏蔽電泵的效率,減少永
磁屏蔽電泵設計中
屏蔽套電
磁影響問題,本文對永
磁電泵電
磁場進行了有限元分析,計算了主要參數,對
屏蔽套的渦流問題進行了分析研究。
Study of composit conductive coatings used to shield against electromagnetic wave
電
磁屏蔽銅系復合導電塗料實驗研究
The surface resistance and electromagnetic interference ( emi ) shielding effectiveness of the conductive fabrics were measured by four point probe method ( astmf 390 ) and the coaxial transmission line method ( astm d4935 - 99 ), respectively
分別用四探針法和雙軸傳輸線法測量了導電滌綸織物的表面電阻和電
磁屏蔽效能。
Based on the basic propagation theory, the genetic algorithm is used in the design of the multilayered composite materials by means of the existing multilayered planar composite electromagnetic shielding materials model
摘要從基本的電
磁波傳播理論出發,利用已有的多層平板復合電
磁屏蔽材料的理論模型,將遺傳演算法應用到
屏蔽材料的設計中。
General specification for military electromagnetic shielding foil
軍用電
磁屏蔽箔片通用規范
Further, the present invention provides a product plated on the polymer materials for shielding electromagnetic wave according to said novel plating method
此外,按照上述所說的上鍍方法,本發明提供了一種在聚合物材料上上鍍的產品,該產品可用於電
磁屏蔽。
Emi shielding vent panels with excellent emi rfi shielding effectiveness, low air flow resistance have been used in shielding room, computer, and comunication
-電
磁屏蔽材料- sr - 1
屏蔽室通風板sc系列通風板
Fielding is the most efficient method for restraining conduct disturbance
電
磁屏蔽是抑制輻射干擾的一種有效隔離方法。
Good magnet - sheilding quality for multi - plugs it could be easily design multi out - put transformers. acording to different ferric oxide features, ranged from audio frequency to high freqency it could be designed appropriate transformers
磁屏蔽效果特別好,線圈架備有多路插頭,能很容易地設計出多路輸出的變壓器,根據豐富的鐵氧體材料的不同性能,可以從音頻到高頻范圍內,設計出能夠匹配的各種變壓器。
General specification for military electromagnetic shielding elastomer for gaskets
軍用電
磁屏蔽橡膠襯墊材料通用規范
As the lightest constructional material, magnesium alloy has high specific strength, high specific stiffness, good magnetic - shielding ability, good damping ability, and good machinability
鎂合金是比重最輕的結構材料,具有高的比強度、比剛度和良好的
磁屏蔽性、阻尼性、切削加工性等優點。
Sb2011 precise decade inductance box adopts loop inductance coil, emc screen, special temperature compensation structure, aging technology, and whole - seal moistureproof measure therefore, it possesses many special characteristics, such as strong anti electromagnetic capability, little effect by humidity and temperature, perfect stability, reliable performance, strong adaptability, novel structure, and easy to operate
Sb2011型精密十進位電感箱採用鐲環形電感線圈及電
磁屏蔽,獨特的溫度補償結構與老化處理工藝並採取全封閉式的防潮措施,具有抗電
磁干擾能力強、受濕度與溫度影響極小、穩定性好、性能可靠、適應性強、結構新穎、操作方便等獨特優點。
Standard test method for electromagnetic shielding effectiveness of durable rigid wall relocatable structures
耐久剛性壁浮動結構電
磁屏蔽功效的標準試驗方法
Moreover, by using the idea of graph theory, this paper constructs the electronic equipment structure graph and its “ dual graph ”, and electromagnetic topological model used to analyze the interaction of the different electrical components is presented
進一步借鑒圖論的思想,構造出電子設備結構圖及其平面圖的「對偶圖」 ,並由此建立了多層電
磁屏蔽條件下分析系統電子器件之間相互耦合的電
磁拓撲模型。
Two cents two units, bass glint type design, the all - directions hold a box system
二分頻二單元低音反射式設計,全方位
磁屏音箱系統
Test method for magnetic shield efficiency in attenuating alternating magnetic fields
衰減交變
磁場中
磁屏蔽效果測試方法
Conical magnetic shield
圓錐形磁屏蔽