近區繼電器 的英文怎麼說

中文拼音 [jìndiàn]
近區繼電器 英文
range blank relay
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : 區名詞(姓氏) a surname
  • : Ⅰ動詞(繼續; 接續; 接著) continue; succeed; follow Ⅱ副詞(繼而) then; afterwards
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 繼電器 : [電工] electric relay; relay
  1. Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator

    實際的計算表明:輸線路發生故障后,用故障前後的數據同時充滿保護演算法的數據窗,對于快速切除故障具有很重要的意義;同時利用故障前後的數據,下述方法可以比較好地實現距離保護的反時限特性:直接用全周傅里葉演算法進行阻抗計算;採用工頻變化量阻抗進行工作壓的計算;採用轉矩的思想進行轉矩的計算。
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