方向性繼電器 的英文怎麼說
中文拼音 [fāngxiàngxìngjìdiànqì]
方向性繼電器
英文
directional relay- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 繼 : Ⅰ動詞(繼續; 接續; 接著) continue; succeed; follow Ⅱ副詞(繼而) then; afterwards
- 電 : 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...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 方向 : direction; orientation
- 繼電器 : [電工] electric relay; relay
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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。This paper discusses the ability of avoiding maximal power flow of quadrilateral impedance relay and round impedance relay in detail and puts forward the setting principle and setting method of load limiting resistor of backup distance protection
本文對四邊形和方向圓特性阻抗繼電器躲線路最大潮流的能力進行了詳細分析,提出了距離保護負荷限制電阻的整定原則和整定方法。Inverse - time characteristic equations for overcurrent relays
過流繼電器反向時間特性方程式The direct torque control theory is a kind of new control method after vector control theory in ac control field. it calculates and controls the torque and the flux of ac electromotor in stator coordinate using the voltage space vector. adopting the stator magnetism field direction method, it recurs to discrete pang - pang control producing pulse width modulation signal and controls the switch state of the transductor when better quality steady - state performance is produced
直接轉矩控制技術是繼矢量控制技術之後交流調速領域中新興的控制技術,它採用空間矢量分析的方法,直接在定子坐標系下計算並控制交流電動機的轉矩和磁鏈,採用定子磁場定向,藉助于離散的兩點式控制產生脈寬信號,直接對逆變器的開關狀態進行最佳控制,以獲得轉矩的高動態性能。分享友人