瞬間失壓 的英文怎麼說
中文拼音 [shùnjiānshīyā]
瞬間失壓
英文
momentary loss of voltage-
The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation
本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。Instant shake - off by jetting, meaning constant pressure loss and marginal air fluctuation for high efficiency
（ 2 ）瞬間噴洗震落，所以壓力損失固定，風量變動少，The voltage sag, one of the most important dynamic power quality disturbances, may cause the misoperation of an electric power system ' s sensitive loads and cost a lot of money
作為現代電能質量的重要部分，電壓瞬間跌落產生的危害日益嚴重。巨大經濟損失，使得電壓瞬間跌落問題在全球尤其是發達國家受到廣泛的關注。
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