方穎恆 的英文怎麼說

中文拼音 [fāngyǐnghéng]
方穎恆 英文
jon
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : [書面語]Ⅰ名詞1 (植物子實的帶芒的外殼) grain husk; glume2 (尖端) tip (as of a writing brush)...
  • : Ⅰ形容詞1 (永久; 持久) permanent; lasting 2 (平常; 經常) usual; common; constant Ⅱ名詞1 (恆心...
  1. A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong

    提出了一種零壓啟動的他激轉自激法;通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的值控制;設計了適用於並聯諧振型逆變器的igbt驅動與保護電路,解決了驅動信號的時間補償以及重疊角的可調問題;提出了一種新、實用的逆變器過壓保護法,有效地解決了並聯型諧振逆變器過壓保護這一難題。
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