常見例句

雙語例句

• From physical and mathematical points of view, this paper analyses the nature of instantaneous active and reactive power.
  從物理和數(shù)學的角度，對單相電路、三相電路瞬時有功功率和瞬時無功功率的概唸進行了剖析。
• Based on analyzing the common way of harmonic restraint, this paper makes use of the theory of instantaneous reactive power to simulate and design active power filter.
  本文在分析抑制諧波常用方法的基礎上，利用瞬時無功功率理論進行有源濾波器的倣真設計。
• The hysteresis wide is widened for decreasing switching frequency and energy losses, which causes the pulsation of instantaneous active power and direct current voltage.
  爲降低開關頻率和減少開關損失，需增加功率滯環(huán)比較器環(huán)寬，否則引起瞬時有功功率和直流電壓波動，影響系統(tǒng)的性能；
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