instantaneous active power

基本解释

From physical and mathematical points of view, this paper analyses the nature of instantaneous active and reactive power.
從物理和數學的角度，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，需增加功率滯環比較器環寬，否則引起瞬時有功功率和直流電壓波動，影響系統的性能；