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.
从物理和数学的角度，对单相电路、三相电路瞬时有功功率和瞬时无功功率的概念进行了剖析。
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.
本文在分析抑制谐波常用方法的基础上，利用瞬时无功功率理论进行有源滤波器的仿真设计。
The hysteresis wide is widened for decreasing switching frequency and energy losses, which causes the pulsation of instantaneous active power and direct current voltage.
为降低开关频率和减少开关损失，需增加功率滞环比较器环宽，否则引起瞬时有功功率和直流电压波动，影响系统的性能；