... instantaneous speech power 瞬时语言功率 instantaneous active power 瞬时有功功率 instantaneous real power 瞬时実电力 ...
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measurement of instantaneous active power 瞬时有功功率的测量
single-phase instantaneous active power 单相瞬时有功功率
phase instantaneous active power 单相瞬时有功功率
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；
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
以通用瞬时无功功率理论为基础，阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
Based on the instantaneous reactive power theory the method correctly detects the active positive-ord current from unsymmetrical currents and applies calculated command current to compensate system.
论述了利用瞬时无功功率理论从三相不对称电流中正确检测出三相正序有功电流，并用计算出的指令电流对系统进行补偿的原理。
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