These disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.
在三相系统中，以正序基波功率的积分作为计量标准，同样可以消除这两方面的不利影响。
How to define instantaneous reactive current and reactive power in three-phase non-sinusoidal asymmetrical systems is still a concerned problem by academia.
如何定义三相系统的瞬时无功电流、瞬时无功功率一直是学术界关心的问题。
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。
Voltage unbalance of three phase ac distribution systems adversely affects power customers.
配电系统三相电压的不对称会对用户造成一系列不利影响。
This paper introduces a novel short circuit fault current limiter applicable to the three-phase ungrounded power systems.
介绍了一种适用于三相不接地系统的短路故障限流器。
The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems.
实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于FBD法。
The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems.
实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于FBD法。
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