1) reactive four-quadrant
无功四象限
2) four-quadrant reactive energy
四象限无功
3) quadrant reactive power energy
四象限无功电能
4) energy (power) in4quadrants
四象限电能(功率)
5) four-quadrant power measurement
四象限功率测量
1.
First an in-depth analysis is made of the principles of four-quadrant power measurement, by which the power is analyzed from the point of view of the vector to uniquely determine the true state of electric .
针对传统电力仪表测量的功率不能正确反映电能计量点真实功率状态的缺陷,提出一种用于电网信号功率测量与分析的四象限功率测量原理及实现方法。
2.
To exactly reflect the true power status at metering points of electric energy,the four-quadrant power measurement method is presented.
为有效、可靠地实现对被测信号的同步采样,提出了硬件同步辅以软件同步的信号同步采样方法;为正确反映电能计量点真实功率状态,提出了四象限功率测量方法;根据电能质量监测数据的特点,制定了CAN应用层协议和通信策略。
6) four-quadrant
四象限
1.
A novel four-quadrant cascade multi-level inverter topology is proposed.
提出一种可四象限运行的新型级联型多电平逆变器拓扑。
2.
The main specialities and functions of wide spectrum four-quadrant seamless detector UV-14BQ-4 produced by EG&G company are introduced.
介绍EG&G公司生产的宽谱段无缝四象限光电探测器UV-14BQ-4的主要特性和功能,给出UV-14BQ-4在激光束定位系统中的应用实例。
3.
Traditional four-quadrant cascade multi-level inverter (FCMI) that consisted of a few four-quadrant power cells needs so many sensors and filter inductors that makes the system volume and cost increase remarkably.
传统四象限级联型逆变器由多个四象限电压胞组成,需要大量电量传感器及滤波电感,造成系统体积和成本显著增加。
补充资料：无功
1.没有功劳。 2.没有收获﹑成效。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条