自适应陷波器在非线性负荷电能计量中的应用 关键词：非线性负荷；电能计量；自适应陷波器；LMS算法 [gap=770]Key words：nonlinear load，power energy measurement，adaptive notch filter，LMS arithmetic
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A power energy measurement and long distance meter-copy system is introduced according to the features of the temporary transformer station in oil field.
文章根据油田可移动临时变电所的特点，介绍了其电能计量远方抄表系统。
They are the cavity radiometer and the water flow power meter for laser power measurement, the cone calorimeter and the volume-absorbing calorimeter for laser energy measurement.
有测量激光功率的空腔型辐射计和流水式功率计、测量激光能量的锥型能量计和体吸收型能量计。
The importance of reactive energy measurement was introduced and the principle of reactive power measurement was analyzed.
介绍了电力系统无功电能计量的重要性，并分析了无功功率的计量原理。
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