Alternating Large Current Intellectual Multi-funct 智能型多功能大额交流电流表的设计
It was analyzed why the tolerance of the measurement unit of alternating current for high-power silicon rectification being large. Some concrete improvement measures on it was given.
分析了造成大功率硅整流交流电能计量装置计量误差大的原因，介绍了具体的改造内容。
The actual data show that the tidal current is of typical alternating current with obvious asymmetry and large vertical variations.
实际观测资料表明，这一带潮流具有典型的往复流性质，并有较明显的不对称性和较大的垂直变化。
On the basis of stator hollow conductor layer building in large electric machines, the paper deduces numerical formula for calculating conductor alternating current resistance.
本文在大电机定子空心导体分层的基础上，推导了导体交流电阻的数值计算公式。
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