计量系统的主要任务是可靠地从表计从获得、并向表计输出信息，例如正在使用的电量、时间以及价格的信息。
The main task of a metering system is to get information reliably into and out of meters-for example, how much power is being used, when and at what price.
本文给出了一种电能计量装置现场校验的方法，通过对三相电能表无功计量误差的校验，可以间接地求得其表计的有功计量误差。
TA field calibration method for power metering device is given. By calibrating the error of the reactive power metering, the error of active power metering can be indirectly calibrated.
对柜中水平(垂直)母线及其连接系统、功能隔室及表计测控室、通风散热系统分别进行了阐述，并采取措施加强柜体结构强度。
The level (upright) bus and its connection system, functional compartment and meter measure cell, ventilation system in the mix unit were expounded respectively.
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