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Electrical energy metering: Some challenges of the European Directive on Measuring Instruments (MID)

机译:电能计量:欧洲测量仪器指令(MID)的一些挑战

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摘要

The introduction of static electric energy meter together with voltage and current distortions in the electric networks are revolutionizing the measurement of the electrical energy. Several questions and studies are proposed in the scientific literature concerning with metrological and reliability aspects of the actual electrical energy measurement. The European Directive on Measuring Instruments (MID) represents a different spin on setting the performance and safety requirements for those meters. The International Organization of Legal Metrology (OIML) has published the document D11 discussing recommendations for legislation to meet the MID. An OIML technical committee is drafting the recommendation (IR46) that would give regulatory bodies an easily-adoptable set of requirements and tests to meet the requirements of the MID. With the introduction of the MID directive, the actual discussion involves aspects as the metrological characterization of the meters. The paper proposes an analysis of the test settings imposed by the actual MID-harmonized standards, regarding the electric energy metering. The aim is to check the presence of degree of freedom in the test settings that could compromise both result reliability and the complianceon-compliance of a given apparatus.
机译:静态电能表的引入以及电网中的电压和电流畸变正在彻底改变电能的测量方法。在科学文献中提出了一些有关实际电能测量的计量和可靠性方面的问题和研究。欧洲测量仪器指令(MID)代表了对这些仪表的性能和安全要求进行设置的另一种方式。国际法律计量组织(OIML)已发布文件D11,其中讨论了满足MID的立法建议。 OIML技术委员会正在起草建议(IR46),该建议将为监管机构提供一组易于采用的要求和测试,以符合MID的要求。随着MID指令的引入,实际的讨论涉及到电表的计量特性。本文提出了有关电能计量的实际MID协调标准所施加的测试设置的分析。目的是检查测试设置中是否存在自由度,该自由度可能会损害结果可靠性和给定设备的合规性/不合规性。

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