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Design and Development of Industrial Energy Measurement Error Compensation Unit

机译：工业能量测量误差补偿单元的设计与开发

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摘要

Industrial Energy Measurement System (IEMS) used for measurement of electrical energy consumed by high-tension industrial consumers. It consists of three current transformers (CTs) and three potential transformers (PTs). Cost of IEMS increases with improvement in its accuracy class. The contribution of this article is that, it adduces design and development of high accuracy class and cost-effective IEMS. To accomplish this, a novel Industrial Energy Measurement-Error Compensation Unit (IEM-ECU) is proposed. To realize this, first, the three different accuracy classes, viz. 0.2, 0.5, and 1.0 IEMS are fabricated in the laboratory. Characteristics of every CT and PT are determined. Second, the proposed error correction algorithm is implemented in real time to improve errors of IEMS. Finally, the experimental results are depicted in Lab VIEW for mixed class of CTs and PTs. Various experimental tests have been performed and results are validated by comparing the results obtained from digital storage oscilloscope. These results clearly illustrate that the proposed IEM-ECU not only convert lower accuracy class IEMS to higher accuracy class but it also gives flexibility to use available class of CTs and/or PTs, if required under contingency. Thereby, considerable cost savings can be achieved as the performance of lower accuracy class matches with the higher accuracy class.
机译：工业能量测量系统（IEM）用于测量高压工业消费者消耗的电能。它由三个电流变压器（CTS）和三个电位变压器（PTS）组成。 IEM的成本随着其准确性课程的提高而增加。这篇文章的贡献是，它可以扩展高精度类和具有成本效益的IEM的设计和开发。为实现这一点，提出了一种新颖的工业能量测量误差补偿单元（IEM-ECU）。要实现这一点，首先，三个不同的精度类，viz。在实验室中制造0.2,0.5和1.0 IEM。确定每个CT和PT的特征。其次，建议的纠错算法实时实现以改善IEM的错误。最后，实验结果在实验室视图中描绘了用于CTS和PTS的混合类别。已经进行了各种实验测试，通过比较从数字存储示波器获得的结果来验证结果。这些结果清楚地说明了所提出的IEM-ECU不仅将较低的精度等级IEM转换为更高的精度等级，而且如果需要，它还可以灵活地使用可用的可用CTS和/或PTS，如果需要。因此，可以实现相当大的成本节省作为与更高的精度等级的低精度类比赛的性能。

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