白色电价用电量表及电价向居民迁移的可行性研究

Alan Felipe Do Prado Pietrovski, Sérgio Luiz Alves Júnior
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摘要

在2019年底之前,只有月平均用电量超过250千瓦时的消费者才能加入巴西的白色关税,然而,自2020年1月1日起,巴西不再需要最低消费限制。这种方式根据使用时间范围有不同的电价值,如果消费者只在非高峰时段使用能源服务,则可在月底节省高达14.17%的电费,由于这种可能的经济效益,预计客户数量会增加。然而,人们通常会质疑是否值得迁移,这取决于每个消费概况,因为如果消费者只在高峰时段消费能源,这种方式也可以使每月账单的价值增加高达82.14%,比较Copel在2019年6月应用的关税值。以典型的住宅能源消耗情况为例,在月底,白色电费平均比传统电费贵1.20%左右。然后,为白色关税开发了一个电能表,其主要目的是在一个时期结束时,在住宅中使用白色关税或传统关税,哪种方法在经济上更有利。该仪表是基于集成电路ADE7753开发的,它可以进行多种测量,其中包括有功功率。ESP82266 NodeMCU还用于与IC通信,执行必要的计算,并将数据发送到物联网ThingSpeak平台,在那里可以远程监控结果。该仪表的开发是为了在127 V单相电压的家庭中进行分析,并基于pzm -022仪表进行校准。电表除测量有功功率外,用于计算用电量时,还测量功率因数。该住宅的电表亮了7天,居民保持了日常的消费习惯。在这一时期结束时,结果是白色关税的价值比传统关税的价值高出约0.81%,这表明对于这个住宅单位来说,迁移在经济上是不值得的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electricity consumption meter for the White Tariff and feasibility study of tariff migration to residence
Until the end of 2019, only consumers who had a monthly average above 250 kWh/- month could join the White Tariff in Brazil, however, since January 1, 2020, there is no minimum consumption limitation required. This modality has different tariff values according to the consumption time range, which can bring savings of up to 14.17% in the electric bill at the end of the month if the consumer uses the energy service only during off-peak hours, and due to this possible economy, an increase in the number of customers is expected. However, it is common to question whether it is worth migrating, which depends on each consumption profile, since this modality can also increase the value of the monthly bill by up to 82.14%, if the consumer consumes energy only at peak hours, comparing the tariff values applied by Copel in June 2019. Using a typical residential energy consumption profile, the average is that the White Tariff is around 1.20% more expensive than the Conventional Tariff at the end of the month. Then, an electric energy meter was developed for the White Tariff, whose main objective is to indicate, at the end of a period, which method is more economically advantageous, the White Tariff or the Conventional Tariff, in a residence. The meter was developed based on the IC ADE7753, in which it performs several measurements, among them the active power. ESP82266 NodeMCU was also used to communicate with the IC, carry out the necessary calculations, and send the data to the IoT ThingSpeak platform, where it is possible to remotely monitor the results. The meter was developed to perform the analysis in a home serviced by a single-phase voltage of 127 V, where it was calibrated based on the PZEM-022 meter. In addition to the meter measuring active power, for the calculation of consumption, it also measures the power factor. The meter was on for 7 days in this residence, where residents maintained their common consumption routines. At the end of this period, the result was that the value of the White Tariff was about 0.81% above the value of the Conventional Tariff, indicating that for this residential unit, the migration is not economically worthwhile.
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