Industrial Machines Dataset for Electrical Load Disagreggation
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This dataset contains heavy-machinery data from the Brazilian industrial sector. The data was collected in a poultry feed factory located in the state of Minas Gerais, Brazil. Its process can be summarized to creating pellets of ration for poultry from corn or soybeans and added nutrients. The factory produces at fullscale over the entire year, thus it has well-behaved usage patterns at any time. It operates from Mondays through Fridays (and occasionally on Saturdays, in case production is below the monthly target) on a daily three-turn shift from 10:00 PM to 05:00 PM. From 05:00 PM to 10:00 PM electricity prices are higher, so the factory is closed. The site meter collects data at the factory electrical substation from the main medium voltage/low voltage transformer (MV/LV), which transforms 13.4 kV to 380 V. The factory has four different LVDBs after the MV/LV. One (1) for lights and administration-related appliances, the second (2) for pelletizing-related machinery, the third (3) for milling-related machinery and the last one (4) for general production-related machinery. Eleven GreenAnt energy meters were installed on the factory: one as a site meter and the other ten for groundtruth analysis. These meters sample data at 8 kSamples/sec internally, downsample the data to 1 Hz. Each package includes: RMS voltage, RMS current, active power, reactive power and apparent power. Samples were collected from 2017-12-11 18:43:52 UTC until 2018-04-01 21:33:17 UTC, which roughly corresponds to 111 days. Only one phase out of three was collected. We decided to do this as the factory is well balanced and would decrease the total amount of data stored by one third. There are three meters measuring distribution circuits: MV/LV transformer, LVDB-2 and LVDB-3. This means that, there are eight GreenAnt meters on the factory measuring appliances, which are: Pelletizer I (PI); Pelletizer II (PII); Double-pole Contactor I (DPCI); Double-pole Contactor II (DPCII); Exhaust Fan I (EFI); Exhaust Fan II (EFII); Milling Machine I (MI); and Milling Machine II (MII). All machines under LVDB-2 and LVDB-3 work at 380 V and 60 Hz. The factory As the factory is cyclically producing pellets at full power, each appliance can be modeled as a threestate machine (OFF, NO LOAD ON, FULL LOAD ON). The milling machines were the last machines to be measured. They were only measured over the last 12 days, which corresponds to roughly 10% of the time measurement intervals from other machines. FeaturesRMS VoltageRMS CurrentActive PowerReactive PowerApparent Power Appliances measuredPelletizer IPelletizer IIDouble-pole Contactor IDouble-pole Contactor IIExhaust Fan IExhaust Fan IIMilling Machine IMilling Machine II Circuits Measured:Main Medium Voltage/Low Voltage transformerPelletizers Sub-circuit (Low Voltage Distribution Board-2)Milling Machines Sub-circuit (Low Voltage Distribution Board-3)
本数据集包含来自巴西工业领域的重型机械数据。数据采集自巴西米纳斯吉拉斯州的一家家禽饲料工厂。该工厂的生产流程可概括为：以玉米或大豆为原料，添加营养成分后加工制作家禽饲料颗粒。工厂全年满负荷生产，因此任何时段的设备使用模式都具有良好的规律性。其运营时间为周一至周五（若当月生产未达目标，偶尔会在周六加班），采用每日三班倒制度，时段为当日22:00至次日17:00。由于当日17:00至22:00电价较高，工厂在此时段停工。 工厂变电站的主中压/低压（MV/LV）变压器（将13.4 kV转换为380 V）处安装了站点电表采集数据。该中压/低压变压器后设有四块低压配电盘（LVDB）：第一块（LVDB-1）用于照明及行政类用电设备；第二块（LVDB-2）用于制粒相关机械设备；第三块（LVDB-3）用于粉碎相关机械设备；第四块（LVDB-4）用于通用生产类机械设备。 工厂共安装了11台GreenAnt能源电表：1台作为站点电表，其余10台用于真值分析。这些电表内部以8 kSamples/sec的频率采集数据，随后下采样至1 Hz。每一组数据包包含：电压有效值（RMS Voltage）、电流有效值（RMS Current）、有功功率、无功功率及视在功率。 数据采集时段为2017年12月11日18:43:52 UTC至2018年4月1日21:33:17 UTC，总计约111天。由于工厂电力系统三相平衡，我们仅采集其中一相的数据，以将总存储数据量减少三分之一。 共有三块电表分别对应以下回路：中压/低压主变压器、制粒机子回路（低压配电盘-2）及粉碎机子回路（低压配电盘-3）。也就是说，工厂内共有8台GreenAnt电表用于监测用电设备，分别为：制粒机I（PI）、制粒机II（PII）、双极接触器I（DPCI）、双极接触器II（DPCII）、排风扇I（EFI）、排风扇II（EFII）、粉碎机I（MI）及粉碎机II（MII）。LVDB-2及LVDB-3下的所有设备均工作在380 V、60 Hz工况下。 由于工厂以满功率周期性生产饲料颗粒，每台设备均可建模为三态机器（关机、空载运行、满载运行）。粉碎机是最晚完成测量的设备，其数据采集时长仅为最后12天，约占其他设备测量时长的10%。 采集的特征包括：电压有效值、电流有效值、有功功率、无功功率、视在功率。 被测用电设备：制粒机I、制粒机II、双极接触器I、双极接触器II、排风扇I、排风扇II、粉碎机I、粉碎机II。 被测回路：主中压/低压变压器、制粒机子回路（低压配电盘-2）、粉碎机子回路（低压配电盘-3）。
