*3.2.1.1 Measurement device design*

The development of the IoT sensor for three-phase measurement consists of the devices mentioned in **Table 1**, and it is corresponding to the hardware section. **Figure 1** shows initially a 3D model of the IoT sensor design with the devices that


#### **Table 1.**

*Technical references of the measurement module.*


## **Table 2.**

*Modbus RTU to TCP/IP converter technical references.*


#### **Table 3.**

*Microcontroller technical references.*

#### **Figure 1.**

*3D modeling of the IoT sensor design and corresponding low-voltage installation. Source: prepared by the authors.*

integrate it and its installation in lowvoltage. Finally, **Figure 2** shows a functional IoT device in a distribution board, connected to the current transformers of each phase through polyvinyl chloride cables (PVC) [19, 20].

*Management Methods of Energy Consumption Parameters Using IoT and Big Data DOI: http://dx.doi.org/10.5772/intechopen.105522*

#### **Figure 2.**

*Physical and functional design of the IoT sensor in a distribution board. Source: prepared by the authors.*
