# Expert Opinions on the Intranet-Based Security System in Industrial Electrical Switchboards
## 2 Analysis of the Traditional System and Presenting New Methods
### Electrical Switchboard Control System Using Intranet Sensors Technology  
The authors studied relevant research and questionnaires on the experiences of system engineers, electrical engineers, and systems designers. Numerous experiences from experts in electrical safety inspections were taken into account. The conclusion of questionnaire results indicates that an application of an intranet sensors system can control various electrical equipment effectively. It can control an electrical system in smart homes, a remote traffic light system, a facility anti-theft system, as well as an industrial electrical power control system. This example inspired the authors to take advantage of the intranet-based technology that can be applied to control the electrical system in the switchboard through an internet connection, as shown in Figure 3.  
Figure 3: A display of an intranet sensors system installment in various electrical switchboard settings.  
Figure 2: A display of electrical equipment damage caused by a short circuit: (**a**) a short circuit resulting in fire; (**b**) fire damage in equipment of a thunderstorm lightning protection system; (**c**) damages on the editing equipment caused by fire.  
Figure 3 shows the installments of the intranet sensors system in various electrical switchboard settings, while Figure 4 presents its architecture framework and installation in an electric structure. After being installed, electronic devices linked to communicate with each other through local intranet networks will yield the system the following benefits: First, it enables the control and connectivity of various electronic devices through the local intranet when the temperature is over a certain level. Second, the system can measure and report the humidity level inside the switchboard to prevent having a relative humidity level higher than the specified standard. Third, it can detect the amount of smoke to prevent a fire initiation within the electrical switchboard. Additionally, it includes an automatic alarm system to the fire extinguisher to put out the fire automatically. Fourth, it can detect the movement of objects or persons to notify the operator about the events. Fifth, it can record the numbers of lightning strikes from thunderstorms and make plans to purchase additional safety equipment in a timely manner. Sixth, it can analyze electricity consumption simultaneously with a digital electric meter and be able to record voltages, electric power, and electrical units to display different forms of electrical energy usage. Seventh, and lastly, it can remotely control the electrical connecting to the internet with connected devices such as smartphones and laptops. Unlike semiconductor chips in the past that electronic devices can only transmit and display information, this innovative system can monitor and report the status of the electrical switchboard system and measure the temperature of a device with the highest electrical current flow. As soon as the equipment junction point is at risk, alarms can be signaled in the real-time operating system through the operator's smart devices such as smartphones, laptops, and desktop stations. The reported results of electric switchboard alarms are displayed in Figure 5.  
Figure 4: Display of the intranet sensors system architecture and installation in an electrical structure.