Design of Intelligent Low-Voltage Load Switch for Remote Control System in Smart Grid
- PDF / 1,793,927 Bytes
- 11 Pages / 595.276 x 790.866 pts Page_size
- 19 Downloads / 216 Views
RESEARCH PAPER
Design of Intelligent Low-Voltage Load Switch for Remote Control System in Smart Grid Dezhi Xiong1 • Xiangqun Chen1 • Radek Martinek2 • He Wen3
•
Derong Luo3 • Janusz Smulko4
Received: 15 March 2020 / Accepted: 6 August 2020 Ó Shiraz University 2020
Abstract Current low-voltage load switches do not support remote disconnect/connect and real-time monitoring of a disconnect/connect state. Addressing to these issues, this paper presents a low-voltage load switch for a smart remote control system, which uses a one-chip microcontroller board and a DC step motor drive mechanism and provides the feedback on the switch status also. Arrears disconnect and full-pay connect control is implemented via the microcomputer and Hall sensor. The low-power supply and state feedback circuit are designed to reduce the power consumption. And the motor drive mechanism is optimized to improve the performance of motor. Finally, a test environment includes the system control and feedback is created to illustrate the feasibility of the designed low-voltage switch. The test results that the design supports disconnect/connect control and state feedback in various conditions validate the feasibility of this designed system, which has high practical value and is worthy of promotion. Keywords Low-voltage load switch Payment control State feedback Low-power consumption Hall sensor
1 Introduction & He Wen [email protected] Dezhi Xiong [email protected] Xiangqun Chen [email protected] Radek Martinek [email protected] Derong Luo [email protected] Janusz Smulko [email protected] 1
Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology, State Grid Hunan Electric Power Company Power Supply Service Center (Metrology Center), Changsha, China
2
Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava, Ostrava, Czechia
3
College of Electrical and Information Engineering, Hunan University, Changsha, China
4
Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, Gdan´sk, Poland
In smart grid, electric customers should know and control their electric costs through smart electricity meters, which is helpful for improving the electric system reliability and reducing the carbon emissions in the energy conservation (Chmielewski et al. 2016). The embedded switch is widely used in smart electricity meters for the control of the power supply (Aronstein and Lowry 2012; Franck 2011). The utilities can also use such an electricity meter with an embedded switch to ensure that customers will pay their electricity charges in a timely manner. Nowadays, the remote control and state detection of the embedded switch are very important because both electric customers and utilities would like to operate it by APPs. Moreover, the power consumption of the embedded switch is getting more and more attention because it affects the stability and safety. Thus, it is important to design an intelligent lowvoltage (220 V AC
Data Loading...
