Langlang Gumilar, Setyobudi Tri Utomo, Adira Syuara Hakiki, Ian Jack Permana
In this research discusses the stability of the transfer switch process in the automatic transfer switch between solar power plant and grid source. The ATS used is ATS with semiconductor switching components in this case using triac controlled by ESP 8266 microcontroller with opto isolator triac driver MOC 3063 which has been equipped with zero crossing circuit. From the ATS circuit that has been made, testing and stability analysis is carried out during the transfer switch process. Indicators of stability are seen from transient events, oscillations, and fluctuations. Tests were carried out using three different loads, namely resistive loads, inductive loads, and capacitive loads. Each type of load was tested 5 times grid source to solar power plant source and 5 times solar power plant source to grid source. The test results show that the switch transfer process runs quite well and is stable. No electrical instability events were found that could have a negative impact on the electricity system. There was only a slight increase in peak voltage in the first wave after switching. The increase is still relatively safe because the value does not exceed 5% in accordance with the general regulations for electrical installations 2000. In the transfer switch process, there is a momentary power outage because there is a delay set for 200ms. With this delay, the time lag between the death of the first source and the life of the second source ranges from 160ms to 180.5ms. © 2024 IEEE.
Universitas Negeri Malang, Department of Electrical Engineering and Informatic, Malang, Indonesia; Universitas Negeri Malang, Department of Power Plant Engineering Technology, Malang, Indonesia; Certification Center, PT. Pln (Persero), Jakarta, Indonesia
