you can take refference of this paper https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjptKfFytjxAhWL73MBHbzoAP8QFjABegQIBBAD&url=https%3A%2F%2Fpeer.asee.org%2Fdesign-and-implementation-of-an-experiment-setup-on-solar-electricity.pdf&usg=AOvVaw2lPF2n8lkYp-F3Xo5gfFZk