We are doing a project called Digital Control of Grid-Connected Converters

We are doing a project called Digital Control of Grid-Connected Converters. My part of this project about the grid Synchronization.

 

 

I have couple questions if you can write like 2 pages about the answer of these questions ?

 

grid Synchronization is AC not DC.

How do you achieve grid Synchronization? Essay question

 

How to calculate the phase ?calcu

 

How to calculate grid voltage ?calcu

By using these equations ,i wants to know how to use these three functions

 

wg=2 pi fq

 

 

 

 

 

 

 

 

 

 

Phase locked loop ? essay question