????? ?? ???? "??" ??? ????. ??? ?? ?? ?? ?? ???? ????.??? ????? ? ?? ?? ??? ????. ?? ???: ??? ??? ?? ??? ???? ????? ??, ??, ??, ???? ?? ???? ?? ??? ??? ? ????.Alternatively, HVDC is really a immediate latest whose voltage is often enhanced or reduced only using complex converters. These converters are certainly high priced. Even so, the DC voltage