The proposal adds intermediate voltages to the common design .
A proposal suggested in Power Electronics magazine utilizes two voltages as an improvement over the common commercialized technology , which can only apply DC bus voltage in either direction or turn it off .
The proposal adds intermediate voltages to the common design .
A proposal suggested in Power Electronics magazine utilizes two voltages as an improvement over the common commercialized technology , which can only apply DC bus voltage in either direction or turn it off .