Similarly , current source inverters ( CSIs ) are distinct in that the controlled AC output is a current waveform .
Voltage source inverters ( VSIs ) are named so because the independently controlled output is a voltage waveform .
Current source inverters ( CSIs ) are distinct in that the controlled AC output is a current waveform .
Voltage source inverters ( VSIs ) are named so because the independently controlled output is a voltage waveform .