Cummins Generator Technologies offers Three Phase Sensing Unit Self Excited Automatic Voltage Regulator, AS440. Cummins Generator Technologies produces AVR generators. These Self Excited Automatic Voltage Regulators are available with voltage regulation of plus/minus 1.0 percent. A current transformer is provided with these regulators in order to offer quadrature voltage. A power factor controller can be fitted for parallel operations with the mains utility. Three phase sensing unit Self Excited Automatic Voltage Regulator will also work with an auxiliary winding to support a short circuit.
