The programmable automatic controller for the Sub-Harmonic Generator/RTV41 system (TN-EL-3)

The 50 KVA Sub-Harmonic Generator is capable of generating three phase 10, 12, 14, 17, 21, 30 and 50 Hz from a 440 volt, 50 Hz three phase supply. At each of the above output frequencies, the voltage may be varied either by phase control or inhibit control. Prior...