Principles of Inverter Circuits

a-c line voltage a-c system AIEE anode anode current applications approximately assumed average basic C₁ capacitance capacitor voltage Chapter circuit of Figure commutating circuit commutating interval conduction interval controlled rectifier d-c current d-c source d-c supply voltage d-c voltage d(wt device diode E₁ ea-b electric electrons energy equation feedback rectifier firing angle flow forward voltage frequency fundamental component gate germanium half-cycle harmonic voltage increased inductive load input inverse voltage inverter circuit inverter operating junction K₁ L-C filter load current load voltage magnitude maximum minority carriers motor n-p-n transistor negative oscillator p-n junction parallel inverter phase displacement power factor pulse reactance rectifying elements region regulation resonant reverse saturable reactor SCR's SCR1 SCR2 semiconductor shown in Figure silicon-controlled rectifier single-phase sinusoidal square wave switching t₁ three-phase transformer transistor turn-off unijunction transistor valence band valves voltage control waveforms waveshapes zero