Further AC Charging Systems Topics covered in this presentation: Stator Voltage Rectification Rotor Field Excitation Stator Voltage Regulation next
Single Phase Rectification Rectifier diodes (4) Output from AC source D4 D1 2 diodes conduct D3 D2 2 diodes conduct Battery 180 360 Completely rectified waveform next
Three Phase Rectification Bar magnet (rotor) Stator Rectifier diodes (6) Rectified stator output next
Field Excitation - Battery Ignition switch Field isolation relay A B Rotor Battery Stator Rectifier diodes next
Field Excitation - Self Charge warning lamp Ignition switch Stator Rotor Battery Rectifier diodes (6) Field diodes (3) next
Basic Voltage Regulating Circuit Rotor Battery Low/correct voltage level = T2 conducts, field current flows High voltage level = T1 conducts, T2 off, no field current flows next
Regulator Voltage Sensing Points Machine sensing connection at rotor (IND) Battery sensing connection Machine sensing connection at output (A+) Ignition switch O/P Solenoid Rotor Alternator Battery Regulating circuit next
Typical Alternator Circuit Charging lamp and ignition switch Rotor Rectifier Regulating circuit Solenoid Battery Stator Field diodes end